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<h3>
Hal Murray 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/b5296a61cb98540bf2d0756cac262c5b26142cce">b5296a61</a></strong>
<div>
<span>by Hal Murray</span>
<i>at 2016-12-17T03:13:02-08:00</i>
</div>
<pre class="commit-message" style="margin: 0; white-space: pre-wrap">Fix typos
</pre>
</li>
</ul>
<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#f07405151df8967639fc8fdff9fca565de5f67e2" style="text-decoration: none">
docs/mode6.txt
</a>
</li>
</ul>
<h4>Changes:</h4>
<li id="f07405151df8967639fc8fdff9fca565de5f67e2">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/b5296a61cb98540bf2d0756cac262c5b26142cce#f07405151df8967639fc8fdff9fca565de5f67e2"><strong>docs/mode6.txt</strong></a>
<hr>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="40" 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="40" 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>
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<pre style="margin: 0"><span id="LC40" class="line">MAC) as time synchronization messages, but the layout and semantics of</span>
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<pre style="margin: 0"><span id="LC41" class="line">the header fields are different.  They are distinguished from time</span>
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<td class="diff-line-num old_line" data-linenumber="42" 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="LC42" class="line">synchronization packets by their Mode field, which has the value 6</span>
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<pre style="margin: 0"><span id="LC43" class="line">(<span class="idiff left right">0</span>110).</span>
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<pre style="margin: 0"><span id="LC43" class="line">(110).</span>
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<pre style="margin: 0"><span id="LC44" class="line"></span>
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<pre style="margin: 0"><span id="LC45" class="line">.Mode 6 packet structure</span>
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<pre style="margin: 0"><span id="LC46" class="line">-------------------------------------------------------------------------</span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="160" 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="160" 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>
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<pre style="margin: 0"><span id="LC160" class="line">|CTL_OP_UNSETTRAP        | 31    | -     | unset trap (obsolete, unused)</span>
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<pre style="margin: 0"><span id="LC161" class="line">|=====================================================================</span>
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<pre style="margin: 0"><span id="LC162" class="line"></span>
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<td class="diff-line-num old old_line" data-linenumber="163" 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="LC163" class="line">The CT<span class="idiff left right">RL_OP_</span>TRAP and CTL_OP_UNSETTRAP opcodes relate to an obsolete</span>
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<td class="diff-line-num new old_line" data-linenumber="164" 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="LC163" class="line">The CT<span class="idiff left right">L_OP_SET</span>TRAP and CTL_OP_UNSETTRAP opcodes relate to an obsolete</span>
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<pre style="margin: 0"><span id="LC164" class="line">notification facility supported in some older versions of the</span>
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<pre style="margin: 0"><span id="LC165" class="line">software. CTL_OP_WRITECLOCK is unimplemented and will throw a</span>
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<pre style="margin: 0"><span id="LC166" class="line">permission error. CTL_OP_ASYNCMSG is reserved for expansion. The</span>
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<td class="diff-line-num old_line" data-linenumber="229" 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="LC229" class="line">This request is used to change the configuration of ntpd without</span>
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<pre style="margin: 0"><span id="LC230" class="line">restarting the daemon.  It requires authentication.</span>
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<pre style="margin: 0"><span id="LC231" class="line"></span>
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<pre style="margin: 0"><span id="LC232" class="line">The request payload should be a line <span class="idiff left right">line </span>of text in the syntax of the</span>
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<pre style="margin: 0"><span id="LC232" class="line">The request payload should be a line of text in the syntax of the</span>
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<pre style="margin: 0"><span id="LC233" class="line">ntp.conf configuration file.  The response payload will begin with either</span>
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<td class="diff-line-num new_line" data-linenumber="234" 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="LC234" class="line">an error message or the string "Config Succeeded", followed by a NUL.</span>
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<pre style="margin: 0"><span id="LC235" class="line"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="240" 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="240" 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>
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<pre style="margin: 0"><span id="LC240" class="line">=== CTL_OP_READ_MRU ===</span>
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<pre style="margin: 0"><span id="LC241" class="line"></span>
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<pre style="margin: 0"><span id="LC242" class="line">This request is used to retrieve information about recent traffic</span>
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<td class="diff-line-num old old_line" data-linenumber="243" 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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<td class="diff-line-num new_line old" data-linenumber="243" 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="LC243" class="line">between ntpd and its peers; in NTP-speak this traffic summary is</span>
</pre>
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<pre style="margin: 0"><span id="LC243" class="line">between ntpd and its <span class="idiff left right">clients and </span>peers; in NTP-speak this traffic summary is</span>
</pre>
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">
<pre style="margin: 0"><span id="LC244" class="line">called the "MRU list", where MRU stands for "most recently used".  It does</span>
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<pre style="margin: 0"><span id="LC245" class="line">not require authentication.</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="246" 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="LC246" class="line"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="472" 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="472" 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>
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<pre style="margin: 0"><span id="LC472" class="line">not require authentication.</span>
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<pre style="margin: 0"><span id="LC473" class="line"></span>
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<td class="diff-line-num new_line" data-linenumber="474" 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="LC474" class="line">The request retrieves a nonce specific to this client, which will be</span>
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<td class="diff-line-num old old_line" data-linenumber="475" 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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<td class="diff-line-num new_line old" data-linenumber="475" 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="LC475" class="line">played back to ntpd t<span class="idiff left right">p</span> demonstrate that the client is capable of</span>
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<td class="diff-line-num new old_line" data-linenumber="476" 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="475" 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="LC475" class="line">played back to ntpd t<span class="idiff left right">o</span> demonstrate that the client is capable of</span>
</pre>
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<pre style="margin: 0"><span id="LC476" class="line">receiving responses at the source IP address that requested the nonce,</span>
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<td class="diff-line-num old old_line" data-linenumber="477" 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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<td class="diff-line-num new_line old" data-linenumber="477" 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="LC477" class="line"><span class="idiff left right">is and</span> thereby unlikely to be forging the source ddress.  This check</span>
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<td class="diff-line-num new old_line" data-linenumber="478" 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="LC477" class="line"><span class="idiff left right">and is</span> thereby unlikely to be forging the source ddress.  This check</span>
</pre>
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<pre style="margin: 0"><span id="LC478" class="line">prevents CTL_OP_READ_MRU from being used for flooding attacks.</span>
</pre>
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<pre style="margin: 0"><span id="LC479" class="line"></span>
</pre>
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<pre style="margin: 0"><span id="LC480" class="line">The request has no payload.  The response will be a textual varlist</span>
</pre>
</td>
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