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<h3>
Eric S. Raymond pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/cbd37976c0fae3fee7f5c15d6540ea7e9f526a5f">cbd37976</a></strong>
<div>
<span>by Eric S. Raymond</span>
<i>at 2016-10-28T08:06:40-04:00</i>
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<pre class="commit-message" style="margin: 0; white-space: pre-wrap">Documentation polishing.
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<h4>1 changed file:</h4>
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<a href="#diff-0" style="text-decoration: none">
docs/debug.txt
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<h4>Changes:</h4>
<li id="diff-0">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/cbd37976c0fae3fee7f5c15d6540ea7e9f526a5f#diff-0"><strong>docs/debug.txt</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="145" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="145" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="background: #fafafa; color: rgba(0,0,0,0.3); padding-left: 0.5em; padding-right: 0.5em" bgcolor="#fafafa">@@ -145,7 +145,7 @@ particular oscillator frequency, start +ntpd+ using the +noselect+</td>
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145
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<pre style="margin: 0"> <span id="LC145" class="line">option with the +server+ configuration command.</span>
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<td class="diff-line-num old_line" data-linenumber="146" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<pre style="margin: 0"> <span id="LC146" class="line"></span>
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<td class="diff-line-num old_line" data-linenumber="147" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
147
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<td class="diff-line-num new_line" data-linenumber="147" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<pre style="margin: 0"> <span id="LC147" class="line">Record the time of day and offset displayed by the +ntpq+</span>
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<td class="diff-line-num old old_line" data-linenumber="148" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
148
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<td class="diff-line-num new_line old" data-linenumber="148" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC148" class="line">link:ntpq.html#pe<span class="idiff left right">[+pe</span>+] command. Wait for an hour or so and record the</span>
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<td class="diff-line-num new old_line" data-linenumber="149" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="148" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0"> <span id="LC148" class="line">link:ntpq.html#pe<span class="idiff left right">er[+peer</span>+] command. Wait for an hour or so and record the</span>
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<td class="diff-line-num old_line" data-linenumber="149" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
149
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<pre style="margin: 0"> <span id="LC149" class="line">time of day and offset. Calculate the frequency as the offset difference</span>
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<td class="diff-line-num old_line" data-linenumber="150" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="150" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<pre style="margin: 0"> <span id="LC150" class="line">divided by the time difference. If the frequency is much above 100 PPM,</span>
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<td class="diff-line-num old_line" data-linenumber="151" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<pre style="margin: 0"> <span id="LC151" class="line">the link:ntptickadj.html[{ntptickadj}] program might be useful to adjust the</span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="164" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="164" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="background: #fafafa; color: rgba(0,0,0,0.3); padding-left: 0.5em; padding-right: 0.5em" bgcolor="#fafafa">@@ -164,7 +164,7 @@ tally counters. However, the server can be configured to send a</td>
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164
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<pre style="margin: 0"> <span id="LC164" class="line">"kiss-o'-death" (KoD) packet to the client either when explicitly</span>
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<td class="diff-line-num old_line" data-linenumber="165" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<pre style="margin: 0"> <span id="LC165" class="line">configured or when cryptographic authentication fails for some reason.</span>
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<td class="diff-line-num old_line" data-linenumber="166" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<pre style="margin: 0"> <span id="LC166" class="line">The client association is permanently disabled, the access denied bit</span>
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<pre style="margin: 0"> <span id="LC167" class="line">(<span class="idiff left right">TEST</span>4) is set in the flash variable and a message is sent to the system</span>
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<pre style="margin: 0"> <span id="LC167" class="line">(<span class="idiff left right">BOGON</span>4) is set in the flash variable and a message is sent to the system</span>
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<pre style="margin: 0"> <span id="LC168" class="line">log.</span>
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<pre style="margin: 0"> <span id="LC169" class="line"></span>
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<pre style="margin: 0"> <span id="LC170" class="line">The access control provisions include a limit on the packet rate from a</span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="242" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="242" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="background: #fafafa; color: rgba(0,0,0,0.3); padding-left: 0.5em; padding-right: 0.5em" bgcolor="#fafafa">@@ -242,9 +242,9 @@ Messages] page. Check to be sure that only one copy of +ntpd+ is</td>
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<pre style="margin: 0"> <span id="LC242" class="line">running.</span>
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<pre style="margin: 0"> <span id="LC243" class="line"></span>
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<pre style="margin: 0"> <span id="LC244" class="line">3. Verify using +ping+ or other utility that packets actually do make</span>
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<pre style="margin: 0"> <span id="LC245" class="line">the round trip between the client and server. Verify using +<span class="idiff left right">nslookup+ or</span></span>
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<pre style="margin: 0"> <span id="LC246" class="line"><span class="idiff left right">other utility that the DNS server names do exist and resolve to vali</span>d</span>
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<pre style="margin: 0"> <span id="LC247" class="line">Internet addresses.</span>
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<pre style="margin: 0"> <span id="LC245" class="line">the round trip between the client and server. Verify using +<span class="idiff left right">dig+,</span></span>
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<pre style="margin: 0"> <span id="LC246" class="line"><span class="idiff left right">+nslookup+ or other utility that the DNS server names do exist an</span>d</span>
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<pre style="margin: 0"> <span id="LC247" class="line"><span class="idiff left right">resolve to valid </span>Internet addresses.</span>
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<pre style="margin: 0"> <span id="LC248" class="line"></span>
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<pre style="margin: 0"> <span id="LC249" class="line">4. Check that the remote NTP server is up and running. The usual</span>
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<pre style="margin: 0"> <span id="LC250" class="line">evidence that it is not is a +Connection refused+ message.</span>
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<td class="line_content match " style="background: #fafafa; color: rgba(0,0,0,0.3); padding-left: 0.5em; padding-right: 0.5em" bgcolor="#fafafa">@@ -259,15 +259,15 @@ daemon may not be running or the server itself may be down or not</td>
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<pre style="margin: 0"> <span id="LC259" class="line">responding.</span>
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<pre style="margin: 0"> <span id="LC260" class="line"></span>
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<pre style="margin: 0"> <span id="LC261" class="line">6. If both the sent and received counters do increment, but the +reach+</span>
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<pre style="margin: 0"> <span id="LC262" class="line">values in the <span class="idiff left right">+pe+</span> billboard with +ntpq+ continues to show zero,</span>
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<pre style="margin: 0"> <span id="LC262" class="line">values in the <span class="idiff left right">peers</span> billboard with +ntpq+ continues to show zero,</span>
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<pre style="margin: 0"> <span id="LC263" class="line">received packets are probably being discarded for some reason. If this</span>
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<pre style="margin: 0"> <span id="LC264" class="line">is the case, the cause should be evident from the +flash+ variable as</span>
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<pre style="margin: 0"> <span id="LC265" class="line">discussed above and on the +ntpq+ page. It could be that the server has</span>
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<pre style="margin: 0"> <span id="LC266" class="line">disabled access for the client address, in which case the +refid+ field</span>
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267
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<pre style="margin: 0"> <span id="LC267" class="line">in the +ntpq<span class="idiff left right"> pe+</span> billboard will show a kiss code. See earlier on this</span>
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<pre style="margin: 0"> <span id="LC267" class="line">in the +ntpq<span class="idiff left right">+ peers</span> billboard will show a kiss code. See earlier on this</span>
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<pre style="margin: 0"> <span id="LC268" class="line">page for a list of kiss codes and their meaning.</span>
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<pre style="margin: 0"> <span id="LC269" class="line"></span>
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<pre style="margin: 0"> <span id="LC270" class="line">7. If the +reach+ values in the <span class="idiff left right">+pe+</span> billboard show the servers are</span>
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<pre style="margin: 0"> <span id="LC270" class="line">7. If the +reach+ values in the <span class="idiff left right">peers</span> billboard show the servers are</span>
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<pre style="margin: 0"> <span id="LC271" class="line">alive and responding, note the tattletale symbols at the left margin,</span>
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<pre style="margin: 0"> <span id="LC272" class="line">which indicate the status of each server resulting from the various</span>
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<pre style="margin: 0"> <span id="LC273" class="line">grooming and mitigation algorithms. The interpretation of these symbols</span>
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