[Git][NTPsec/ntpsec][master] Fix nts ask/require description
Hal Murray
gitlab at mg.gitlab.com
Wed Apr 3 07:08:19 UTC 2019
Hal Murray pushed to branch master at NTPsec / ntpsec
Commits:
91278329 by Richard Laager at 2019-04-03T07:08:12Z
Fix nts ask/require description
The negotiation determines the NTP server, not the NTS server. The
negotiation is already occurring with the NTS server.
- - - - -
1 changed file:
- docs/includes/auth-commands.adoc
Changes:
=====================================
docs/includes/auth-commands.adoc
=====================================
@@ -68,7 +68,7 @@ The options are as follows:
+mintls+ _string_::
Set the lowest allowable TLS version to negotiate. Will be useful in
the wake of a TLS compromise. Reasonable values are _TLS1.2_ and
- _TLS1.3_ if your system supports it. 1.3 was first supported in
+ _TLS1.3_ if your system supports it. TLS 1.3 was first supported in
OpenSSL version 1.1.1.
+maxtls+ _string_::
@@ -100,19 +100,18 @@ The following options of the +server+ command configure NTS.
+nts+::
Use Network Time Security (NTS) for authentication. Normally,
this is all you have to do to activate the client side of NTS.
-
+ +
The hostname following the +server+ command is used as the address
of the NTS key exchange server (NTS-KE) rather than the address
of a NTP server. The NTS-KE exchange defaults to using the same
- IP Address for the NTP server.
-
- Note that the server name must match the name on the certificate.
- That is probably a FQDN rather than a short alias that you would
- probably use to talk to an internal server.
+ IP address for the NTP server.
+ +
+ Note that the +server+ hostname must match the name on the NTS-KE
+ server's certificate.
+ask+ _address_:: (not implemented)
Use Network Time Security for authentication. Ask
- for a specific NTS server, which may differ from the NTP server.
+ for a specific NTP server, which may differ from the NTS server.
Conforms to RFC 3896 section 3.2.2 prescription for the Host part of
a URI: that is, the _address_ may be a hostname, an FQDN, an IPv4
numeric address, or an IPv6 numeric address (in square brackets).
@@ -120,7 +119,7 @@ The following options of the +server+ command configure NTS.
+require+ _address_:: (not implemented)
Use Network Time Security for authentication and encryption.
- Require a specific NTS server, which may differ from the NTP server.
+ Require a specific NTP server, which may differ from the NTS server.
Address syntax is as for +ask+.
+noval+::
@@ -141,16 +140,15 @@ The following options of the +server+ command configure NTS.
with their hash, as created by +openssl rehash+.
+aead+ _string_::
- Specify the prefered crypto algorithm to be used on the wire.
- The only options supported are AES_SIV_CMAC_256, AES_SIV_CMAC_384, and
- AES_SIV_CMAC_512. The server may ignore the request. See the _aead_
- option above.
-
-
-The same _aead_ algorithms are also used to encrypt cookies.
+ Specify the prefered crypto algorithm to be used on the wire.
+ The only options supported are AES_SIV_CMAC_256, AES_SIV_CMAC_384, and
+ AES_SIV_CMAC_512. The server may ignore the request. See the _aead_
+ option above.
+ +
+ The same _aead_ algorithms are also used to encrypt cookies.
The default is AES_SIV_CMAC_256. There is no config file option to
change it, but you can change it by editing the saved cookie key
- file, probably /var/lib/ntp/nts-keys. Adjust the _L:_ slot to be
+ file, probably +/var/lib/ntp/nts-keys+. Adjust the _L:_ slot to be
48 or 64 and adjust the _I:_ slots to have the right number of bytes.
Then restart the server. (All old cookies held by clients will be
rejected so their next 8 NTP requests will be ignored. They should
View it on GitLab: https://gitlab.com/NTPsec/ntpsec/commit/91278329f77036f4f23802a762f80b4efd418650
--
View it on GitLab: https://gitlab.com/NTPsec/ntpsec/commit/91278329f77036f4f23802a762f80b4efd418650
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