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71cef386fae61275b03e203825680b39fedaa8c6Tinderbox User - Copyright (C) 2000-2017 Internet Systems Consortium, Inc. ("ISC")
5347c0fcb04eaea19d9f39795646239f487c6207Tinderbox User - This Source Code Form is subject to the terms of the Mozilla Public
5347c0fcb04eaea19d9f39795646239f487c6207Tinderbox User - License, v. 2.0. If a copy of the MPL was not distributed with this
5347c0fcb04eaea19d9f39795646239f487c6207Tinderbox User - file, You can obtain one at http://mozilla.org/MPL/2.0/.
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60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<link rel="next" href="Bv9ARM.ch10.html" title="Appendix�B.�A Brief History of the DNS and BIND">
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60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<tr><th colspan="3" align="center">Appendix�A.�Release Notes</th></tr>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<a accesskey="p" href="Bv9ARM.ch08.html">Prev</a>�</td>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<td width="20%" align="right">�<a accesskey="n" href="Bv9ARM.ch10.html">Next</a>
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User<div class="titlepage"><div><div><h1 class="title">
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User<a name="Bv9ARM.ch09"></a>Release Notes</h1></div></div></div>
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt<dt><span class="section"><a href="Bv9ARM.ch09.html#id-1.10.2">Release Notes for BIND Version 9.11.2</a></span></dt>
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_intro">Introduction</a></span></dt>
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_download">Download</a></span></dt>
af40ebed6257e4ac1996144530b3de317cf4da11Tinderbox User<dt><span class="section"><a href="Bv9ARM.ch09.html#root_key">New DNSSEC Root Key</a></span></dt>
af40ebed6257e4ac1996144530b3de317cf4da11Tinderbox User<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_license">License Change</a></span></dt>
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt<dt><span class="section"><a href="Bv9ARM.ch09.html#win_support">Windows XP No Longer Supported</a></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_security">Security Fixes</a></span></dt>
2b4d1b54f6ca406b8233d9e6fea9593df6dad035Tinderbox User<dt><span class="section"><a href="Bv9ARM.ch09.html#proto_changes">Protocol Changes</a></span></dt>
2b4d1b54f6ca406b8233d9e6fea9593df6dad035Tinderbox User<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_changes">Feature Changes</a></span></dt>
2b4d1b54f6ca406b8233d9e6fea9593df6dad035Tinderbox User<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_bugs">Bug Fixes</a></span></dt>
2b4d1b54f6ca406b8233d9e6fea9593df6dad035Tinderbox User<dt><span class="section"><a href="Bv9ARM.ch09.html#end_of_life">End of Life</a></span></dt>
2b4d1b54f6ca406b8233d9e6fea9593df6dad035Tinderbox User<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_thanks">Thank You</a></span></dt>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<div class="titlepage"><div><div><h2 class="title" style="clear: both">
af40ebed6257e4ac1996144530b3de317cf4da11Tinderbox User<a name="id-1.10.2"></a>Release Notes for BIND Version 9.11.2</h2></div></div></div>
44d0f0256fbdce130a18655023c3b06bacacbd61Automatic Updater<div class="titlepage"><div><div><h3 class="title">
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt<a name="relnotes_intro"></a>Introduction</h3></div></div></div>
17fdbf542a0db30107b200403c51a72fe62c218dTinderbox User This document summarizes changes since the last production
17fdbf542a0db30107b200403c51a72fe62c218dTinderbox User release on the BIND 9.11 branch.
17fdbf542a0db30107b200403c51a72fe62c218dTinderbox User Please see the <code class="filename">CHANGES</code> file for a further
17fdbf542a0db30107b200403c51a72fe62c218dTinderbox User list of bug fixes and other changes.
17fdbf542a0db30107b200403c51a72fe62c218dTinderbox User<div class="titlepage"><div><div><h3 class="title">
17fdbf542a0db30107b200403c51a72fe62c218dTinderbox User<a name="relnotes_download"></a>Download</h3></div></div></div>
17fdbf542a0db30107b200403c51a72fe62c218dTinderbox User The latest versions of BIND 9 software can always be found at
17fdbf542a0db30107b200403c51a72fe62c218dTinderbox User <a class="link" href="http://www.isc.org/downloads/" target="_top">http://www.isc.org/downloads/</a>.
6f64d4ab8e68f9b2333bcbfc755396d29a4a9d7cAutomatic Updater There you will find additional information about each release,
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt source code, and pre-compiled versions for Microsoft Windows
44d0f0256fbdce130a18655023c3b06bacacbd61Automatic Updater operating systems.
bbbf2e27d3a981163dab139497d6b2dc85449db0Tinderbox User<div class="titlepage"><div><div><h3 class="title">
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User<a name="root_key"></a>New DNSSEC Root Key</h3></div></div></div>
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User ICANN is in the process of introducing a new Key Signing Key (KSK) for
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User the global root zone. BIND has multiple methods for managing DNSSEC
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User trust anchors, with somewhat different behaviors. If the root
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User key is configured using the <span class="command"><strong>managed-keys</strong></span>
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User statement, or if the pre-configured root key is enabled by using
44d0f0256fbdce130a18655023c3b06bacacbd61Automatic Updater <span class="command"><strong>dnssec-validation auto</strong></span>, then BIND can keep keys up
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt to date automatically. Servers configured in this way should have
44d0f0256fbdce130a18655023c3b06bacacbd61Automatic Updater begun the process of rolling to the new key when it was published in
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User the root zone in July 2017. However, keys configured using the
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User <span class="command"><strong>trusted-keys</strong></span> statement are not automatically
bcf15a19ae0efa72a22cdfb50666a3c6ce39eb9fTinderbox User maintained. If your server is performing DNSSEC validation and is
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt configured using <span class="command"><strong>trusted-keys</strong></span>, you are advised to
bcf15a19ae0efa72a22cdfb50666a3c6ce39eb9fTinderbox User change your configuration before the root zone begins signing with
fd2597f75693a2279fdf588bd40dfe2407c42028Tinderbox User the new KSK. This is currently scheduled for October 11, 2017.
260e8e04b0dc24cb884c789b5d9eb046457f264eTinderbox User This release includes an updated version of the
260e8e04b0dc24cb884c789b5d9eb046457f264eTinderbox User <code class="filename">bind.keys</code> file containing the new root
260e8e04b0dc24cb884c789b5d9eb046457f264eTinderbox User key. This file can also be downloaded from
260e8e04b0dc24cb884c789b5d9eb046457f264eTinderbox User <a class="link" href="https://www.isc.org/bind-keys" target="_top">
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<div class="titlepage"><div><div><h3 class="title">
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<a name="relnotes_license"></a>License Change</h3></div></div></div>
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User With the release of BIND 9.11.0, ISC changed to the open
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User source license for BIND from the ISC license to the Mozilla
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Public License (MPL 2.0).
71c66a876ecca77923638d3f94cc0783152b2f03Mark Andrews The MPL-2.0 license requires that if you make changes to
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein licensed software (e.g. BIND) and distribute them outside
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt your organization, that you publish those changes under that
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein same license. It does not require that you publish or disclose
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein anything other than the changes you made to our software.
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User This new requirement will not affect anyone who is using BIND
71c66a876ecca77923638d3f94cc0783152b2f03Mark Andrews without redistributing it, nor anyone redistributing it without
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt changes, therefore this change will be without consequence
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt for most individuals and organizations who are using BIND.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Those unsure whether or not the license change affects their
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein use of BIND, or who wish to discuss how to comply with the
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User license may contact ISC at <a class="link" href="https://www.isc.org/mission/contact/" target="_top">
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt<div class="titlepage"><div><div><h3 class="title">
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt<a name="win_support"></a>Windows XP No Longer Supported</h3></div></div></div>
dec590a3deb8e87380a8bd3a77d535dba3729bf6Tinderbox User As of BIND 9.11.2, Windows XP is no longer a supported platform for
dec590a3deb8e87380a8bd3a77d535dba3729bf6Tinderbox User BIND, and Windows XP binaries are no longer available for download
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<div class="titlepage"><div><div><h3 class="title">
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User<a name="relnotes_security"></a>Security Fixes</h3></div></div></div>
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein An error in TSIG handling could permit unauthorized zone
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein transfers or zone updates. These flaws are disclosed in
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein CVE-2017-3142 and CVE-2017-3143. [RT #45383]
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt The BIND installer on Windows used an unquoted service path,
852ccdd42a71550c974111b49415204ffeca6573Automatic Updater which can enable privilege escalation. This flaw is disclosed
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User in CVE-2017-3141. [RT #45229]
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt With certain RPZ configurations, a response with TTL 0
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt could cause <span class="command"><strong>named</strong></span> to go into an infinite
852ccdd42a71550c974111b49415204ffeca6573Automatic Updater query loop. This flaw is disclosed in CVE-2017-3140.
66f25f2ceeb589e67efe7af2413baaa3426b0042Automatic Updater<div class="titlepage"><div><div><h3 class="title">
66f25f2ceeb589e67efe7af2413baaa3426b0042Automatic Updater<a name="proto_changes"></a>Protocol Changes</h3></div></div></div>
66f25f2ceeb589e67efe7af2413baaa3426b0042Automatic Updater <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User BIND can now use the Ed25519 and Ed448 Edwards Curve DNSSEC
38417cbfb1a328c20b5b723b8584a02c57f88897Automatic Updater signing algorithms described in RFC 8080. Note, however, that
38417cbfb1a328c20b5b723b8584a02c57f88897Automatic Updater these algorithms must be supported in OpenSSL;
38417cbfb1a328c20b5b723b8584a02c57f88897Automatic Updater currently they are only available in the development branch
38417cbfb1a328c20b5b723b8584a02c57f88897Automatic Updater <a class="link" href="https://github.com/openssl/openssl" target="_top">https://github.com/openssl/openssl</a>.
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User EDNS KEY TAG options are verified and printed.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<div class="titlepage"><div><div><h3 class="title">
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<a name="relnotes_changes"></a>Feature Changes</h3></div></div></div>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User The ISC DNSSEC Lookaside Validation (DLV) service has been shut
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein down; all DLV records in the dlv.isc.org zone have been removed.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein References to the service have been removed from BIND documentation.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Lookaside validation is no longer used by default by
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="command"><strong>delv</strong></span>. The DLV key has been removed from
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <code class="filename">bind.keys</code>. [RT #46155]
3a5fe5abf08f16b8d31ab8ee9a788063110ef000Automatic Updater Previously, <span class="command"><strong>update-policy local;</strong></span> accepted
3a5fe5abf08f16b8d31ab8ee9a788063110ef000Automatic Updater updates from any source so long as they were signed by the
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein locally-generated session key. This has been further restricted;
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User updates are now only accepted from locally configured addresses.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="command"><strong>dig +ednsopt</strong></span> now accepts the names
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User for EDNS options in addition to numeric values. For example,
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User an EDNS Client-Subnet option could be sent using
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="command"><strong>dig +ednsopt=ecs:...</strong></span>. Thanks to
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein John Worley of Secure64 for the contribution. [RT #44461]
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Threads in <span class="command"><strong>named</strong></span> are now set to human-readable
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein names to assist debugging on operating systems that support that.
b05bdb520d83f7ecaad708fe305268c3420be01dMark Andrews Threads will have names such as "isc-timer", "isc-sockmgr",
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein "isc-worker0001", and so on. This will affect the reporting of
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt subsidiary thread names in <span class="command"><strong>ps</strong></span> and
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="command"><strong>top</strong></span>, but not the main thread. [RT #43234]
794b79e6bbc3f5db1ea6ae154d739b9f1ef1a375Tinderbox User DiG now warns about .local queries which are reserved for
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt Multicast DNS. [RT #44783]
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User<div class="titlepage"><div><div><h3 class="title">
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User<a name="relnotes_bugs"></a>Bug Fixes</h3></div></div></div>
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
794b79e6bbc3f5db1ea6ae154d739b9f1ef1a375Tinderbox User When <span class="command"><strong>named</strong></span> was reconfigured, failure of some
794b79e6bbc3f5db1ea6ae154d739b9f1ef1a375Tinderbox User zones to load correctly could leave the system in an inconsistent
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt state; while generally harmless, this could lead to a crash later
794b79e6bbc3f5db1ea6ae154d739b9f1ef1a375Tinderbox User when using <span class="command"><strong>rndc addzone</strong></span>. Reconfiguration changes
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User are now fully rolled back in the event of failure. [RT #45841]
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User Fixed a bug that was introduced in an earlier development
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein release which caused multi-packet AXFR and IXFR messages to fail
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein validation if not all packets contained TSIG records; this
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User caused interoperability problems with some other DNS
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User implementations. [RT #45509]
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Reloading or reconfiguring <span class="command"><strong>named</strong></span> could
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User fail on some platforms when LMDB was in use. [RT #45203]
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Due to some incorrectly deleted code, when BIND was
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein built with LMDB, zones that were deleted via
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="command"><strong>rndc delzone</strong></span> were removed from the
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein running server but were not removed from the new zone
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt database, so that deletion did not persist after a
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein server restart. This has been corrected. [RT #45185]
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein Semicolons are no longer escaped when printing CAA and
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein URI records. This may break applications that depend on the
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt presence of the backslash before the semicolon. [RT #45216]
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User AD could be set on truncated answer with no records present
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein in the answer and authority sections. [RT #45140]
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<div class="titlepage"><div><div><h3 class="title">
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<a name="end_of_life"></a>End of Life</h3></div></div></div>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein The end of life for BIND 9.11 is yet to be determined but
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein will not be before BIND 9.13.0 has been released for 6 months.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <a class="link" href="https://www.isc.org/downloads/software-support-policy/" target="_top">https://www.isc.org/downloads/software-support-policy/</a>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<div class="titlepage"><div><div><h3 class="title">
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<a name="relnotes_thanks"></a>Thank You</h3></div></div></div>
a1b05dea35aa30b152a47115e18bbe679d3fcf19Mark Andrews Thank you to everyone who assisted us in making this release possible.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews If you would like to contribute to ISC to assist us in continuing to
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein make quality open source software, please visit our donations page at
7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User <a class="link" href="http://www.isc.org/donate/" target="_top">http://www.isc.org/donate/</a>.
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7911e6f9de303bca5a3d8b34f4330c8f7cecffaeTinderbox User<td width="40%" align="right" valign="top">�Appendix�B.�A Brief History of the <acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym>
af40ebed6257e4ac1996144530b3de317cf4da11Tinderbox User<p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.2</p>