165 lines
6.5 KiB
XML
165 lines
6.5 KiB
XML
<!DOCTYPE book [
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<!ENTITY Scaron "Š">
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<!ENTITY ccaron "č">
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<!ENTITY aacute "á">
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<!ENTITY mdash "—">
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<!ENTITY ouml "ö">]>
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<!--
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- Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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-
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- This Source Code Form is subject to the terms of the Mozilla Public
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- License, v. 2.0. If a copy of the MPL was not distributed with this
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- file, You can obtain one at http://mozilla.org/MPL/2.0/.
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-
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- See the COPYRIGHT file distributed with this work for additional
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- information regarding copyright ownership.
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-->
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<section xmlns:db="http://docbook.org/ns/docbook" version="5.0"><info/>
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="noteversion.xml"/>
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<section xml:id="relnotes_intro"><info><title>Introduction</title></info>
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<para>
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BIND 9.11 (Extended Support Version) 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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</para>
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<para>
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Please see the file <filename>CHANGES</filename> for a more
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detailed list of changes and bug fixes.
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</para>
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</section>
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<section xml:id="relnotes_download"><info><title>Download</title></info>
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<para>
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The latest versions of BIND 9 software can always be found at
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<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.isc.org/downloads/">http://www.isc.org/downloads/</link>.
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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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</para>
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</section>
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<section xml:id="relnotes_license"><info><title>License Change</title></info>
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<para>
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With the release of BIND 9.11.0, ISC changed to the open
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source license for BIND from the ISC license to the Mozilla
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Public License (MPL 2.0).
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</para>
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<para>
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The MPL-2.0 license requires that if you make changes to
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licensed software (e.g. BIND) and distribute them outside
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your organization, that you publish those changes under that
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same license. It does not require that you publish or disclose
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anything other than the changes you made to our software.
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</para>
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<para>
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This requirement will not affect anyone who is using BIND, with
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or without modifications, without redistributing it, nor anyone
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redistributing it without changes. Therefore, this change will be
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without consequence for most individuals and organizations who are
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using BIND.
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</para>
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<para>
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Those unsure whether or not the license change affects their
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use of BIND, or who wish to discuss how to comply with the
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license may contact ISC at <link
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xlink:href="https://www.isc.org/mission/contact/">
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https://www.isc.org/mission/contact/</link>.
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</para>
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</section>
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<section xml:id="relnotes_security"><info><title>Security Fixes</title></info>
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<itemizedlist>
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<listitem>
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<para>
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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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</para>
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</listitem>
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</itemizedlist>
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</section>
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<section xml:id="relnotes_features"><info><title>New Features</title></info>
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<itemizedlist>
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<listitem>
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<para>
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The new GeoIP2 API from MaxMind is now supported when BIND
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is compiled using <command>configure --with-geoip2</command>.
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The legacy GeoIP API can be used by compiling with
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<command>configure --with-geoip</command> 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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</para>
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<para>
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The default path to the GeoIP2 databases will be set based
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on the location of the <command>libmaxminddb</command> library;
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for example, if it is in <filename>/usr/local/lib</filename>,
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then the default path will be
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<filename>/usr/local/share/GeoIP</filename>.
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This value can be overridden in <filename>named.conf</filename>
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using the <command>geoip-directory</command> option.
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</para>
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<para>
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Some <command>geoip</command> ACL settings that were available with
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legacy GeoIP, including searches for <command>netspeed</command>,
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<command>org</command>, 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 <command>country</command>, <command>city</command>,
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<command>domain</command>, <command>isp</command>, and
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<command>as</command>. All of the databases support both IPv4
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and IPv6 lookups. [GL #182]
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</para>
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</listitem>
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<listitem>
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<para>
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A SipHash 2-4 based DNS Cookie (RFC 7873) algorithm has been added.
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</para>
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<para>
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If you are running multiple DNS Servers (different versions of BIND 9
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or DNS server from multiple vendors) responding from the same IP
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address (anycast or load-balancing scenarios), you'll have to make
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sure that all the servers are configured with the same DNS Cookie
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algorithm and same Server Secret for the best performance.
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</para>
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</listitem>
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<listitem>
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<para>
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DS records included in DNS referral messages can now be validated
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and cached immediately, reducing the number of queries needed for
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a DNSSEC validation. [GL #964]
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</para>
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</listitem>
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</itemizedlist>
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</section>
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<section xml:id="relnotes_bugs"><info><title>Bug Fixes</title></info>
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<itemizedlist>
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<listitem>
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<para>
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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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</para>
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</listitem>
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</itemizedlist>
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</section>
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<section xml:id="end_of_life"><info><title>End of Life</title></info>
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<para>
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BIND 9.11 (Extended Support Version) will be supported until at
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least December, 2021.
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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.
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</para>
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</section>
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<section xml:id="relnotes_thanks"><info><title>Thank You</title></info>
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<para>
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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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<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.isc.org/donate/">http://www.isc.org/donate/</link>.
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</para>
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</section>
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</section>
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