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<section xmlns:db="http://docbook.org/ns/docbook" version="5.0"><info/>
  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="noteversion.xml"/>
  <section xml:id="relnotes_intro"><info><title>Introduction</title></info>
    <para>
      This document summarizes significant changes since the last
      production release of BIND on the corresponding major release
      branch.
      Please see the CHANGES file for a further list of bug fixes and
      other changes.
    </para>

  </section>

  <section xml:id="relnotes_download"><info><title>Download</title></info>
    <para>
      The latest versions of BIND 9 software can always be found at
      <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.isc.org/downloads/">http://www.isc.org/downloads/</link>.
      There you will find additional information about each release,
      source code, and pre-compiled versions for Microsoft Windows
      operating systems.
    </para>
  </section>

  <section xml:id="win_support"><info><title>Legacy Windows No Longer Supported</title></info>
    <para>
      As of BIND 9.9.11, Windows XP and Windows 2003 are no longer supported
      platforms for BIND; "XP" binaries are no longer available for download
      from ISC.
    </para>
  </section>

  <section xml:id="relnotes_security"><info><title>Security Fixes</title></info>
    <itemizedlist>
      <listitem>
	<para>
	  <command>named</command> could crash during recursive processing
	  of DNAME records when <command>deny-answer-aliases</command> was
	  in use. This flaw is disclosed in CVE-2018-5740. [GL #387]
	</para>
      </listitem>
      <listitem>
	<para>
	  When recursion is enabled but the <command>allow-recursion</command>
	  and <command>allow-query-cache</command> ACLs are not specified, they
	  should be limited to local networks, but they were inadvertently set
	  to match the default <command>allow-query</command>, thus allowing
	  remote queries. This flaw is disclosed in CVE-2018-5738. [GL #309]
	</para>
      </listitem>
    </itemizedlist>
  </section>

  <section xml:id="relnotes_features"><info><title>New Features</title></info>
    <itemizedlist>
      <listitem>
	<para>
	  <command>named</command> now supports the "root key sentinel"
	  mechanism. This enables validating resolvers to indicate
	  which trust anchors are configured for the root, so that
	  information about root key rollover status can be gathered.
	  To disable this feature, add
	  <command>root-key-sentinel no;</command> to
	  <filename>named.conf</filename>.
	</para>
      </listitem>
    </itemizedlist>
  </section>

  <section xml:id="relnotes_changes"><info><title>Feature Changes</title></info>
    <itemizedlist>
      <listitem>
	<para>
	  None.
	</para>
      </listitem>
    </itemizedlist>
  </section>

  <section xml:id="relnotes_bugs"><info><title>Bug Fixes</title></info>
    <itemizedlist>
      <listitem>
	<para>
	  <command>named</command> now rejects excessively large
	  incremental (IXFR) zone transfers in order to prevent
	  possible corruption of journal files which could cause
	  <command>named</command> to abort when loading zones. [GL #339]
	</para>
      </listitem>
      <listitem>
	<para>
	  <command>rndc reload</command> could cause <command>named</command>
	  to leak memory if it was invoked before the zone loading actions
	  from a previous <command>rndc reload</command> command were
	  completed. [RT #47076]
	</para>
      </listitem>
    </itemizedlist>
  </section>

  <section xml:id="end_of_life"><info><title>End of Life</title></info>
    <para>
      BIND 9.9 (Extended Support Version) will be supported until
      June, 2018, at which time this final maintenance release will be
      published for the branch. The new Extended Support Version is BIND
      9.11, which will be supported until at least December, 2021.
      See <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://www.isc.org/downloads/software-support-policy/">https://www.isc.org/downloads/software-support-policy/</link> for details of ISC's software support policy.
    </para>
  </section>

  <section xml:id="relnotes_thanks"><info><title>Thank You</title></info>
    <para>
      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
      <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.isc.org/donate/">http://www.isc.org/donate/</link>.
    </para>
  </section>
</section>
