252 lines
9.1 KiB
HTML
252 lines
9.1 KiB
HTML
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<!-- $Id$ -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title></title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
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</head>
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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 9.9.9</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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This document summarizes significant changes since the last
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production release of BIND on the corresponding major release
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branch.
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Please see the CHANGES file for a further list of bug fixes and
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other changes.
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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; ">
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<li class="listitem">
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<p>
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It was possible to trigger assertions when processing
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responses containing an answer of type DNAME. This flaw is
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disclosed in CVE-2016-8864. [RT #43465]
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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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Added the ability to specify the maximum number of records
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permitted in a zone (max-records #;). This provides a mechanism
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to block overly large zone transfers, which is a potential risk
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with slave zones from other parties, as described in CVE-2016-6170.
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[RT #42143]
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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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It was possible to trigger a assertion when rendering a
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message using a specially crafted request. This flaw is
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disclosed in CVE-2016-2776. [RT #43139]
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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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getrrsetbyname with a non absolute name could trigger an
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infinite recursion bug in lwresd and named with lwres
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configured if when combined with a search list entry the
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resulting name is too long. This flaw is disclosed in
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CVE-2016-2775. [RT #42694]
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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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Named incorrectly tried to cache TKEY records which could
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trigger a assertion failure when there was a class mismatch.
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This flaw is disclosed in CVE-2016-9131. [RT #43522]
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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_changes"></a>Feature Changes</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 ISC DNSSEC Lookaside Validation (DLV) service is scheduled
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to be disabled in 2017. A warning is now logged when
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<span class="command"><strong>named</strong></span> is configured to use this service,
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either explicitly or via <code class="option">dnssec-lookaside auto;</code>.
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[RT #42207]
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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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If an ACL is specified with an address prefix in which the
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prefix length is longer than the address portion (for example,
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192.0.2.1/8), <span class="command"><strong>named</strong></span> will now log a warning.
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In future releases this will be a fatal configuration error.
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[RT #43367]
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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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Windows installs were failing due to triggering UAC without
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the installation binary being signed.
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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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A change in the internal binary representation of the RBT database
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node structure enabled a race condition to occur (especially when
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BIND was built with certain compilers or optimizer settings),
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leading to inconsistent database state which caused random
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assertion failures. [RT #42380]
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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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Referencing a nonexistent zone in a <span class="command"><strong>response-policy</strong></span>
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statement could cause an assertion failure during configuration.
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[RT #43787]
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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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<span class="command"><strong>rndc addzone</strong></span> could cause a crash
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when attempting to add a zone with a type other than
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<span class="command"><strong>master</strong></span> or <span class="command"><strong>slave</strong></span>.
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Such zones are now rejected. [RT #43665]
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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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<span class="command"><strong>named</strong></span> could hang when encountering log
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file names with large apparent gaps in version number (for
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example, when files exist called "logfile.0", "logfile.1",
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and "logfile.1482954169"). This is now handled correctly.
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[RT #38688]
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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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If a zone was updated while <span class="command"><strong>named</strong></span> was
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processing a query for nonexistent data, it could return
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out-of-sync NSEC3 records causing potential DNSSEC validation
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failure. [RT #43247]
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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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<span class="command"><strong>named</strong></span> could crash when loading a zone
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which had RRISG records whose expiry fields were far enough
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apart to cause an integer overflow when comparing them.
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[RT #40571]
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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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The <span class="command"><strong>arpaname</strong></span> command was not installed into
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the correct <span class="command"><strong>prefix</strong></span><code class="filename">/bin</code>
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directory. [RT #42910]
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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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When receiving a response from an authoritative server with
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a TTL value of zero, <span class="command"><strong>named></strong></span> will now only use
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that response once, to answer the currently active clients that
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were waiting for it. Previously, such response could be cached
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and reused for up to one second. [RT #42142]
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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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Corrected a bug in the <span class="command"><strong>rndc</strong></span> control channel
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that could allow a read past the end of a buffer, crashing
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<span class="command"><strong>named</strong></span>. Thanks to Lian Yihan for reporting
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this error.
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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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Reverted a change to the query logging format that was
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inadvertently backported from the 9.11 branch. [RT #43238]
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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_maint"></a>Maintenance</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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The built-in root hints have been updated to include
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IPv6 addresses for B.ROOT-SERVERS.NET (2001:500:84::b),
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E.ROOT-SERVERS.NET (2001:500:a8::e) and
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G.ROOT-SERVERS.NET (2001:500:12::d0d).
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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="end_of_life"></a>End of Life</h3></div></div></div>
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<p>
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BIND 9.9 (Extended Support Version) will be supported until
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December, 2017.
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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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</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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