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231 lines
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231 lines
9.9 KiB
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="article">
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<div class="section">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="id-1.2"></a>Release Notes for BIND Version 9.14.4</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>
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<p>
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BIND 9.14 is a stable branch of BIND.
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This document summarizes significant changes since the last
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production release on that branch.
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</p>
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<p>
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</p>
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<p>
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Please see the file <code class="filename">CHANGES</code> for a more
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detailed list of changes and bug fixes.
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</p>
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</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_versions"></a>Note on Version Numbering</h3></div></div></div>
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<p>
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As of BIND 9.13/9.14, BIND has adopted the "odd-unstable/even-stable"
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release numbering convention. BIND 9.14 contains new features added
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during the BIND 9.13 development process. Henceforth, the 9.14 branch
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will be limited to bug fixes and new feature development will proceed
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in the unstable 9.15 branch, and so forth.
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</p>
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</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_platforms"></a>Supported Platforms</h3></div></div></div>
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<p>
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Since 9.12, BIND has undergone substantial code refactoring and
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cleanup, and some very old code has been removed that supported
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obsolete operating systems and operating systems for which ISC is
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no longer able to perform quality assurance testing. Specifically,
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workarounds for UnixWare, BSD/OS, AIX, Tru64, SunOS, TruCluster
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and IRIX have been removed.
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</p>
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<p>
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On UNIX-like systems, BIND now requires support for POSIX.1c
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threads (IEEE Std 1003.1c-1995), the Advanced Sockets API for
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IPv6 (RFC 3542), and standard atomic operations provided by the
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C compiler.
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</p>
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<p>
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More information can be found in the <code class="filename">PLATFORM.md</code>
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file that is included in the source distribution of BIND 9. If your
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platform compiler and system libraries provide the above features,
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BIND 9 should compile and run. If that isn't the case, the BIND
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development team will generally accept patches that add support
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for systems that are still supported by their respective vendors.
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</p>
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<p>
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As of BIND 9.14, the BIND development team has also made cryptography
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(i.e., TSIG and DNSSEC) an integral part of the DNS server. The
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OpenSSL cryptography library must be available for the target
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platform. A PKCS#11 provider can be used instead for Public Key
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cryptography (i.e., DNSSEC signing and validation), but OpenSSL is
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still required for general cryptography operations such as hashing
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and random number generation.
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</p>
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</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_download"></a>Download</h3></div></div></div>
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<p>
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The latest versions of BIND 9 software can always be found at
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<a class="link" href="http://www.isc.org/downloads/" target="_top">http://www.isc.org/downloads/</a>.
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There you will find additional information about each release,
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source code, and pre-compiled versions for Microsoft Windows
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operating systems.
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</p>
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</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_security"></a>Security 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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A race condition could trigger an assertion failure when
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a large number of incoming packets were being rejected.
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This flaw is disclosed in CVE-2019-6471. [GL #942]
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</p>
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</li></ul></div>
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</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_features"></a>New Features</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>
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The new GeoIP2 API from MaxMind is now supported when BIND
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is compiled using <span class="command"><strong>configure --with-geoip2</strong></span>.
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The legacy GeoIP API can be used by compiling with
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<span class="command"><strong>configure --with-geoip</strong></span> instead. (Note that
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the databases for the legacy API are no longer maintained by
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MaxMind.)
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</p>
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<p>
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The default path to the GeoIP2 databases will be set based
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on the location of the <span class="command"><strong>libmaxminddb</strong></span> library;
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for example, if it is in <code class="filename">/usr/local/lib</code>,
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then the default path will be
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<code class="filename">/usr/local/share/GeoIP</code>.
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This value can be overridden in <code class="filename">named.conf</code>
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using the <span class="command"><strong>geoip-directory</strong></span> option.
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</p>
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<p>
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Some <span class="command"><strong>geoip</strong></span> ACL settings that were available with
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legacy GeoIP, including searches for <span class="command"><strong>netspeed</strong></span>,
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<span class="command"><strong>org</strong></span>, and three-letter ISO country codes, will
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no longer work when using GeoIP2. Supported GeoIP2 database
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types are <span class="command"><strong>country</strong></span>, <span class="command"><strong>city</strong></span>,
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<span class="command"><strong>domain</strong></span>, <span class="command"><strong>isp</strong></span>, and
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<span class="command"><strong>as</strong></span>. All of the databases support both IPv4
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and IPv6 lookups. [GL #182]
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</p>
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</li>
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<li class="listitem">
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<p>
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Two new metrics have been added to the
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<span class="command"><strong>statistics-channel</strong></span> to report DNSSEC
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signing operations. For each key in each zone, the
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<span class="command"><strong>dnssec-sign</strong></span> counter indicates the total
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number of signatures <span class="command"><strong>named</strong></span> has generated
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using that key since server startup, and the
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<span class="command"><strong>dnssec-refresh</strong></span> counter indicates how
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many of those signatures were refreshed during zone
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maintenance, as opposed to having been generated
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as a result of a zone update. [GL #513]
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</p>
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</li>
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</ul></div>
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</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_bugs"></a>Bug 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>
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When <span class="command"><strong>qname-minimization</strong></span> was set to
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<span class="command"><strong>relaxed</strong></span>, some improperly configured domains
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would fail to resolve, but would have succeeded if minimization
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were disabled. <span class="command"><strong>named</strong></span> will now fall back to normal
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resolution in such cases, and also uses type A rather than NS for
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minimal queries in order to reduce the likelihood of encountering
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the problem. [GL #1055]
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</p>
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</li>
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<li class="listitem">
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<p>
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Glue address records were not being returned in responses
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to root priming queries; this has been corrected. [GL #1092]
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</p>
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</li>
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</ul></div>
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</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_license"></a>License</h3></div></div></div>
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<p>
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BIND is open source software licensed under the terms of the Mozilla
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Public License, version 2.0 (see the <code class="filename">LICENSE</code>
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file for the full text).
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</p>
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<p>
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The license requires that if you make changes to BIND and distribute
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them outside your organization, those changes must be published under
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the same license. It does not require that you publish or disclose
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anything other than the changes you have made to our software. This
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requirement does not affect anyone who is using BIND, with or without
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modifications, without redistributing it, nor anyone redistributing
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BIND without changes.
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</p>
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<p>
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Those wishing to discuss license compliance may contact ISC at
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<a class="link" href="https://www.isc.org/mission/contact/" target="_top">
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https://www.isc.org/mission/contact/</a>.
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</p>
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</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="end_of_life"></a>End of Life</h3></div></div></div>
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<p>
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The end of life date for BIND 9.14 has not yet been determined.
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For those needing long term support, the current Extended Support
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Version (ESV) is BIND 9.11, which will be supported until at
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least December 2021. See
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<a class="link" href="https://www.isc.org/downloads/software-support-policy/" target="_top">https://www.isc.org/downloads/software-support-policy/</a>
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for details of ISC's software support policy.
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</p>
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</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_thanks"></a>Thank You</h3></div></div></div>
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<p>
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Thank you to everyone who assisted us in making this release possible.
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If you would like to contribute to ISC to assist us in continuing to
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make quality open source software, please visit our donations page at
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<a class="link" href="http://www.isc.org/donate/" target="_top">http://www.isc.org/donate/</a>.
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</p>
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</div>
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</div>
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</div></body>
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</html>
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