[ntpsec commit] Reduce single entire inline licenses to their SPDX declarations.

Eric S. Raymond esr at ntpsec.org
Fri Oct 16 14:14:01 UTC 2015


Module:    ntpsec
Branch:    master
Commit:    e32530f674a4abed292767c6e5cdf91c032ff6b3
Changeset: http://git.ntpsec.org/ntpsec/commit/?id=e32530f674a4abed292767c6e5cdf91c032ff6b3

Author:    Eric S. Raymond <esr at thyrsus.com>
Date:      Fri Oct 16 10:13:47 2015 -0400

Reduce single entire inline licenses to their SPDX declarations.

Some code by Juergen Perlinger refers to the NTP copyright file.
I changed this to an SPDX declaration of the NTP license.

Unity code files contained this: "[Released under MIT License. Please
refer to license.txt for details]". I changed this to an SPDX declaration
of the MIT license.

I did *not* attempt to reduce or tagify other nonstandard license
inclusions, or licenses in files marked "generated", or any license in
a file with more than one license. These will take a separate pass
with some judgment calls.

I also removed some RCS debris.

---

 include/ascii.h                              | 27 ++---------------
 include/binio.h                              | 27 ++---------------
 include/ieee754io.h                          | 27 ++---------------
 include/interfaceiter.h                      | 15 ++--------
 include/isc/mem.h                            | 20 ++-----------
 include/mbg_gps166.h                         | 27 ++---------------
 include/ntp_debug.h                          |  2 ++
 include/ntp_filegen.h                        |  3 --
 include/ntp_prio_q.h                         |  2 ++
 include/ntpsim.h                             |  2 ++
 include/parse.h                              | 34 ++-------------------
 include/parse_conf.h                         | 34 ++-------------------
 include/timespecops.h                        |  4 ++-
 include/timetoa.h                            |  6 ++--
 include/timevalops.h                         |  6 ++--
 include/trimble.h                            | 27 ++---------------
 include/vint64ops.h                          |  6 ++--
 lib/isc/assertions.c                         | 16 ++--------
 lib/isc/backtrace-emptytbl.c                 | 16 ++--------
 lib/isc/backtrace.c                          | 16 ++--------
 lib/isc/error.c                              | 16 ++--------
 lib/isc/include/isc/assertions.h             | 14 ++-------
 lib/isc/include/isc/backtrace.h              | 22 +++-----------
 lib/isc/include/isc/error.h                  | 14 ++-------
 lib/isc/include/isc/formatcheck.h            | 14 ++-------
 lib/isc/include/isc/hash.h                   | 16 ++--------
 lib/isc/include/isc/interfaceiter.h          | 14 ++-------
 lib/isc/include/isc/lang.h                   | 14 ++-------
 lib/isc/include/isc/lib.h                    | 14 ++-------
 lib/isc/include/isc/list.h                   | 14 ++-------
 lib/isc/include/isc/log.h                    | 14 ++-------
 lib/isc/include/isc/magic.h                  | 14 ++-------
 lib/isc/include/isc/md5.h                    | 24 ++++-----------
 lib/isc/include/isc/namespace.h              | 14 ++-------
 lib/isc/include/isc/netaddr.h                | 14 ++-------
 lib/isc/include/isc/once.h                   | 14 ++-------
 lib/isc/include/isc/os.h                     | 14 ++-------
 lib/isc/include/isc/platform.h               | 15 ++--------
 lib/isc/include/isc/platform.h.in            | 16 ++--------
 lib/isc/include/isc/random.h                 | 14 ++-------
 lib/isc/include/isc/result.h                 | 14 ++-------
 lib/isc/include/isc/resultclass.h            | 14 ++-------
 lib/isc/include/isc/sha1.h                   | 14 ++-------
 lib/isc/include/isc/sockaddr.h               | 14 ++-------
 lib/isc/include/isc/types.h                  | 14 ++-------
 lib/isc/include/isc/util.h                   | 14 ++-------
 lib/isc/include/isc/version.h                | 16 ++--------
 lib/isc/inet_aton.c                          | 14 ++-------
 lib/isc/log.c                                | 16 ++--------
 lib/isc/md5.c                                | 24 ++++-----------
 lib/isc/netaddr.c                            | 14 ++-------
 lib/isc/random.c                             | 16 ++--------
 lib/isc/result.c                             | 14 ++-------
 lib/isc/sha1.c                               | 19 ++----------
 lib/isc/sockaddr.c                           | 16 ++--------
 lib/isc/unix/errno2result.c                  | 16 ++--------
 lib/isc/unix/errno2result.h                  | 16 ++--------
 lib/isc/unix/ifiter_getifaddrs.c             | 16 ++--------
 lib/isc/unix/ifiter_ioctl.c                  | 14 ++-------
 lib/isc/unix/ifiter_sysctl.c                 | 16 ++--------
 lib/isc/unix/include/isc/int.h               | 14 ++-------
 lib/isc/unix/include/isc/net.h               | 14 ++-------
 lib/isc/unix/include/isc/netdb.h             | 14 ++-------
 lib/isc/unix/include/isc/syslog.h            | 14 ++-------
 lib/isc/unix/include/isc/time.h              | 14 ++-------
 lib/isc/unix/interfaceiter.c                 | 16 ++--------
 lib/isc/unix/net.c                           | 16 ++--------
 lib/isc/unix/time.c                          | 13 ++------
 lib/isc/version.c                            | 16 ++--------
 lib/isc/win32/DLLMain.c                      | 16 ++--------
 lib/isc/win32/errno2result.c                 | 16 ++--------
 lib/isc/win32/errno2result.h                 | 16 ++--------
 lib/isc/win32/include/isc/bind_registry.h    | 13 +-------
 lib/isc/win32/include/isc/bindevt.h          | 14 ++-------
 lib/isc/win32/include/isc/int.h              | 14 ++-------
 lib/isc/win32/include/isc/ipv6.h             | 14 ++-------
 lib/isc/win32/include/isc/net.h              | 13 +-------
 lib/isc/win32/include/isc/netdb.h            | 13 +-------
 lib/isc/win32/include/isc/ntgroups.h         | 13 +-------
 lib/isc/win32/include/isc/ntpaths.h          | 14 ++-------
 lib/isc/win32/include/isc/offset.h           | 14 ++-------
 lib/isc/win32/include/isc/once.h             | 14 ++-------
 lib/isc/win32/include/isc/platform.h         | 13 +-------
 lib/isc/win32/include/isc/syslog.h           | 13 +-------
 lib/isc/win32/include/isc/time.h             | 14 ++-------
 lib/isc/win32/include/isc/win32os.h          | 14 ++-------
 lib/isc/win32/interfaceiter.c                | 15 +---------
 lib/isc/win32/net.c                          | 16 ++--------
 lib/isc/win32/netdb.h                        | 16 ++--------
 lib/isc/win32/ntgroups.c                     | 24 ++++-----------
 lib/isc/win32/ntpaths.c                      | 24 ++++-----------
 lib/isc/win32/once.c                         | 16 ++--------
 lib/isc/win32/syslog.h                       | 14 ++-------
 lib/isc/win32/time.c                         | 16 ++--------
 lib/isc/win32/version.c                      | 14 +--------
 lib/isc/win32/win32os.c                      | 16 +---------
 libntp/mktime.c                              | 35 ++--------------------
 libntp/ntp_calendar.c                        |  5 ++--
 libntp/ntp_random.c                          | 31 ++-----------------
 libntp/strl_obsd.c                           | 29 ++----------------
 libntp/timetoa.c                             |  6 ++--
 libntp/timevalops.c                          |  5 ++--
 libntp/vint64ops.c                           |  3 +-
 libparse/binio.c                             | 27 ++---------------
 libparse/clk_computime.c                     | 36 +++-------------------
 libparse/clk_dcf7000.c                       | 34 ++-------------------
 libparse/clk_meinberg.c                      | 34 ++-------------------
 libparse/clk_rawdcf.c                        | 34 ++-------------------
 libparse/clk_schmid.c                        | 30 ++-----------------
 libparse/clk_trimtaip.c                      | 34 ++-------------------
 libparse/clk_trimtsip.c                      | 32 ++------------------
 libparse/clk_varitext.c                      | 35 ++--------------------
 libparse/data_mbg.c                          | 27 ++---------------
 libparse/gpstolfp.c                          | 29 ++----------------
 libparse/ieee754io.c                         | 27 ++---------------
 libparse/mfp_mul.c                           | 27 ++---------------
 libparse/parse.c                             | 33 ++------------------
 libparse/parse_conf.c                        | 30 ++-----------------
 libparse/trim_info.c                         | 30 ++-----------------
 ntpd/ntp_config.c                            |  4 ++-
 ntpd/ntp_filegen.c                           |  2 --
 ntpd/ntp_leapsec.c                           |  7 +++--
 ntpd/ntp_leapsec.h                           |  7 +++--
 ntpd/ntp_parser.y                            |  2 ++
 ntpd/ntp_prio_q.c                            |  2 ++
 ntpd/ntp_scanner.c                           |  2 ++
 ntpd/ntp_scanner.h                           |  2 ++
 ntpd/ntpsim.c                                |  2 ++
 ntpd/refclock_gpsdjson.c                     |  6 ++--
 ntpd/refclock_jupiter.c                      | 30 ++-----------------
 ntpd/refclock_mx4200.c                       | 34 ++-------------------
 ntpd/refclock_palisade.c                     | 45 +++++-----------------------
 ntpd/refclock_palisade.h                     | 42 +++++---------------------
 ntpd/refclock_parse.c                        | 30 ++-----------------
 ntpd/refclock_tsyncpci.c                     |  4 +--
 ntpfrob/main.c                               |  2 +-
 ports/winnt/include/hopf_PCI_io.h            |  2 ++
 ports/winnt/include/ntservice.h              | 15 ++--------
 ports/winnt/include/stdint.h                 |  5 ++--
 ports/winnt/include/syslog.h                 | 15 ++--------
 ports/winnt/libntp/arc4wrap.c                |  5 ++--
 ports/winnt/libntp/syslog.c                  | 17 ++---------
 ports/winnt/ntpd/hopf_PCI_io.c               |  2 ++
 ports/winnt/ntpd/ntp_iocompletionport.c      |  2 +-
 ports/winnt/ntpd/ntservice.c                 | 14 ++-------
 scripts/ntpsweep/ntpsweep.in                 |  2 --
 scripts/plot_summary                         | 16 ++--------
 scripts/summary                              | 13 +-------
 tests/libntp/timestructs.cpp                 |  5 ++--
 tests/libntp/timestructs.h                   |  6 ++--
 tests/unity/unity.c                          |  2 +-
 tests/unity/unity.h                          |  2 +-
 tests/unity/unity_fixture.c                  |  2 +-
 tests/unity/unity_fixture.h                  |  2 +-
 tests/unity/unity_fixture_internals.h        |  2 +-
 tests/unity/unity_fixture_malloc_overrides.h |  2 +-
 tests/unity/unity_internals.h                |  2 +-
 157 files changed, 357 insertions(+), 2085 deletions(-)

diff --git a/include/ascii.h b/include/ascii.h
index 011eef3..ce6cd80 100644
--- a/include/ascii.h
+++ b/include/ascii.h
@@ -2,31 +2,8 @@
  * Created: Sun Jul 20 11:42:53 1997
  *
  * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-clause
  */
 #ifndef GUARD_ASCII_H
 #define GUARD_ASCII_H
diff --git a/include/binio.h b/include/binio.h
index 3a0c2f4..c0f7c28 100644
--- a/include/binio.h
+++ b/include/binio.h
@@ -2,31 +2,8 @@
  * Created: Sun Jul 20 13:03:05 1997
  *
  * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-clause
  */
 #ifndef GUARD_BINIO_H
 #define GUARD_BINIO_H
diff --git a/include/ieee754io.h b/include/ieee754io.h
index f4d9481..8f0f3b6 100644
--- a/include/ieee754io.h
+++ b/include/ieee754io.h
@@ -2,31 +2,8 @@
  * Created: Sun Jul 13 12:22:11 1997
  *
  * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-clause
  */
 #ifndef GUARD_IEEE754IO_H
 #define GUARD_IEEE754IO_H
diff --git a/include/interfaceiter.h b/include/interfaceiter.h
index 44277dc..d97797d 100644
--- a/include/interfaceiter.h
+++ b/include/interfaceiter.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
- * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_INTERFACEITER_H
diff --git a/include/isc/mem.h b/include/isc/mem.h
index e762036..2857594 100644
--- a/include/isc/mem.h
+++ b/include/isc/mem.h
@@ -7,27 +7,11 @@
  *
  * NOTE: this assumes the system malloc is thread-safe and does
  *	 not use any normal lib/isc locking.
- */
-
-/*
- * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 1997-2001  Internet Software Consortium.
  *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: mem.h,v 1.78.120.3 2009/02/11 03:07:01 jinmei Exp $ */
-
 #ifndef GUARD_ISC_MEM_H
 #define GUARD_ISC_MEM_H
 
diff --git a/include/mbg_gps166.h b/include/mbg_gps166.h
index df3b979..0fe959f 100644
--- a/include/mbg_gps166.h
+++ b/include/mbg_gps166.h
@@ -2,34 +2,11 @@
  * Created: Sun Jul 20 09:20:50 1997
  *
  * File GPSSERIO.H Copyright (c) by Meinberg Funkuhren (www.meinberg.de)
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-clause
  *
  * Linkage to PARSE:
  * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
  */
 #ifndef GUARD_MBG_GPS166_H
 #define GUARD_MBG_GPS166_H
diff --git a/include/ntp_debug.h b/include/ntp_debug.h
index 764b300..4c3c948 100644
--- a/include/ntp_debug.h
+++ b/include/ntp_debug.h
@@ -2,6 +2,8 @@
  * Created: Sat Aug 20 14:23:01 2005
  *
  * Copyright (C) 2005 by Frank Kardel
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-clause
  */
 #ifndef GUARD_NTP_DEBUG_H
 #define GUARD_NTP_DEBUG_H
diff --git a/include/ntp_filegen.h b/include/ntp_filegen.h
index 750545c..6a2cfd7 100644
--- a/include/ntp_filegen.h
+++ b/include/ntp_filegen.h
@@ -1,9 +1,6 @@
 /*
- * ntp_filegen.h,v 3.9 1996/12/01 16:02:45 kardel Exp
- *
  * definitions for NTP file generations support
  *
- *
  * Copyright (C) 1992, 1996 by Rainer Pruy
  * Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
  *
diff --git a/include/ntp_prio_q.h b/include/ntp_prio_q.h
index 17d01a4..473484a 100644
--- a/include/ntp_prio_q.h
+++ b/include/ntp_prio_q.h
@@ -7,6 +7,8 @@
  *		University of Delaware
  *		Newark, DE 19711
  * Copyright (c) 2006
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-clause
  */
 
 #ifndef GUARD_NTP_PRIO_Q_H
diff --git a/include/ntpsim.h b/include/ntpsim.h
index 7ecc5b9..3937611 100644
--- a/include/ntpsim.h
+++ b/include/ntpsim.h
@@ -6,6 +6,8 @@
  *		University of Delaware
  *		Newark, DE 19711
  * Copyright (c) 2006
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-clause
  */
 
 #ifndef GUARD_NTPSIM_H
diff --git a/include/parse.h b/include/parse.h
index 4470345..ba2bd0e 100644
--- a/include/parse.h
+++ b/include/parse.h
@@ -1,35 +1,7 @@
 /*
- * /src/NTP/REPOSITORY/ntp4-dev/include/parse.h,v 4.12 2007/01/14 08:36:03 kardel RELEASE_20070114_A
- *
- * parse.h,v 4.12 2007/01/14 08:36:03 kardel RELEASE_20070114_A
- *
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-clause
  */
 
 #ifndef GUARD__PARSE_H
diff --git a/include/parse_conf.h b/include/parse_conf.h
index 4aecf01..65e840d 100644
--- a/include/parse_conf.h
+++ b/include/parse_conf.h
@@ -1,35 +1,7 @@
 /*
- * /src/NTP/ntp4-dev/include/parse_conf.h,v 4.7 2005/06/25 10:58:45 kardel RELEASE_20050625_A
- *
- * parse_conf.h,v 4.7 2005/06/25 10:58:45 kardel RELEASE_20050625_A
- *
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-clause
  */
 
 #ifndef GUARD_PARSE_CONF_H
diff --git a/include/timespecops.h b/include/timespecops.h
index f873ae5..08a8fec 100644
--- a/include/timespecops.h
+++ b/include/timespecops.h
@@ -2,7 +2,6 @@
  * timespecops.h -- calculations on 'struct timespec' values
  *
  * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
  *
  * Rationale
  * ---------
@@ -34,6 +33,9 @@
  *
  * Input and output operands may overlap; all input is consumed before
  * the output is written to.
+ *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 #ifndef GUARD_TIMESPECOPS_H
 #define GUARD_TIMESPECOPS_H
diff --git a/include/timetoa.h b/include/timetoa.h
index 4344755..7e37908 100644
--- a/include/timetoa.h
+++ b/include/timetoa.h
@@ -1,8 +1,7 @@
 /*
  * timetoa.h -- time_t related string formatting
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
  *
  * Printing a 'time_t' has some portability pitfalls, due to it's opaque
  * base type. The only requirement imposed by the standard is that it
@@ -18,6 +17,9 @@
  * As the printf() family has no standardised type specifier for time_t,
  * guessing the right output format specifier is a bit troublesome and
  * best done with the help of the preprocessor and "config.h".
+ *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 #ifndef GUARD_TIMETOA_H
 #define GUARD_TIMETOA_H
diff --git a/include/timevalops.h b/include/timevalops.h
index 68b66cf..c160280 100644
--- a/include/timevalops.h
+++ b/include/timevalops.h
@@ -1,11 +1,13 @@
 /*
  * timevalops.h -- calculations on 'struct timeval' values
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
  *
  * For a rationale look at 'timespecops.h'; we do the same here, but the
  * normalisation keeps the microseconds in [0 .. 10^6[, of course.
+ *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 #ifndef GUARD_TIMEVALOPS_H
 #define GUARD_TIMEVALOPS_H
diff --git a/include/trimble.h b/include/trimble.h
index 41af190..f3d73ba 100644
--- a/include/trimble.h
+++ b/include/trimble.h
@@ -2,31 +2,8 @@
  * Created: Sun Aug  2 16:16:49 1998
  *
  * Copyright (c) 1998-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-clause
  */
 #ifndef GUARD_TRIMBLE_H
 #define GUARD_TRIMBLE_H
diff --git a/include/vint64ops.h b/include/vint64ops.h
index 458231b..80a67ad 100644
--- a/include/vint64ops.h
+++ b/include/vint64ops.h
@@ -1,10 +1,12 @@
 /*
  * vint64ops.h - operations on 'vint64' values
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project. 
  * ----------------------------------------------------------------------
  * This is an attempt to get the vint64 calculations stuff centralised.
+ *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 #ifndef GUARD_VINT64OPS_H
 #define GUARD_VINT64OPS_H
diff --git a/lib/isc/assertions.c b/lib/isc/assertions.c
index fc320c8..dc70c7c 100644
--- a/lib/isc/assertions.c
+++ b/lib/isc/assertions.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1997-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: assertions.c,v 1.26 2009/09/29 15:06:07 fdupont Exp $ */
-
 /*! \file */
 
 #include <config.h>
diff --git a/lib/isc/backtrace-emptytbl.c b/lib/isc/backtrace-emptytbl.c
index 0e337a6..6b37a2d 100644
--- a/lib/isc/backtrace-emptytbl.c
+++ b/lib/isc/backtrace-emptytbl.c
@@ -1,21 +1,9 @@
 /*
  * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: backtrace-emptytbl.c,v 1.3 2009/09/01 20:13:44 each Exp $ */
-
 /*! \file */
 
 /*
diff --git a/lib/isc/backtrace.c b/lib/isc/backtrace.c
index 4274da3..db67b32 100644
--- a/lib/isc/backtrace.c
+++ b/lib/isc/backtrace.c
@@ -1,21 +1,9 @@
 /*
  * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: backtrace.c,v 1.3 2009/09/02 23:48:02 tbox Exp $ */
-
 /*! \file */
 
 #include "config.h"
diff --git a/lib/isc/error.c b/lib/isc/error.c
index 58a5782..0b2ebab 100644
--- a/lib/isc/error.c
+++ b/lib/isc/error.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: error.c,v 1.21 2007/06/19 23:47:17 tbox Exp $ */
-
 /*! \file */
 
 #include <config.h>
diff --git a/lib/isc/include/isc/assertions.h b/lib/isc/include/isc/assertions.h
index 94a733d..a95c1d5 100644
--- a/lib/isc/include/isc/assertions.h
+++ b/lib/isc/include/isc/assertions.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1997-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 /*! \file isc/assertions.h
diff --git a/lib/isc/include/isc/backtrace.h b/lib/isc/include/isc/backtrace.h
index 268952f..b3a1376 100644
--- a/lib/isc/include/isc/backtrace.h
+++ b/lib/isc/include/isc/backtrace.h
@@ -1,21 +1,3 @@
-/*
- * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/* $Id: backtrace.h,v 1.2 2009/09/01 18:40:25 jinmei Exp $ */
-
 /*! \file isc/backtrace.h
  * \brief provide a back trace of the running process to help debug problems.
  *
@@ -35,6 +17,10 @@
  * use them except in an exit path.  The exception is
  * isc_backtrace_getsymbolfromindex(), which is expected to be used in a
  * non-error-handling context and validates arguments with assertion checks.
+ *
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_BACKTRACE_H
diff --git a/lib/isc/include/isc/error.h b/lib/isc/include/isc/error.h
index c8e0dca..991fcbd 100644
--- a/lib/isc/include/isc/error.h
+++ b/lib/isc/include/isc/error.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_ERROR_H
diff --git a/lib/isc/include/isc/formatcheck.h b/lib/isc/include/isc/formatcheck.h
index ae30609..2fb73c6 100644
--- a/lib/isc/include/isc/formatcheck.h
+++ b/lib/isc/include/isc/formatcheck.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_FORMATCHECK_H
diff --git a/lib/isc/include/isc/hash.h b/lib/isc/include/isc/hash.h
index 8b2601a..8d6db95 100644
--- a/lib/isc/include/isc/hash.h
+++ b/lib/isc/include/isc/hash.h
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: hash.h,v 1.12 2009/01/17 23:47:43 tbox Exp $ */
-
 #ifndef GUARD_ISC_HASH_H
 #define GUARD_ISC_HASH_H 1
 
diff --git a/lib/isc/include/isc/interfaceiter.h b/lib/isc/include/isc/interfaceiter.h
index d26eac2..a675664 100644
--- a/lib/isc/include/isc/interfaceiter.h
+++ b/lib/isc/include/isc/interfaceiter.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_INTERFACEITER_H
diff --git a/lib/isc/include/isc/lang.h b/lib/isc/include/isc/lang.h
index bf5f114..bd6d967 100644
--- a/lib/isc/include/isc/lang.h
+++ b/lib/isc/include/isc/lang.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_LANG_H
diff --git a/lib/isc/include/isc/lib.h b/lib/isc/include/isc/lib.h
index 0b9ae32..aca0a99 100644
--- a/lib/isc/include/isc/lib.h
+++ b/lib/isc/include/isc/lib.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_LIB_H
diff --git a/lib/isc/include/isc/list.h b/lib/isc/include/isc/list.h
index 088c9e2..19691e1 100644
--- a/lib/isc/include/isc/list.h
+++ b/lib/isc/include/isc/list.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2006, 2007, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1997-2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_LIST_H
diff --git a/lib/isc/include/isc/log.h b/lib/isc/include/isc/log.h
index d033cda..73ccba0 100644
--- a/lib/isc/include/isc/log.h
+++ b/lib/isc/include/isc/log.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_LOG_H
diff --git a/lib/isc/include/isc/magic.h b/lib/isc/include/isc/magic.h
index ce49c21..f759f5f 100644
--- a/lib/isc/include/isc/magic.h
+++ b/lib/isc/include/isc/magic.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_MAGIC_H
diff --git a/lib/isc/include/isc/md5.h b/lib/isc/include/isc/md5.h
index 387c5ee..b11cd28 100644
--- a/lib/isc/include/isc/md5.h
+++ b/lib/isc/include/isc/md5.h
@@ -1,22 +1,3 @@
-/*
- * Copyright (C) 2004-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/* $Id: md5.h,v 1.20 2010/01/07 23:48:54 tbox Exp $ */
-
 /*! \file isc/md5.h
  * \brief This is the header file for the MD5 message-digest algorithm.
  *
@@ -38,6 +19,11 @@
  * header definitions; now uses stuff from dpkg's config.h
  *  - Ian Jackson <ijackson at nyx.cs.du.edu>.
  * Still in the public domain.
+ *
+ * Copyright (C) 2004-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001  Internet Software Consortium.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_MD5_H
diff --git a/lib/isc/include/isc/namespace.h b/lib/isc/include/isc/namespace.h
index c3654be..8debaa5 100644
--- a/lib/isc/include/isc/namespace.h
+++ b/lib/isc/include/isc/namespace.h
@@ -1,17 +1,7 @@
 /*
  * Copyright (C) 2009-2012  Internet Systems Consortium, Inc. ("ISC")
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISCAPI_NAMESPACE_H
diff --git a/lib/isc/include/isc/netaddr.h b/lib/isc/include/isc/netaddr.h
index be8a49c..b56bb35 100644
--- a/lib/isc/include/isc/netaddr.h
+++ b/lib/isc/include/isc/netaddr.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_NETADDR_H
diff --git a/lib/isc/include/isc/once.h b/lib/isc/include/isc/once.h
index 4e96363..d8fe9e7 100644
--- a/lib/isc/include/isc/once.h
+++ b/lib/isc/include/isc/once.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_ONCE_H
diff --git a/lib/isc/include/isc/os.h b/lib/isc/include/isc/os.h
index c5e3e25..c33aab6 100644
--- a/lib/isc/include/isc/os.h
+++ b/lib/isc/include/isc/os.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_OS_H
diff --git a/lib/isc/include/isc/platform.h b/lib/isc/include/isc/platform.h
index e9e0ed2..c188969 100644
--- a/lib/isc/include/isc/platform.h
+++ b/lib/isc/include/isc/platform.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
- * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_PLATFORM_H
diff --git a/lib/isc/include/isc/platform.h.in b/lib/isc/include/isc/platform.h.in
index a64e9ae..ed2cc69 100644
--- a/lib/isc/include/isc/platform.h.in
+++ b/lib/isc/include/isc/platform.h.in
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: platform.h.in,v 1.56 2010/12/18 01:56:23 each Exp $ */
-
 #ifndef ISC_PLATFORM_H
 #define ISC_PLATFORM_H 1
 
diff --git a/lib/isc/include/isc/random.h b/lib/isc/include/isc/random.h
index 0978cd9..1f41419 100644
--- a/lib/isc/include/isc/random.h
+++ b/lib/isc/include/isc/random.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_RANDOM_H
diff --git a/lib/isc/include/isc/result.h b/lib/isc/include/isc/result.h
index 34a1bb0..e81f1bc 100644
--- a/lib/isc/include/isc/result.h
+++ b/lib/isc/include/isc/result.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2009, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001, 2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_RESULT_H
diff --git a/lib/isc/include/isc/resultclass.h b/lib/isc/include/isc/resultclass.h
index 87fc72c..c5567b3 100644
--- a/lib/isc/include/isc/resultclass.h
+++ b/lib/isc/include/isc/resultclass.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_RESULTCLASS_H
diff --git a/lib/isc/include/isc/sha1.h b/lib/isc/include/isc/sha1.h
index 0687173..139b0aa 100644
--- a/lib/isc/include/isc/sha1.h
+++ b/lib/isc/include/isc/sha1.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_SHA1_H
diff --git a/lib/isc/include/isc/sockaddr.h b/lib/isc/include/isc/sockaddr.h
index c901c07..3224c27 100644
--- a/lib/isc/include/isc/sockaddr.h
+++ b/lib/isc/include/isc/sockaddr.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_SOCKADDR_H
diff --git a/lib/isc/include/isc/types.h b/lib/isc/include/isc/types.h
index 552b330..1583cf3 100644
--- a/lib/isc/include/isc/types.h
+++ b/lib/isc/include/isc/types.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2009, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_TYPES_H
diff --git a/lib/isc/include/isc/util.h b/lib/isc/include/isc/util.h
index 5db90e2..a77a962 100644
--- a/lib/isc/include/isc/util.h
+++ b/lib/isc/include/isc/util.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2007, 2010-2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_UTIL_H
diff --git a/lib/isc/include/isc/version.h b/lib/isc/include/isc/version.h
index ec00bde..6b68452 100644
--- a/lib/isc/include/isc/version.h
+++ b/lib/isc/include/isc/version.h
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: version.h,v 1.9 2007/06/19 23:47:18 tbox Exp $ */
-
 /*! \file isc/version.h */
 
 #include <isc/platform.h>
diff --git a/lib/isc/inet_aton.c b/lib/isc/inet_aton.c
index 7f12582..84f303a 100644
--- a/lib/isc/inet_aton.c
+++ b/lib/isc/inet_aton.c
@@ -1,18 +1,8 @@
 /*
  * Portions Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1996-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 /*
diff --git a/lib/isc/log.c b/lib/isc/log.c
index d71105f..18bb497 100644
--- a/lib/isc/log.c
+++ b/lib/isc/log.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004-2007, 2009, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id$ */
-
 /*! \file
  * \author  Principal Authors: DCL */
 
diff --git a/lib/isc/md5.c b/lib/isc/md5.c
index c689166..48ecadf 100644
--- a/lib/isc/md5.c
+++ b/lib/isc/md5.c
@@ -1,22 +1,3 @@
-/*
- * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/* $Id: md5.c,v 1.16 2009/02/06 23:47:42 tbox Exp $ */
-
 /*! \file
  * This code implements the MD5 message-digest algorithm.
  * The algorithm is due to Ron Rivest.  This code was
@@ -32,6 +13,11 @@
  * MD5Context structure, pass it to MD5Init, call MD5Update as
  * needed on buffers full of bytes, and then call MD5Final, which
  * will fill a supplied 16-byte array with the digest.
+ *
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001  Internet Software Consortium.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #include "config.h"
diff --git a/lib/isc/netaddr.c b/lib/isc/netaddr.c
index 0c10fdd..ba6a066 100644
--- a/lib/isc/netaddr.c
+++ b/lib/isc/netaddr.c
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2010-2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 /*! \file */
diff --git a/lib/isc/random.c b/lib/isc/random.c
index 5983235..3aa566f 100644
--- a/lib/isc/random.c
+++ b/lib/isc/random.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: random.c,v 1.28 2009/07/16 05:52:46 marka Exp $ */
-
 /*! \file */
 
 #include <config.h>
diff --git a/lib/isc/result.c b/lib/isc/result.c
index 8ca18f9..98386d4 100644
--- a/lib/isc/result.c
+++ b/lib/isc/result.c
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2008, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001, 2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 /*! \file */
diff --git a/lib/isc/sha1.c b/lib/isc/sha1.c
index aaef4cc..c6f9ef1 100644
--- a/lib/isc/sha1.c
+++ b/lib/isc/sha1.c
@@ -1,25 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2009, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001, 2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id$ */
-
-/*	$NetBSD: sha1.c,v 1.5 2000/01/22 22:19:14 mycroft Exp $	*/
-/*	$OpenBSD: sha1.c,v 1.9 1997/07/23 21:12:32 kstailey Exp $	*/
-
 /*! \file
  * SHA-1 in C
  * \author By Steve Reid <steve at edmweb.com>
diff --git a/lib/isc/sockaddr.c b/lib/isc/sockaddr.c
index f7b8009..eee0566 100644
--- a/lib/isc/sockaddr.c
+++ b/lib/isc/sockaddr.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004-2007, 2010-2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id$ */
-
 /*! \file */
 
 #include <config.h>
diff --git a/lib/isc/unix/errno2result.c b/lib/isc/unix/errno2result.c
index b30e0e4..aaf0c32 100644
--- a/lib/isc/unix/errno2result.c
+++ b/lib/isc/unix/errno2result.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id$ */
-
 /*! \file */
 
 #include <config.h>
diff --git a/lib/isc/unix/errno2result.h b/lib/isc/unix/errno2result.h
index edad897..2328a12 100644
--- a/lib/isc/unix/errno2result.h
+++ b/lib/isc/unix/errno2result.h
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id$ */
-
 #ifndef GUARD_UNIX_ERRNO2RESULT_H
 #define GUARD_UNIX_ERRNO2RESULT_H 1
 
diff --git a/lib/isc/unix/ifiter_getifaddrs.c b/lib/isc/unix/ifiter_getifaddrs.c
index 3548db5..0e36129 100644
--- a/lib/isc/unix/ifiter_getifaddrs.c
+++ b/lib/isc/unix/ifiter_getifaddrs.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: ifiter_getifaddrs.c,v 1.13 2009/09/24 23:48:13 tbox Exp $ */
-
 /*! \file
  * \brief
  * Obtain the list of network interfaces using the getifaddrs(3) library.
diff --git a/lib/isc/unix/ifiter_ioctl.c b/lib/isc/unix/ifiter_ioctl.c
index 9e87f3f..feb4533 100644
--- a/lib/isc/unix/ifiter_ioctl.c
+++ b/lib/isc/unix/ifiter_ioctl.c
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 /*! \file
diff --git a/lib/isc/unix/ifiter_sysctl.c b/lib/isc/unix/ifiter_sysctl.c
index eb3bb84..89c3e66 100644
--- a/lib/isc/unix/ifiter_sysctl.c
+++ b/lib/isc/unix/ifiter_sysctl.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: ifiter_sysctl.c,v 1.25 2007/06/19 23:47:18 tbox Exp $ */
-
 /*! \file
  * \brief
  * Obtain the list of network interfaces using sysctl.
diff --git a/lib/isc/unix/include/isc/int.h b/lib/isc/unix/include/isc/int.h
index c6445ed..6a6deb1 100644
--- a/lib/isc/unix/include/isc/int.h
+++ b/lib/isc/unix/include/isc/int.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_INT_H
diff --git a/lib/isc/unix/include/isc/net.h b/lib/isc/unix/include/isc/net.h
index 70cc408..3316478 100644
--- a/lib/isc/unix/include/isc/net.h
+++ b/lib/isc/unix/include/isc/net.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2008, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_NET_H
diff --git a/lib/isc/unix/include/isc/netdb.h b/lib/isc/unix/include/isc/netdb.h
index 25cef14..00d7d12 100644
--- a/lib/isc/unix/include/isc/netdb.h
+++ b/lib/isc/unix/include/isc/netdb.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_NETDB_H
diff --git a/lib/isc/unix/include/isc/syslog.h b/lib/isc/unix/include/isc/syslog.h
index 8dc306b..9f6ff34 100644
--- a/lib/isc/unix/include/isc/syslog.h
+++ b/lib/isc/unix/include/isc/syslog.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_SYSLOG_H
diff --git a/lib/isc/unix/include/isc/time.h b/lib/isc/unix/include/isc/time.h
index 4d50eb7..8c540aa 100644
--- a/lib/isc/unix/include/isc/time.h
+++ b/lib/isc/unix/include/isc/time.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_TIME_H
diff --git a/lib/isc/unix/interfaceiter.c b/lib/isc/unix/interfaceiter.c
index 6e9c45b..90ec3bf 100644
--- a/lib/isc/unix/interfaceiter.c
+++ b/lib/isc/unix/interfaceiter.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: interfaceiter.c,v 1.45 2008/12/01 03:51:47 marka Exp $ */
-
 /*! \file */
 
 #include <config.h>
diff --git a/lib/isc/unix/net.c b/lib/isc/unix/net.c
index dc31c3b..3e04f9b 100644
--- a/lib/isc/unix/net.c
+++ b/lib/isc/unix/net.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2008, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id$ */
-
 #include <config.h>
 
 #include <sys/types.h>
diff --git a/lib/isc/unix/time.c b/lib/isc/unix/time.c
index 9f6c9e0..5d45342 100644
--- a/lib/isc/unix/time.c
+++ b/lib/isc/unix/time.c
@@ -2,17 +2,8 @@
  * Copyright (C) 2004-2008, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001, 2003  Internet Software Consortium.
  *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 /* $Id$ */
diff --git a/lib/isc/version.c b/lib/isc/version.c
index bfe4d6d..b0dfc28 100644
--- a/lib/isc/version.c
+++ b/lib/isc/version.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: version.c,v 1.15 2007/06/19 23:47:17 tbox Exp $ */
-
 /*! \file */
 
 #include <isc/version.h>
diff --git a/lib/isc/win32/DLLMain.c b/lib/isc/win32/DLLMain.c
index ed84fcf..6f42e30 100644
--- a/lib/isc/win32/DLLMain.c
+++ b/lib/isc/win32/DLLMain.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: DLLMain.c,v 1.7 2007/06/18 23:47:49 tbox Exp $ */
-
 #include <windows.h>
 #include <stdio.h>
 
diff --git a/lib/isc/win32/errno2result.c b/lib/isc/win32/errno2result.c
index 7db8cc6..43b34bc 100644
--- a/lib/isc/win32/errno2result.c
+++ b/lib/isc/win32/errno2result.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: errno2result.c,v 1.17 2008/09/12 04:46:25 marka Exp $ */
-
 #include <config.h>
 
 #include <winsock2.h>
diff --git a/lib/isc/win32/errno2result.h b/lib/isc/win32/errno2result.h
index 5852da7..0b78e6e 100644
--- a/lib/isc/win32/errno2result.h
+++ b/lib/isc/win32/errno2result.h
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: errno2result.h,v 1.10 2007/06/19 23:47:19 tbox Exp $ */
-
 #ifndef GUARD_UNIX_ERRNO2RESULT_H
 #define GUARD_UNIX_ERRNO2RESULT_H 1
 
diff --git a/lib/isc/win32/include/isc/bind_registry.h b/lib/isc/win32/include/isc/bind_registry.h
index 0b6d071..dba4b6b 100644
--- a/lib/isc/win32/include/isc/bind_registry.h
+++ b/lib/isc/win32/include/isc/bind_registry.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_BINDREGISTRY_H
diff --git a/lib/isc/win32/include/isc/bindevt.h b/lib/isc/win32/include/isc/bindevt.h
index 5b81a14..8470c7a 100644
--- a/lib/isc/win32/include/isc/bindevt.h
+++ b/lib/isc/win32/include/isc/bindevt.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_BINDEVT_H
diff --git a/lib/isc/win32/include/isc/int.h b/lib/isc/win32/include/isc/int.h
index ee965b0..e9ccde0 100644
--- a/lib/isc/win32/include/isc/int.h
+++ b/lib/isc/win32/include/isc/int.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_INT_H
diff --git a/lib/isc/win32/include/isc/ipv6.h b/lib/isc/win32/include/isc/ipv6.h
index 2f78346..29a35be 100644
--- a/lib/isc/win32/include/isc/ipv6.h
+++ b/lib/isc/win32/include/isc/ipv6.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_IPV6_H
diff --git a/lib/isc/win32/include/isc/net.h b/lib/isc/win32/include/isc/net.h
index e4740da..06ee340 100644
--- a/lib/isc/win32/include/isc/net.h
+++ b/lib/isc/win32/include/isc/net.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 2004, 2005, 2007, 2008, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_NET_H
diff --git a/lib/isc/win32/include/isc/netdb.h b/lib/isc/win32/include/isc/netdb.h
index cdacf63..c34017c 100644
--- a/lib/isc/win32/include/isc/netdb.h
+++ b/lib/isc/win32/include/isc/netdb.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_NETDB_H
diff --git a/lib/isc/win32/include/isc/ntgroups.h b/lib/isc/win32/include/isc/ntgroups.h
index c709cf9..d0a22ed 100644
--- a/lib/isc/win32/include/isc/ntgroups.h
+++ b/lib/isc/win32/include/isc/ntgroups.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_NTGROUPS_H
diff --git a/lib/isc/win32/include/isc/ntpaths.h b/lib/isc/win32/include/isc/ntpaths.h
index e17ba4a..19d17e6 100644
--- a/lib/isc/win32/include/isc/ntpaths.h
+++ b/lib/isc/win32/include/isc/ntpaths.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 /*
diff --git a/lib/isc/win32/include/isc/offset.h b/lib/isc/win32/include/isc/offset.h
index f09d5e4..81cb658 100644
--- a/lib/isc/win32/include/isc/offset.h
+++ b/lib/isc/win32/include/isc/offset.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_OFFSET_H
diff --git a/lib/isc/win32/include/isc/once.h b/lib/isc/win32/include/isc/once.h
index 2c8422d..80c54d8 100644
--- a/lib/isc/win32/include/isc/once.h
+++ b/lib/isc/win32/include/isc/once.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_ONCE_H
diff --git a/lib/isc/win32/include/isc/platform.h b/lib/isc/win32/include/isc/platform.h
index 51f1f86..193ac9d 100644
--- a/lib/isc/win32/include/isc/platform.h
+++ b/lib/isc/win32/include/isc/platform.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_PLATFORM_H
diff --git a/lib/isc/win32/include/isc/syslog.h b/lib/isc/win32/include/isc/syslog.h
index bdd730d..1abee37 100644
--- a/lib/isc/win32/include/isc/syslog.h
+++ b/lib/isc/win32/include/isc/syslog.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_SYSLOG_H
diff --git a/lib/isc/win32/include/isc/time.h b/lib/isc/win32/include/isc/time.h
index 2d7223b..7b46a35 100644
--- a/lib/isc/win32/include/isc/time.h
+++ b/lib/isc/win32/include/isc/time.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2006-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_TIME_H
diff --git a/lib/isc/win32/include/isc/win32os.h b/lib/isc/win32/include/isc/win32os.h
index b7e6c0d..159c11f 100644
--- a/lib/isc/win32/include/isc/win32os.h
+++ b/lib/isc/win32/include/isc/win32os.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_ISC_WIN32OS_H
diff --git a/lib/isc/win32/interfaceiter.c b/lib/isc/win32/interfaceiter.c
index 8439b16..4f35200 100644
--- a/lib/isc/win32/interfaceiter.c
+++ b/lib/isc/win32/interfaceiter.c
@@ -1,22 +1,9 @@
 /*
  * Copyright (C) 2004, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: interfaceiter.c,v 1.15 2009/01/18 23:48:14 tbox Exp $ */
-
 #include <config.h>
 
 #include <stdio.h>
diff --git a/lib/isc/win32/net.c b/lib/isc/win32/net.c
index 71d9e80..9f310eb 100644
--- a/lib/isc/win32/net.c
+++ b/lib/isc/win32/net.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2005, 2007-2009, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id$ */
-
 #include <config.h>
 
 #include <errno.h>
diff --git a/lib/isc/win32/netdb.h b/lib/isc/win32/netdb.h
index cedb918..ac1a16b 100644
--- a/lib/isc/win32/netdb.h
+++ b/lib/isc/win32/netdb.h
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2006, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: netdb.h,v 1.9 2009/01/18 23:48:14 tbox Exp $ */
-
 #ifndef GUARD_NETDB_H
 #define GUARD_NETDB_H 1
 
diff --git a/lib/isc/win32/ntgroups.c b/lib/isc/win32/ntgroups.c
index 729cf07..5b78154 100644
--- a/lib/isc/win32/ntgroups.c
+++ b/lib/isc/win32/ntgroups.c
@@ -1,23 +1,4 @@
 /*
- * Copyright (C) 2004, 2006, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/* $Id: ntgroups.c,v 1.12 2009/09/29 23:48:04 tbox Exp $ */
-
-/*
  * The NT Groups have two groups that are not well documented and are
  * not normally seen: None and Everyone.  A user account belongs to
  * any number of groups, but if it is not a member of any group then
@@ -27,6 +8,11 @@
  * Everyone group.  All accounts, no matter how many groups that they
  * belong to, also belong to the Everyone group. You cannot remove an
  * account from the Everyone group.
+ *
+ * Copyright (C) 2004, 2006, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2001  Internet Software Consortium.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef UNICODE
diff --git a/lib/isc/win32/ntpaths.c b/lib/isc/win32/ntpaths.c
index 892a82f..67da5ad 100644
--- a/lib/isc/win32/ntpaths.c
+++ b/lib/isc/win32/ntpaths.c
@@ -1,28 +1,14 @@
 /*
- * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/* $Id: ntpaths.c,v 1.15 2009/07/14 22:54:57 each Exp $ */
-
-/*
  * This module fetches the required path information that is specific
  * to NT systems which can have its configuration and system files
  * almost anywhere. It can be used to override whatever the application
  * had previously assigned to the pointer. Basic information about the
  * file locations are stored in the registry.
+ *
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2001  Internet Software Consortium.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #include <config.h>
diff --git a/lib/isc/win32/once.c b/lib/isc/win32/once.c
index b504776..4559826 100644
--- a/lib/isc/win32/once.c
+++ b/lib/isc/win32/once.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: once.c,v 1.12 2007/06/18 23:47:49 tbox Exp $ */
-
 /* Principal Authors: DCL */
 
 #include <config.h>
diff --git a/lib/isc/win32/syslog.h b/lib/isc/win32/syslog.h
index b05d611..a6a746e 100644
--- a/lib/isc/win32/syslog.h
+++ b/lib/isc/win32/syslog.h
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001, 2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_SYSLOG_H
diff --git a/lib/isc/win32/time.c b/lib/isc/win32/time.c
index 60aa9ec..f929a9b 100644
--- a/lib/isc/win32/time.c
+++ b/lib/isc/win32/time.c
@@ -1,22 +1,10 @@
 /*
  * Copyright (C) 2004, 2006-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001, 2003  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: time.c,v 1.52 2009/08/14 07:51:08 marka Exp $ */
-
 #include <config.h>
 
 #include <errno.h>
diff --git a/lib/isc/win32/version.c b/lib/isc/win32/version.c
index 6d5c1fd..a5ae493 100644
--- a/lib/isc/win32/version.c
+++ b/lib/isc/win32/version.c
@@ -1,21 +1,9 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * SPDX-License-Identifier: ISC
  */
 
-/* $Id: version.c,v 1.7 2007/06/19 23:47:19 tbox Exp $ */
 
 #include <versions.h>
 
diff --git a/lib/isc/win32/win32os.c b/lib/isc/win32/win32os.c
index 56498d0..5f10555 100644
--- a/lib/isc/win32/win32os.c
+++ b/lib/isc/win32/win32os.c
@@ -1,22 +1,8 @@
 /*
  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: win32os.c,v 1.5 2007/06/19 23:47:19 tbox Exp $ */
-
 #include <windows.h>
 
 #include <isc/win32os.h>
@@ -98,4 +84,4 @@ isc_win32os_versioncheck(unsigned int major, unsigned int minor,
 
 	/* Exact */
 	return (0);
-}
\ No newline at end of file
+}
diff --git a/libntp/mktime.c b/libntp/mktime.c
index 23e3a85..1f4e838 100644
--- a/libntp/mktime.c
+++ b/libntp/mktime.c
@@ -1,37 +1,8 @@
 /*
  * Copyright (c) 1987, 1989 Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Arthur David Olson of the National Cancer Institute.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.  */
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-4-clause
+ */
 
 /*
  * This implementation of mktime is lifted straight from the NetBSD (BSD 4.4)
diff --git a/libntp/ntp_calendar.c b/libntp/ntp_calendar.c
index 2f4c5ba..d1e2c04 100644
--- a/libntp/ntp_calendar.c
+++ b/libntp/ntp_calendar.c
@@ -1,8 +1,9 @@
 /*
  * ntp_calendar.c - calendar and helper functions
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 #include <config.h>
 #include <sys/types.h>
diff --git a/libntp/ntp_random.c b/libntp/ntp_random.c
index 46cacd3..4f47e94 100644
--- a/libntp/ntp_random.c
+++ b/libntp/ntp_random.c
@@ -1,35 +1,8 @@
 /*
  * Copyright (c) 1983, 1993
  *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-4-clause
  */
 
 #include "config.h"
diff --git a/libntp/strl_obsd.c b/libntp/strl_obsd.c
index 3615407..1c931e0 100644
--- a/libntp/strl_obsd.c
+++ b/libntp/strl_obsd.c
@@ -7,17 +7,8 @@
 /*
  * Copyright (c) 1998 Todd C. Miller <Todd.Miller at courtesan.com>
  *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #include <config.h>		/* + marks local changes */
@@ -60,22 +51,6 @@ strlcpy(char *dst, const char *src, size_t siz)
 #endif				/* + */
 
 
-/*
- * Copyright (c) 1998 Todd C. Miller <Todd.Miller at courtesan.com>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
 /* #include <sys/types.h> */	/* + */
 /* #include <string.h> */	/* + */
 
diff --git a/libntp/timetoa.c b/libntp/timetoa.c
index f294e16..979e822 100644
--- a/libntp/timetoa.c
+++ b/libntp/timetoa.c
@@ -1,8 +1,7 @@
 /*
  * timetoa.c -- time_t related string formatting
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
  *
  * Printing a 'time_t' has a lot of portability pitfalls, due to it's
  * opaque base type. The only requirement imposed by the standard is
@@ -16,6 +15,9 @@
  * As the printf() family has no standardised type specifier for time_t,
  * guessing the right output format specifier is a bit troublesome and
  * best done with the help of the preprocessor and "config.h".
+ *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 
 #include "config.h"
diff --git a/libntp/timevalops.c b/libntp/timevalops.c
index 41b5e2c..8a06810 100644
--- a/libntp/timevalops.c
+++ b/libntp/timevalops.c
@@ -1,8 +1,9 @@
 /*
  * timevalops.c -- calculations on 'struct timeval' values
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 
 #include <config.h>
diff --git a/libntp/vint64ops.c b/libntp/vint64ops.c
index 2925069..ea5bb5c 100644
--- a/libntp/vint64ops.c
+++ b/libntp/vint64ops.c
@@ -2,7 +2,8 @@
  * vint64ops.c - operations on 'vint64' values
  *
  * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  * ----------------------------------------------------------------------
  * This is an attempt to get the vint64 calculations stuff centralised.
  */
diff --git a/libparse/binio.c b/libparse/binio.c
index 6706ffd..da61552 100644
--- a/libparse/binio.c
+++ b/libparse/binio.c
@@ -2,31 +2,8 @@
  * Created: Sun Jul 20 12:55:33 1997
  *
  * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/clk_computime.c b/libparse/clk_computime.c
index 686f3c8..c961e59 100644
--- a/libparse/clk_computime.c
+++ b/libparse/clk_computime.c
@@ -1,10 +1,4 @@
-#include <config.h>
-
 /*
- * /src/NTP/ntp4-dev/libparse/clk_computime.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A
- *
- * clk_computime.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A
- *
  * Supports Diem's Computime Radio Clock
  *
  * Used the Meinberg clock as a template for Diem's Computime Radio Clock
@@ -12,34 +6,12 @@
  * adapted by Alois Camenzind <alois.camenzind at ubs.ch>
  *
  * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <config.h>
+
 #include "ntp_fp.h"
 #include "ntp_unixtime.h"
 #include "ntp_calendar.h"
diff --git a/libparse/clk_dcf7000.c b/libparse/clk_dcf7000.c
index 2a8d606..ceaac51 100644
--- a/libparse/clk_dcf7000.c
+++ b/libparse/clk_dcf7000.c
@@ -1,37 +1,9 @@
 /*
- * /src/NTP/ntp4-dev/libparse/clk_dcf7000.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A
- *
- * clk_dcf7000.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A
- *
  * ELV DCF7000 module
  *
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/clk_meinberg.c b/libparse/clk_meinberg.c
index 1ff5fda..f1cf4da 100644
--- a/libparse/clk_meinberg.c
+++ b/libparse/clk_meinberg.c
@@ -1,37 +1,9 @@
 /*
- * /src/NTP/REPOSITORY/ntp4-dev/libparse/clk_meinberg.c,v 4.12.2.1 2005/09/25 10:22:35 kardel RELEASE_20050925_A
- *
- * clk_meinberg.c,v 4.12.2.1 2005/09/25 10:22:35 kardel RELEASE_20050925_A
- *
  * Meinberg clock support
  *
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/clk_rawdcf.c b/libparse/clk_rawdcf.c
index 633b1bb..4e1bf8c 100644
--- a/libparse/clk_rawdcf.c
+++ b/libparse/clk_rawdcf.c
@@ -1,37 +1,9 @@
 /*
- * /src/NTP/REPOSITORY/ntp4-dev/libparse/clk_rawdcf.c,v 4.18 2006/06/22 18:40:01 kardel RELEASE_20060622_A
- *
- * clk_rawdcf.c,v 4.18 2006/06/22 18:40:01 kardel RELEASE_20060622_A
- *
  * Raw DCF77 pulse clock support
  *
- * Copyright (c) 1995-2006 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2006 by Frank Kardel <kardel <AT> ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/clk_schmid.c b/libparse/clk_schmid.c
index 1016f46..1c590d0 100644
--- a/libparse/clk_schmid.c
+++ b/libparse/clk_schmid.c
@@ -6,33 +6,9 @@
  * Schmid clock support
  * based on information and testing from Adam W. Feigin et. al (Swisstime iis.ethz.ch)
  *
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/clk_trimtaip.c b/libparse/clk_trimtaip.c
index 2a5c6f2..efd8830 100644
--- a/libparse/clk_trimtaip.c
+++ b/libparse/clk_trimtaip.c
@@ -1,37 +1,9 @@
 /*
- * /src/NTP/ntp4-dev/libparse/clk_trimtaip.c,v 4.11 2005/04/16 17:32:10 kardel RELEASE_20050508_A
- *
- * clk_trimtaip.c,v 4.11 2005/04/16 17:32:10 kardel RELEASE_20050508_A
- *
  * Trimble SV6 clock support - several collected codepieces
  *
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/clk_trimtsip.c b/libparse/clk_trimtsip.c
index 38e377d..fc83b9f 100644
--- a/libparse/clk_trimtsip.c
+++ b/libparse/clk_trimtsip.c
@@ -1,38 +1,10 @@
 /*
- * /src/NTP/REPOSITORY/ntp4-dev/libparse/clk_trimtsip.c,v 4.19 2009/11/01 10:47:49 kardel RELEASE_20091101_A
- *
- * clk_trimtsip.c,v 4.19 2009/11/01 10:47:49 kardel RELEASE_20091101_A
- *
  * Trimble TSIP support
  * Thanks to Sven Dietrich for providing test hardware
  *
  * Copyright (c) 1995-2009 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/clk_varitext.c b/libparse/clk_varitext.c
index 5a7d281..c450e8e 100644
--- a/libparse/clk_varitext.c
+++ b/libparse/clk_varitext.c
@@ -1,42 +1,13 @@
 /*
- * /src/NTP/ntp4-dev/libparse/clk_varitext.c,v 1.5 2005/04/16 17:32:10 kardel RELEASE_20050508_A
- *
- * clk_varitext.c,v 1.5 2005/04/16 17:32:10 kardel RELEASE_20050508_A
- *
  * Varitext code variant by A.McConnell 1997/01/19
  *
  * Supports Varitext's Radio Clock
  *
  * Used the Meinberg/Computime clock as a template for Varitext Radio Clock
  *
- * Codebase:
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/data_mbg.c b/libparse/data_mbg.c
index 70d3b71..ddea026 100644
--- a/libparse/data_mbg.c
+++ b/libparse/data_mbg.c
@@ -2,31 +2,8 @@
  * Created: Sun Jul 20 12:08:14 1997
  *
  * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/gpstolfp.c b/libparse/gpstolfp.c
index a7a3d2f..f3d6fa4 100644
--- a/libparse/gpstolfp.c
+++ b/libparse/gpstolfp.c
@@ -1,32 +1,9 @@
 /*
  * Created: Sun Jun 28 16:30:38 1998
  *
- * Copyright (c) 1998-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1998-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <config.h>
 #include "ntp_fp.h"
diff --git a/libparse/ieee754io.c b/libparse/ieee754io.c
index daecac0..3be3e60 100644
--- a/libparse/ieee754io.c
+++ b/libparse/ieee754io.c
@@ -2,31 +2,8 @@
  * Created: Sun Jul 13 09:12:02 1997
  *
  * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include "config.h"
diff --git a/libparse/mfp_mul.c b/libparse/mfp_mul.c
index fa2a760..d0c4133 100644
--- a/libparse/mfp_mul.c
+++ b/libparse/mfp_mul.c
@@ -2,31 +2,8 @@
  * Created: Sat Aug 16 20:35:08 1997
  *
  * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <config.h>
 #include <stdio.h>
diff --git a/libparse/parse.c b/libparse/parse.c
index f332b1a..5776c1b 100644
--- a/libparse/parse.c
+++ b/libparse/parse.c
@@ -1,8 +1,4 @@
 /*
- * /src/NTP/ntp4-dev/libparse/parse.c,v 4.20 2005/08/06 17:39:40 kardel RELEASE_20050806_A
- *
- * parse.c,v 4.20 2005/08/06 17:39:40 kardel RELEASE_20050806_A
- *
  * Parser module for reference clock
  *
  * PARSEKERNEL define switches between two personalities of the module
@@ -11,32 +7,9 @@
  * a struct timeval.
  * when PARSEKERNEL is not defined NTP time stamps will be used.
  *
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  *
  */
 
diff --git a/libparse/parse_conf.c b/libparse/parse_conf.c
index e96404f..6f38824 100644
--- a/libparse/parse_conf.c
+++ b/libparse/parse_conf.c
@@ -1,33 +1,9 @@
 /*
  * Parser configuration module for reference clocks
  *
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <config.h>
diff --git a/libparse/trim_info.c b/libparse/trim_info.c
index 3ff771d..cebe065 100644
--- a/libparse/trim_info.c
+++ b/libparse/trim_info.c
@@ -1,33 +1,9 @@
 /*
  * Created: Sun Aug  2 20:20:34 1998
  *
- * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2005 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <config.h>
 #include "ntp_types.h"
diff --git a/ntpd/ntp_config.c b/ntpd/ntp_config.c
index df5b75e..cf1cfd2 100644
--- a/ntpd/ntp_config.c
+++ b/ntpd/ntp_config.c
@@ -7,7 +7,9 @@
  *		Newark, DE 19711
  * Some parts borrowed from the older ntp_config.c
  * Copyright (c) 2006
- */
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-clause
+*/
 
 #include <config.h>
 
diff --git a/ntpd/ntp_filegen.c b/ntpd/ntp_filegen.c
index d04313e..11ba68e 100644
--- a/ntpd/ntp_filegen.c
+++ b/ntpd/ntp_filegen.c
@@ -1,6 +1,4 @@
 /*
- * ntp_filegen.c,v 3.12 1994/01/25 19:06:11 kardel Exp
- *
  *  implements file generations support for NTP
  *  logfiles and statistic files
  *
diff --git a/ntpd/ntp_leapsec.c b/ntpd/ntp_leapsec.c
index 6189367..a133d12 100644
--- a/ntpd/ntp_leapsec.c
+++ b/ntpd/ntp_leapsec.c
@@ -1,11 +1,14 @@
 /*
  * ntp_leapsec.c - leap second processing for NTPD
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
+ *
  * ----------------------------------------------------------------------
  * This is an attempt to get the leap second handling into a dedicated
  * module to make the somewhat convoluted logic testable.
+ *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 
 #include <config.h>
diff --git a/ntpd/ntp_leapsec.h b/ntpd/ntp_leapsec.h
index 56d8bb2..17548f7 100644
--- a/ntpd/ntp_leapsec.h
+++ b/ntpd/ntp_leapsec.h
@@ -1,11 +1,14 @@
 /*
  * ntp_leapsec.h - leap second processing for NTPD
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
+ *
  * ----------------------------------------------------------------------
  * This is an attempt to get the leap second handling into a dedicated
  * module to make the somewhat convoluted logic testable.
+ *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 
 #ifndef GUARD_NTP_LEAPSEC_H
diff --git a/ntpd/ntp_parser.y b/ntpd/ntp_parser.y
index 4bedd7c..e77e5cc 100644
--- a/ntpd/ntp_parser.y
+++ b/ntpd/ntp_parser.y
@@ -6,6 +6,8 @@
  *		University of Delaware
  *		Newark, DE 19711
  * Copyright (c) 2006
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-clause
  */
 
 %{
diff --git a/ntpd/ntp_prio_q.c b/ntpd/ntp_prio_q.c
index 83754af..036f217 100644
--- a/ntpd/ntp_prio_q.c
+++ b/ntpd/ntp_prio_q.c
@@ -7,6 +7,8 @@
  *		University of Delaware
  *		Newark, DE 19711
  * Copyright (c) 2006
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-clause
  */
 #include <config.h>
 
diff --git a/ntpd/ntp_scanner.c b/ntpd/ntp_scanner.c
index d43cb9c..ecc8581 100644
--- a/ntpd/ntp_scanner.c
+++ b/ntpd/ntp_scanner.c
@@ -7,6 +7,8 @@
  *		University of Delaware
  *		Newark, DE 19711
  * Copyright (c) 2006
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-clause
  */
 
 #include <config.h>
diff --git a/ntpd/ntp_scanner.h b/ntpd/ntp_scanner.h
index 69a98c4..04d786c 100644
--- a/ntpd/ntp_scanner.h
+++ b/ntpd/ntp_scanner.h
@@ -6,6 +6,8 @@
  *		University of Delaware
  *		Newark, DE 19711
  * Copyright (c) 2006
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-clause
  */
 
 #ifndef GUARD_NTP_SCANNER_H
diff --git a/ntpd/ntpsim.c b/ntpd/ntpsim.c
index ffc983f..aa0dcbe 100644
--- a/ntpd/ntpsim.c
+++ b/ntpd/ntpsim.c
@@ -7,6 +7,8 @@
  *		Newark, DE 19711
  * Copyright (c) 2006
  * (Some code shamelessly based on the original NTP discrete event simulator)
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-clause
  */
 
 #include <config.h>
diff --git a/ntpd/refclock_gpsdjson.c b/ntpd/refclock_gpsdjson.c
index 6a317be..202e8ce 100644
--- a/ntpd/refclock_gpsdjson.c
+++ b/ntpd/refclock_gpsdjson.c
@@ -1,8 +1,7 @@
 /*
  * refclock_gpsdjson.c - clock driver as GPSD JSON client
- *	Juergen Perlinger (perlinger at ntp.org)
+ *	Juergen Perlinger <perlinger at ntp.org>
  *	Feb 11, 2014 for the NTP project.
- *      The contents of 'html/copyright.html' apply.
  *
  *	Heavily inspired by refclock_nmea.c
  *
@@ -72,6 +71,9 @@
  *
  *   should show you what GPSD has to say to NTPD. Replace "/dev/gps0"
  *   with the device link used by GPSD, if necessary.
+ *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 
 
diff --git a/ntpd/refclock_jupiter.c b/ntpd/refclock_jupiter.c
index 0f8c565..61b10ed 100644
--- a/ntpd/refclock_jupiter.c
+++ b/ntpd/refclock_jupiter.c
@@ -1,34 +1,8 @@
 /*
  * Copyright (c) 1997, 1998, 2003
  *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Lawrence Berkeley Laboratory.
- * 4. The name of the University may not be used to endorse or promote
- *    products derived from this software without specific prior
- *    written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-4-clause
  */
 
 #include <config.h>
diff --git a/ntpd/refclock_mx4200.c b/ntpd/refclock_mx4200.c
index 2174da1..e068158 100644
--- a/ntpd/refclock_mx4200.c
+++ b/ntpd/refclock_mx4200.c
@@ -2,39 +2,9 @@
  * This software was developed by the Computer Systems Engineering group
  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66.
  *
- * Copyright (c) 1992 The Regents of the University of California.
- * All rights reserved.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-4-clause
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Lawrence Berkeley Laboratory.
- * 4. The name of the University may not be used to endorse or promote
- *    products derived from this software without specific prior
- *    written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/*
  * Modified: Marc Brett <marc.brett at westgeo.com>   Sept, 1999.
  *
  * 1. Added support for alternate PPS schemes, with code mostly
diff --git a/ntpd/refclock_palisade.c b/ntpd/refclock_palisade.c
index cf5b05c..307e898 100644
--- a/ntpd/refclock_palisade.c
+++ b/ntpd/refclock_palisade.c
@@ -1,39 +1,4 @@
 /*
- * This software was developed by the Software and Component Technologies
- * group of Trimble Navigation, Ltd.
- *
- * Copyright (c) 1997, 1998, 1999, 2000  Trimble Navigation Ltd.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    This product includes software developed by Trimble Navigation, Ltd.
- * 4. The name of Trimble Navigation Ltd. may not be used to endorse or
- *    promote products derived from this software without specific prior
- *    written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY TRIMBLE NAVIGATION LTD. ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL TRIMBLE NAVIGATION LTD. BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/*
  * refclock_palisade - clock driver for the Trimble Palisade GPS
  * timing receiver
  *
@@ -50,8 +15,9 @@
  *
  * Version 2.45; July 14, 1999
  *
- *
- *
+ * This software was developed by the Software and Component Technologies
+ * group of Trimble Navigation, Ltd.
+ * *
  * 31/03/06: Added support for Thunderbolt GPS Disciplined Clock.
  *	     Contact: Fernando Pablo Hauscarriaga
  * 	     E-mail: fernandoph at iar.unlp.edu.ar
@@ -65,6 +31,11 @@
  *
  * 30/08/09: Added support for Trimble Acutime Gold Receiver.
  *	     Fernando P. Hauscarriaga (fernandoph at iar.unlp.edu.ar)
+ *
+ * Copyright (c) 1997, 1998, 1999, 2000  Trimble Navigation Ltd.
+ * All rights reserved.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-4-clause
  */
 
 #include "config.h"
diff --git a/ntpd/refclock_palisade.h b/ntpd/refclock_palisade.h
index 4459bc8..31fb062 100644
--- a/ntpd/refclock_palisade.h
+++ b/ntpd/refclock_palisade.h
@@ -1,39 +1,4 @@
 /*
- * This software was developed by the Software and Component Technologies
- * group of Trimble Navigation, Ltd.
- *
- * Copyright (c) 1997, 1998, 1999, 2000   Trimble Navigation Ltd.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    This product includes software developed by Trimble Navigation, Ltd.
- * 4. The name of Trimble Navigation Ltd. may not be used to endorse or
- *    promote products derived from this software without specific prior
- *    written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY TRIMBLE NAVIGATION LTD. ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL TRIMBLE NAVIGATION LTD. BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/*
  * refclock_palisade - clock driver for the Trimble Palisade GPS
  * timing receiver
  *
@@ -48,6 +13,13 @@
  * Post Office Box 3642
  * Sunnyvale, CA 94088-3642
  *
+ * This software was developed by the Software and Component Technologies
+ * group of Trimble Navigation, Ltd.
+ *
+ * Copyright (c) 1997, 1998, 1999, 2000   Trimble Navigation Ltd.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-4-clause
+ *
  */
 
 #ifndef GUARD_REFCLOCK_PALISADE_H
diff --git a/ntpd/refclock_parse.c b/ntpd/refclock_parse.c
index 2492e43..927819d 100644
--- a/ntpd/refclock_parse.c
+++ b/ntpd/refclock_parse.c
@@ -5,33 +5,9 @@
  *   On systems that support PPSAPI (RFC2783) PPSAPI is the
  *   preferred interface.
  *
- * Copyright (c) 1995-2009 by Frank Kardel <kardel <AT> ntp.org>
- * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
+ * Copyright (c) 1989-2009 by Frank Kardel <kardel at ntp.org>
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include "config.h"
diff --git a/ntpd/refclock_tsyncpci.c b/ntpd/refclock_tsyncpci.c
index 577b48a..e2ed981 100644
--- a/ntpd/refclock_tsyncpci.c
+++ b/ntpd/refclock_tsyncpci.c
@@ -8,6 +8,7 @@
 *            source.
 *
 *  (C) Copyright 2008 Spectracom Corporation
+*  Copyright 2015 by the NTPsec project contributors
 *
 *  This software is provided by Spectracom Corporation 'as is' and
 *  any express or implied warranties, including, but not limited to, the
@@ -21,8 +22,7 @@
 *  out of the use of this software, even if advised of the possibility of
 *  such damage.
 *
-*  This software is released for distribution according to the NTP copyright
-*  and license contained in html/copyright.html of NTP source.
+* SPDX-License-Identifier: NTP
 *
 *******************************************************************************/
 
diff --git a/ntpfrob/main.c b/ntpfrob/main.c
index 5785553..a4fe01b 100644
--- a/ntpfrob/main.c
+++ b/ntpfrob/main.c
@@ -1,5 +1,5 @@
 /* Copyright 2015 by the NTPsec project contributors
-   SPDX-License-Identifier: BSD-2-Clause
+ * SPDX-License-Identifier: BSD-2-Clause
  */
 
 #include <stdlib.h>
diff --git a/ports/winnt/include/hopf_PCI_io.h b/ports/winnt/include/hopf_PCI_io.h
index e4f1b1c..c5cfe07 100644
--- a/ports/winnt/include/hopf_PCI_io.h
+++ b/ports/winnt/include/hopf_PCI_io.h
@@ -5,6 +5,8 @@
  * Date: 21.03.2000 Revision: 01.10 
  *
  * Copyright (C) 1999, 2000 by Bernd Altmeier altmeier at ATLSoft.de
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-Clause
  * 
  */
 
diff --git a/ports/winnt/include/ntservice.h b/ports/winnt/include/ntservice.h
index ebf7560..ae942c7 100644
--- a/ports/winnt/include/ntservice.h
+++ b/ports/winnt/include/ntservice.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
- * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #ifndef GUARD_NTSERVICE_H
diff --git a/ports/winnt/include/stdint.h b/ports/winnt/include/stdint.h
index 4040c24..8e92490 100644
--- a/ports/winnt/include/stdint.h
+++ b/ports/winnt/include/stdint.h
@@ -1,8 +1,9 @@
 /*
  * stdint_msvc.h - C99 integer types for older Visual C compilers
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  *
  * ----------------------------------------------------------------------
  *
diff --git a/ports/winnt/include/syslog.h b/ports/winnt/include/syslog.h
index 1bb9834..a20e79f 100644
--- a/ports/winnt/include/syslog.h
+++ b/ports/winnt/include/syslog.h
@@ -1,18 +1,7 @@
 /*
  * Copyright (C) 2001  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
- * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 /* From BIND 9 lib/isc/include/isc/: syslog.h,v 1.4 2002/08/01 03:43:31 mayer */
diff --git a/ports/winnt/libntp/arc4wrap.c b/ports/winnt/libntp/arc4wrap.c
index 641a666..bee7e02 100644
--- a/ports/winnt/libntp/arc4wrap.c
+++ b/ports/winnt/libntp/arc4wrap.c
@@ -1,8 +1,9 @@
 /*
  * arc4wrap.c - wrapper for libevent's ARCFOUR random number generator
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  * --------------------------------------------------------------------
  * This is an inclusion wrapper for the ARCFOUR implementation in
  * libevent. It's main usage is to enable a openSSL-free build on Win32
diff --git a/ports/winnt/libntp/syslog.c b/ports/winnt/libntp/syslog.c
index f0fa0f0..cb84095 100644
--- a/ports/winnt/libntp/syslog.c
+++ b/ports/winnt/libntp/syslog.c
@@ -1,22 +1,11 @@
 /*
  * Copyright (C) 2001  Internet Software Consortium.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
- * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * From BIND 9 lib/isc/win32/: syslog.c,v 1.6 2002/08/03 01:34:14 mayer */
  */
 
-/* From BIND 9 lib/isc/win32/: syslog.c,v 1.6 2002/08/03 01:34:14 mayer */
-
 #include <config.h>
 
 #include <stdio.h>
diff --git a/ports/winnt/ntpd/hopf_PCI_io.c b/ports/winnt/ntpd/hopf_PCI_io.c
index a1ba200..d6a4282 100644
--- a/ports/winnt/ntpd/hopf_PCI_io.c
+++ b/ports/winnt/ntpd/hopf_PCI_io.c
@@ -5,6 +5,8 @@
  * Date: 21.03.2000 Revision: 01.10 
  *
  * Copyright (C) 1999, 2000 by Bernd Altmeier altmeier at ATLSoft.de
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: BSD-2-Clause
  * 
  */
 
diff --git a/ports/winnt/ntpd/ntp_iocompletionport.c b/ports/winnt/ntpd/ntp_iocompletionport.c
index bb50777..6c753dd 100644
--- a/ports/winnt/ntpd/ntp_iocompletionport.c
+++ b/ports/winnt/ntpd/ntp_iocompletionport.c
@@ -45,7 +45,7 @@ routines. The true roots of this file seem to be shrouded by the mist of time...
 This version still provides the 'user space PPS' emulation
 feature.
 
-Juergen Perlinger (perlinger at ntp.org) Feb 2012
+Juergen Perlinger <perlinger at ntp.org> Feb 2012
 
 -----------------------------------------------------------------------
 */
diff --git a/ports/winnt/ntpd/ntservice.c b/ports/winnt/ntpd/ntservice.c
index dcb9afe..e6364ef 100644
--- a/ports/winnt/ntpd/ntservice.c
+++ b/ports/winnt/ntpd/ntservice.c
@@ -1,18 +1,8 @@
 /*
  * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: ISC
  */
 
 #include <config.h>
diff --git a/scripts/ntpsweep/ntpsweep.in b/scripts/ntpsweep/ntpsweep.in
index 300989f..3e0ea93 100644
--- a/scripts/ntpsweep/ntpsweep.in
+++ b/scripts/ntpsweep/ntpsweep.in
@@ -1,7 +1,5 @@
 #! @BIN_PERL@ -w
 #
-# $Id: ntpsweep.in 1.8 2013/12/19 07:54:54+00:00 stenn at psp-fb1.ntp.org $
-#
 # DISCLAIMER
 # 
 # Copyright (C) 1999,2000 Hans Lambermont and Origin B.V.
diff --git a/scripts/plot_summary b/scripts/plot_summary
index 5b37fb4..1406709 100644
--- a/scripts/plot_summary
+++ b/scripts/plot_summary
@@ -5,19 +5,9 @@
 #
 # Copyright (c) 1997, 1999 by Ulrich Windl <Ulrich.Windl at rz.uni-regensburg.de>
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# Copyright 2015 by the NTPsec project contributors
+# SPDX-License-Identifier: GPL-2.0+
+
 package plot_summary;
 use 5.006_000;
 use strict;
diff --git a/scripts/summary b/scripts/summary
index 283735f..98739a0 100644
--- a/scripts/summary
+++ b/scripts/summary
@@ -4,19 +4,8 @@
 #
 # Copyright (c) 1997, 1999 by Ulrich Windl <Ulrich.Windl at rz.uni-regensburg.de>
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
+# SPDX-License-Identifier: GPL-2.0+
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 package summary;
 use 5.006_000;
 use strict;
diff --git a/tests/libntp/timestructs.cpp b/tests/libntp/timestructs.cpp
index 3cd0c54..801a9ad 100644
--- a/tests/libntp/timestructs.cpp
+++ b/tests/libntp/timestructs.cpp
@@ -1,8 +1,9 @@
 /*
  * timestructs.cpp -- test bed adaptors for time structs.
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 #include "libntptest.h"
 #include "timestructs.h"
diff --git a/tests/libntp/timestructs.h b/tests/libntp/timestructs.h
index ba56d52..f1b7d99 100644
--- a/tests/libntp/timestructs.h
+++ b/tests/libntp/timestructs.h
@@ -1,8 +1,7 @@
 /*
  * timestructs.h -- test bed adaptors for time structs.
  *
- * Written by Juergen Perlinger (perlinger at ntp.org) for the NTP project.
- * The contents of 'html/copyright.html' apply.
+ * Written by Juergen Perlinger <perlinger at ntp.org> for the NTP project.
  *
  * Some wrapper classes and a closeness predicate that are used to
  * bridge the gap between the goggletest framework and the structs used
@@ -12,6 +11,9 @@
  * output on errors. The normal string conversion functions will give
  * HRVs (human readable values) but we might also be interested in the
  * machine representation for diagnostic purposes.
+ *
+ * Copyright 2015 by the NTPsec project contributors
+ * SPDX-License-Identifier: NTP
  */
 #ifndef GUARD_TIMESTRUCTS_H
 #define GUARD_TIMESTRUCTS_H
diff --git a/tests/unity/unity.c b/tests/unity/unity.c
index 244de46..68896b4 100644
--- a/tests/unity/unity.c
+++ b/tests/unity/unity.c
@@ -1,7 +1,7 @@
 /* =========================================================================
     Unity Project - A Test Framework for C
     Copyright (c) 2007-14 Mike Karlesky, Mark VanderVoord, Greg Williams
-    [Released under MIT License. Please refer to license.txt for details]
+    SPDX-License-Identifier: MIT
 ============================================================================ */
 
 #include "unity.h"
diff --git a/tests/unity/unity.h b/tests/unity/unity.h
index 8773883..11c2c56 100644
--- a/tests/unity/unity.h
+++ b/tests/unity/unity.h
@@ -1,7 +1,7 @@
 /* ==========================================
     Unity Project - A Test Framework for C
     Copyright (c) 2007-14 Mike Karlesky, Mark VanderVoord, Greg Williams
-    [Released under MIT License. Please refer to license.txt for details]
+    SPDX-License-Identifier: MIT
 ========================================== */
 
 #ifndef UNITY_FRAMEWORK_H
diff --git a/tests/unity/unity_fixture.c b/tests/unity/unity_fixture.c
index 6fb1ede..dfdaa39 100644
--- a/tests/unity/unity_fixture.c
+++ b/tests/unity/unity_fixture.c
@@ -2,7 +2,7 @@
 /* ==========================================
     Unity Project - A Test Framework for C
     Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
-    [Released under MIT License. Please refer to license.txt for details]
+    SPDX-License-Identifier: MIT
 ========================================== */
 
 #include <string.h>
diff --git a/tests/unity/unity_fixture.h b/tests/unity/unity_fixture.h
index 63ec404..5177679 100644
--- a/tests/unity/unity_fixture.h
+++ b/tests/unity/unity_fixture.h
@@ -2,7 +2,7 @@
 /* ==========================================
     Unity Project - A Test Framework for C
     Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
-    [Released under MIT License. Please refer to license.txt for details]
+    SPDX-License-Identifier: MIT
 ========================================== */
 
 #ifndef UNITY_FIXTURE_H_
diff --git a/tests/unity/unity_fixture_internals.h b/tests/unity/unity_fixture_internals.h
index 2dd9734..6a69631 100644
--- a/tests/unity/unity_fixture_internals.h
+++ b/tests/unity/unity_fixture_internals.h
@@ -2,7 +2,7 @@
 /* ==========================================
     Unity Project - A Test Framework for C
     Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
-    [Released under MIT License. Please refer to license.txt for details]
+    SPDX-License-Identifier: MIT
 ========================================== */
 
 #ifndef UNITY_FIXTURE_INTERNALS_H_
diff --git a/tests/unity/unity_fixture_malloc_overrides.h b/tests/unity/unity_fixture_malloc_overrides.h
index 27b9884..ce74d49 100644
--- a/tests/unity/unity_fixture_malloc_overrides.h
+++ b/tests/unity/unity_fixture_malloc_overrides.h
@@ -2,7 +2,7 @@
 /* ==========================================
     Unity Project - A Test Framework for C
     Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
-    [Released under MIT License. Please refer to license.txt for details]
+    SPDX-License-Identifier: MIT
 ========================================== */
 
 #ifndef UNITY_FIXTURE_MALLOC_OVERRIDES_H_
diff --git a/tests/unity/unity_internals.h b/tests/unity/unity_internals.h
index 32bf46d..e7cbb52 100644
--- a/tests/unity/unity_internals.h
+++ b/tests/unity/unity_internals.h
@@ -1,7 +1,7 @@
 /* ==========================================
     Unity Project - A Test Framework for C
     Copyright (c) 2007-14 Mike Karlesky, Mark VanderVoord, Greg Williams
-    [Released under MIT License. Please refer to license.txt for details]
+    SPDX-License-Identifier: MIT
 ========================================== */
 
 #ifndef UNITY_INTERNALS_H



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