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213 lines
8.9 KiB
XML
213 lines
8.9 KiB
XML
<!DOCTYPE book [
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<!ENTITY Scaron "Š">
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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 iacute "í">
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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 9.14 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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<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_versions"><info><title>Note on Version Numbering</title></info>
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<para>
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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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</para>
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</section>
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<section xml:id="relnotes_platforms"><info><title>Supported Platforms</title></info>
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<para>
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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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</para>
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<para>
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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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</para>
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<para>
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More information can be found in the <filename>PLATFORM.md</filename>
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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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</para>
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<para>
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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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</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_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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Two new metrics have been added to the
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<command>statistics-channel</command> to report DNSSEC
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signing operations. For each key in each zone, the
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<command>dnssec-sign</command> counter indicates the total
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number of signatures <command>named</command> has generated
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using that key since server startup, and the
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<command>dnssec-refresh</command> 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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</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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When <command>qname-minimization</command> was set to
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<command>relaxed</command>, some improperly configured domains
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would fail to resolve, but would have succeeded if minimization
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were disabled. <command>named</command> 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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</para>
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</listitem>
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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="relnotes_license"><info><title>License</title></info>
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<para>
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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 <filename>LICENSE</filename>
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file for the full text).
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</para>
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<para>
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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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</para>
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<para>
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Those wishing to discuss license compliance may contact ISC at
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<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="end_of_life"><info><title>End of Life</title></info>
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<para>
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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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<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>
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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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