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76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<title>Appendix�A.�Release Notes</title>
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76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<tr><th colspan="3" align="center">Appendix�A.�Release Notes</th></tr>
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76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass</div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<div class="appendix">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<div class="titlepage"><div><div><h1 class="title">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<a name="Bv9ARM.ch09"></a>Release Notes</h1></div></div></div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<div class="toc">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<p><b>Table of Contents</b></p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dl class="toc">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#id-1.10.2">Release Notes for BIND Version 9.11.2rc1</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dd><dl>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_intro">Introduction</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_download">Download</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#root_key">New DNSSEC Root Key</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_license">License Change</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_security">Security Fixes</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_changes">Feature Changes</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_bugs">Bug Fixes</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#end_of_life">End of Life</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<dt><span class="section"><a href="Bv9ARM.ch09.html#relnotes_thanks">Thank You</a></span></dt>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass</dl></dd>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass</dl>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass</div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <div class="section">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<div class="titlepage"><div><div><h2 class="title" style="clear: both">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<a name="id-1.10.2"></a>Release Notes for BIND Version 9.11.2rc1</h2></div></div></div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <div class="section">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<div class="titlepage"><div><div><h3 class="title">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<a name="relnotes_intro"></a>Introduction</h3></div></div></div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass This document summarizes changes since the last production
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass release on the BIND 9.11 branch.
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass Please see the <code class="filename">CHANGES</code> file for a further
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass list of bug fixes and other changes.
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <div class="section">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<div class="titlepage"><div><div><h3 class="title">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<a name="relnotes_download"></a>Download</h3></div></div></div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass The latest versions of BIND 9 software can always be found at
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <a class="link" href="http://www.isc.org/downloads/" target="_top">http://www.isc.org/downloads/</a>.
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass There you will find additional information about each release,
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass source code, and pre-compiled versions for Microsoft Windows
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass operating systems.
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <div class="section">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<div class="titlepage"><div><div><h3 class="title">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<a name="root_key"></a>New DNSSEC Root Key</h3></div></div></div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass ICANN is in the process of introducing a new Key Signing Key (KSK) for
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass the global root zone. BIND has multiple methods for managing DNSSEC
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass trust anchors, with somewhat different behaviors. If the root
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass key is configured using the <span class="command"><strong>managed-keys</strong></span>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass statement, or if the pre-configured root key is enabled by using
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <span class="command"><strong>dnssec-validation auto</strong></span>, then BIND can keep
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass keys up to date automatically. Servers configured in this way
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass will roll seamlessly to the new key when it is published in
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass the root zone. However, keys configured using the
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <span class="command"><strong>trusted-keys</strong></span> statement are not automatically
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass maintained. If your server is performing DNSSEC validation
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass and is configured using <span class="command"><strong>trusted-keys</strong></span>, you are
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass advised to change your configuration before the root zone begins
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass signing with the new KSK. This is currently scheduled for
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass October 11, 2017.
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass This release includes an updated version of the
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <code class="filename">bind.keys</code> file containing the new root
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass key. This file can also be downloaded from
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <a class="link" href="https://www.isc.org/bind-keys" target="_top">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass https://www.isc.org/bind-keys
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </a>.
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <div class="section">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<div class="titlepage"><div><div><h3 class="title">
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass<a name="relnotes_license"></a>License Change</h3></div></div></div>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass With the release of BIND 9.11.0, ISC changed to the open
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass source license for BIND from the ISC license to the Mozilla
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass Public License (MPL 2.0).
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass The MPL-2.0 license requires that if you make changes to
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass licensed software (e.g. BIND) and distribute them outside
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass your organization, that you publish those changes under that
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass same license. It does not require that you publish or disclose
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass anything other than the changes you made to our software.
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass </p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass <p>
76ca635d61eb3f9fb7c9d788a44fa8b1690aa138Dav Glass This new requirement will not affect anyone who is using BIND
without redistributing it, nor anyone redistributing it without
changes, therefore this change will be without consequence
for most individuals and organizations who are using BIND.
</p>
<p>
Those unsure whether or not the license change affects their
use of BIND, or who wish to discuss how to comply with the
license may contact ISC at <a class="link" href="https://www.isc.org/mission/contact/" target="_top">
https://www.isc.org/mission/contact/</a>.
</p>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_security"></a>Security Fixes</h3></div></div></div>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>
An error in TSIG handling could permit unauthorized zone
transfers or zone updates. These flaws are disclosed in
CVE-2017-3142 and CVE-2017-3143. [RT #45383]
</p>
</li>
<li class="listitem">
<p>
The BIND installer on Windows used an unquoted service path,
which can enable privilege escalation. This flaw is disclosed
in CVE-2017-3141. [RT #45229]
</p>
</li>
<li class="listitem">
<p>
With certain RPZ configurations, a response with TTL 0
could cause <span class="command"><strong>named</strong></span> to go into an infinite
query loop. This flaw is disclosed in CVE-2017-3140.
[RT #45181]
</p>
</li>
</ul></div>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_changes"></a>Feature Changes</h3></div></div></div>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>
<span class="command"><strong>dig +ednsopt</strong></span> now accepts the names
for EDNS options in addition to numeric values. For example,
an EDNS Client-Subnet option could be sent using
<span class="command"><strong>dig +ednsopt=ecs:...</strong></span>. Thanks to
John Worley of Secure64 for the contribution. [RT #44461]
</p>
</li>
<li class="listitem">
<p>
Threads in <span class="command"><strong>named</strong></span> are now set to human-readable
names to assist debugging on operating systems that support that.
Threads will have names such as "isc-timer", "isc-sockmgr",
"isc-worker0001", and so on. This will affect the reporting of
subsidiary thread names in <span class="command"><strong>ps</strong></span> and
<span class="command"><strong>top</strong></span>, but not the main thread. [RT #43234]
</p>
</li>
</ul></div>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_bugs"></a>Bug Fixes</h3></div></div></div>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>
Reloading or reconfiguring <span class="command"><strong>named</strong></span> could
fail on some platforms when LMDB was in use. [RT #45203]
</p>
</li>
<li class="listitem">
<p>
Due to some incorrectly deleted code, when BIND was
built with LMDB, zones that were deleted via
<span class="command"><strong>rndc delzone</strong></span> were removed from the
running server but were not removed from the new zone
database, so that deletion did not persist after a
server restart. This has been corrected. [RT #45185]
</p>
</li>
<li class="listitem">
<p>
Semicolons are no longer escaped when printing CAA and
URI records. This may break applications that depend on the
presence of the backslash before the semicolon. [RT #45216]
</p>
</li>
</ul></div>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="end_of_life"></a>End of Life</h3></div></div></div>
<p>
The end of life for BIND 9.11 is yet to be determined but
will not be before BIND 9.13.0 has been released for 6 months.
<a class="link" href="https://www.isc.org/downloads/software-support-policy/" target="_top">https://www.isc.org/downloads/software-support-policy/</a>
</p>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="relnotes_thanks"></a>Thank You</h3></div></div></div>
<p>
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
<a class="link" href="http://www.isc.org/donate/" target="_top">http://www.isc.org/donate/</a>.
</p>
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<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>
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