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All 9.6 users with DNSSEC validation enabled should upgrade to this version, or the latest version in the 9.7 branch, prior to 2011-03-31 in order to avoid validation failures for names in .COM as described here: https://www.isc.org/announcement/bind-9-dnssec-validation-fails-new-ds-record In addition the fixes for this and other bugs, there are also the following: * Various fixes to kerberos support, including GSS-TSIG * Various fixes to avoid leaking memory, and to problems that could prevent a clean shutdown of named
166 lines
8.9 KiB
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166 lines
8.9 KiB
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title></title><link rel="stylesheet" href="release-notes.css" type="text/css" /><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /></head><body><div class="article"><div class="titlepage"><hr /></div>
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<div class="section" title="Introduction"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id3026830"></a>Introduction</h2></div></div></div>
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<p>
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BIND 9.6.3 is the current release of BIND 9.6.
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</p>
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<p>
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This document summarizes changes from BIND 9.6.2-P2 to BIND 9.6.3.
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Please see the CHANGES file in the source code release for a
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complete list of all changes.
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</p>
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</div>
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<div class="section" title="Download"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id3893341"></a>Download</h2></div></div></div>
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<p>
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The latest development version of BIND 9 software can always be found
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on our web site at
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<a class="ulink" href="http://www.isc.org/downloads/development" target="_top">http://www.isc.org/downloads/development</a>.
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There you will find additional information about each release,
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source code, and some pre-compiled versions for certain operating
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systems.
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</p>
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</div>
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<div class="section" title="Support"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id3026768"></a>Support</h2></div></div></div>
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<p>Product support information is available on
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<a class="ulink" href="http://www.isc.org/services/support" target="_top">http://www.isc.org/services/support</a>
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for paid support options. Free support is provided by our user
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community via a mailing list. Information on all public email
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lists is available at
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<a class="ulink" href="https://lists.isc.org/mailman/listinfo" target="_top">https://lists.isc.org/mailman/listinfo</a>.
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</p>
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</div>
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<div class="section" title="New Features"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id3893404"></a>New Features</h2></div></div></div>
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<div class="section" title="9.6.3"><div class="titlepage"><div><div><h3 class="title"><a id="id3893409"></a>9.6.3</h3></div></div></div>
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<p>None.</p>
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</div>
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</div>
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<div class="section" title="Feature Changes"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id3893420"></a>Feature Changes</h2></div></div></div>
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<div class="section" title="9.6.3"><div class="titlepage"><div><div><h3 class="title"><a id="id3893425"></a>9.6.3</h3></div></div></div>
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<p>None.</p>
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</div>
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</div>
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<div class="section" title="Security Fixes"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id3893436"></a>Security Fixes</h2></div></div></div>
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<div class="section" title="9.6.2-P3"><div class="titlepage"><div><div><h3 class="title"><a id="id3893441"></a>9.6.2-P3</h3></div></div></div>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
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Adding a NO DATA signed negative response to cache failed to clear
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any matching RRSIG records already in cache. A subsequent lookup
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of the cached NO DATA entry could crash named (INSIST) when the
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unexpected RRSIG was also returned with the NO DATA cache entry.
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[RT #22288] [CVE-2010-3613] [VU#706148]
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</li><li class="listitem">
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BIND, acting as a DNSSEC validator, was determining if the NS RRset
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is insecure based on a value that could mean either that the RRset
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is actually insecure or that there wasn't a matching key for the RRSIG
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in the DNSKEY RRset when resuming from validating the DNSKEY RRset.
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This can happen when in the middle of a DNSKEY algorithm rollover,
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when two different algorithms were used to sign a zone but only the
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new set of keys are in the zone DNSKEY RRset.
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[RT #22309] [CVE-2010-3614] [VU#837744]
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</li></ul></div>
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</div>
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</div>
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<div class="section" title="Bug Fixes"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id3026756"></a>Bug Fixes</h2></div></div></div>
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<div class="section" title="9.6.3"><div class="titlepage"><div><div><h3 class="title"><a id="id3026817"></a>9.6.3</h3></div></div></div>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
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BIND now builds with threads disabled in versions of NetBSD earlier
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than 5.0 and with pthreads enabled by default in NetBSD versions 5.0
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and higher. Also removes support for unproven-pthreads, mit-pthreads
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and ptl2. [RT #19203]
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</li><li class="listitem">
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HPUX now correctly defaults to using /dev/poll, which should
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increase performance. [RT #21919]
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</li><li class="listitem">
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If named is running as a threaded application, after an "rndc stop"
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command has been issued, other inbound TCP requests can cause named
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to hang and never complete shutdown. [RT #22108]
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</li><li class="listitem">
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When performing a GSS-TSIG signed dynamic zone update, memory could be
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leaked. This causes an unclean shutdown and may affect long-running
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servers. [RT #22573]
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</li><li class="listitem">
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A bug in NetBSD and FreeBSD kernels with SO_ACCEPTFILTER enabled allows
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for a TCP DoS attack. Until there is a kernel fix, ISC is disabling
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SO_ACCEPTFILTER support in BIND. [RT #22589]
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</li><li class="listitem">
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Corrected a defect where a combination of dynamic updates and zone
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transfers incorrectly locked the in-memory zone database, causing
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named to freeze. [RT #22614]
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</li><li class="listitem">
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Don't run MX checks (check-mx) when the MX record points to ".".
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[RT #22645]
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</li><li class="listitem">
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DST key reference counts can now be incremented via dst_key_attach.
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[RT #22672]
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</li><li class="listitem">
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isc_mutex_init_errcheck() in phtreads/mutex.c failed to destroy attr. [RT #22766]
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</li><li class="listitem">
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The Kerberos realm was being truncated when being pulled from the
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the host prinicipal, make krb5-self updates fail. [RT #22770]
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</li><li class="listitem">
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named failed to preserve the case of domain names in RDATA which is not compressible when writing master files. [RT #22863]
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</li><li class="listitem">
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There was a bug in how the clients-per-query code worked with some
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query patterns. This could result, in rare circumstances, in having all
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the client query slots filled with queries for the same DNS label,
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essentially ignoring the max-clients-per-query setting.
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[RT #22972]
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</li></ul></div>
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</div>
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<div class="section" title="9.6.2-P3"><div class="titlepage"><div><div><h3 class="title"><a id="id3893557"></a>9.6.2-P3</h3></div></div></div>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
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Worked around a race condition in the cache database memory
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handling. Without this fix a DNS cache DB or ADB could
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incorrectly stay in an over memory state, effectively refusing
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further caching, which subsequently made a BIND 9 caching
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server unworkable.
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[RT #21818]
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</li><li class="listitem">
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Microsoft changed the behavior of sockets between NT/XP based
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stacks vs Vista/windows7 stacks. Server 2003/2008 have the older
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behavior, 2008r2 has the new behavior. With the change, different
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error results are possible, so ISC adapted BIND to handle the new
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error results.
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This resolves an issue where sockets would shut down on
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Windows servers causing named to stop responding to queries.
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[RT #21906]
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</li><li class="listitem">
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Windows has non-POSIX compliant behavior in its rename() and unlink()
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calls. This caused journal compaction to fail on Windows BIND servers
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with the log error: "dns_journal_compact failed: failure".
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[RT #22434]
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</li></ul></div>
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</div>
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</div>
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<div class="section" title="Thank You"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id3893594"></a>Thank You</h2></div></div></div>
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<p>
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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 make
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quality open source software, please visit our donations page at
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<a class="ulink" href="http://www.isc.org/supportisc" target="_top">http://www.isc.org/supportisc</a>.
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</p>
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</div>
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</div></body></html>
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