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<title>AppendixA.Release Notes</title>
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<tr><th colspan="3" align="center">AppendixA.Release Notes</th></tr>
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<div class="appendix">
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<div class="titlepage"><div><div><h1 class="title">
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<a name="Bv9ARM.ch08"></a>Release Notes</h1></div></div></div>
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<div class="toc">
<p><b>Table of Contents</b></p>
<dl class="toc">
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<dt><span class="section"><a href="Bv9ARM.ch08.html#id-1.9.2">Release Notes for BIND Version 9.12.4-P1</a></span></dt>
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<dd><dl>
<dt><span class="section"><a href="Bv9ARM.ch08.html#relnotes_intro">Introduction</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch08.html#relnotes_download">Download</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch08.html#relnotes_security">Security Fixes</a></span></dt>
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<dt><span class="section"><a href="Bv9ARM.ch08.html#relnotes_features">New Features</a></span></dt>
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<dt><span class="section"><a href="Bv9ARM.ch08.html#relnotes_changes">Feature Changes</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch08.html#relnotes_bugs">Bug Fixes</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch08.html#relnotes_license">License</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch08.html#end_of_life">End of Life</a></span></dt>
<dt><span class="section"><a href="Bv9ARM.ch08.html#relnotes_thanks">Thank You</a></span></dt>
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</dl>
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      <div class="section">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="id-1.9.2"></a>Release Notes for BIND Version 9.12.4-P1</h2></div></div></div>
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  <div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="relnotes_intro"></a>Introduction</h3></div></div></div>
    <p>
      This document summarizes changes since the last production
      release on the BIND 9.12 branch. Please see the
      <code class="filename">CHANGES</code> for a further list of bug fixes
      and other changes.
    </p>
  </div>
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  <div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_download"></a>Download</h3></div></div></div>
    <p>
      The latest versions of BIND 9 software can always be found at
      <a class="link" href="http://www.isc.org/downloads/" target="_top">http://www.isc.org/downloads/</a>.
      There you will find additional information about each release,
      source code, and pre-compiled versions for Microsoft Windows
      operating systems.
    </p>
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  <div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_security"></a>Security Fixes</h3></div></div></div>
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    <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
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<li class="listitem">
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        <p>
	  In certain configurations, <span class="command"><strong>named</strong></span> could crash
	  with an assertion failure if <span class="command"><strong>nxdomain-redirect</strong></span>
	  was in use and a redirected query resulted in an NXDOMAIN from the
	  cache. This flaw is disclosed in CVE-2019-6467. [GL #880]
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	</p>
      </li>
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	<p>
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	  The TCP client quota set using the <span class="command"><strong>tcp-clients</strong></span>
	  option could be exceeded in some cases. This could lead to
	  exhaustion of file descriptors. This flaw is disclosed in 
	  CVE-2018-5743. [GL #615]
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	</p>
      </li>
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</ul></div>
  </div>

  <div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_features"></a>New Features</h3></div></div></div>
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    <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
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	<p>
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	  None.
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	</p>
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      </li></ul></div>
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  </div>
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  <div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_changes"></a>Feature Changes</h3></div></div></div>
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	  None.
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	</p>
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      </li></ul></div>
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  </div>
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  <div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_bugs"></a>Bug Fixes</h3></div></div></div>
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    <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
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	<p>
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	  None.
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	</p>
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      </li></ul></div>
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  <div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_license"></a>License</h3></div></div></div>
    <p>
      BIND is open source software licenced under the terms of the Mozilla
      Public License, version 2.0 (see the <code class="filename">LICENSE</code>
      file for the full text).
    </p>
    <p>
      The license requires that if you make changes to BIND and distribute
      them outside your organization, those changes must be published under
      the same license. It does not require that you publish or disclose
      anything other than the changes you have made to our software.  This
      requirement does not affect anyone who is using BIND, with or without
      modifications, without redistributing it, nor anyone redistributing
      BIND without changes.
    </p>
    <p>
      Those wishing to discuss license compliance may contact ISC at
      <a class="link" href="https://www.isc.org/mission/contact/" target="_top">
	https://www.isc.org/mission/contact/</a>.
    </p>
  </div>
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  <div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="end_of_life"></a>End of Life</h3></div></div></div>
    <p>
      The end-of-life date for BIND 9.12 has not yet been determined.
      However, it is not intended to be an Extended Support Version (ESV)
      branch; accordingly, support will end after the next stable
      branch (9.14) becomes available.  Those needing a longer-lived
      branch are encouraged to use the current ESV, BIND 9.11, which
      will be supported until December 2021. See
      <a class="link" href="https://www.isc.org/downloads/software-support-policy/" target="_top">https://www.isc.org/downloads/software-support-policy/</a>
      for details of ISC's software support policy.
    </p>
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  <div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_thanks"></a>Thank You</h3></div></div></div>
    <p>
      Thank you to everyone who assisted us in making this release possible.
      If you would like to contribute to ISC to assist us in continuing to
      make quality open source software, please visit our donations page at
      <a class="link" href="http://www.isc.org/donate/" target="_top">http://www.isc.org/donate/</a>.
    </p>
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<td width="40%" align="left" valign="top">Chapter7.Troubleshooting</td>
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<td width="20%" align="center"><a accesskey="h" href="Bv9ARM.html">Home</a></td>
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<td width="40%" align="right" valign="top">AppendixB.A Brief History of the <acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym>
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<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.12.4-P1</p>
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