BIND 9.8.3 is now available

Michael McNally mcnally at
Mon May 21 22:14:19 UTC 2012


   BIND 9.8.3 is the latest production release of BIND 9.8.

   This document summarizes changes from BIND 9.8.2 to BIND 9.8.3.

   Please see the CHANGES file in the source code release for a
   complete list of all changes.


   The latest versions of BIND 9 software can always be found on
   our web site at There you will
   find additional information about each release, source code, and
   pre-compiled versions for Microsoft Windows operating systems.


   Product support information is available at
   for paid support options. Free support is provided by our user
   community via a mailing list.  Information on all public email
   lists is available at

Security Fixes

*  Windows binary packages distributed by ISC are now built and linked
   against OpenSSL 1.0.0i

New Features

*  None

Feature Changes

*  BIND now recognizes the TLSA resource record type, created to
   support IETF DANE (DNS-based Authentication of Named Entities)
   [RT #28989]

Bug Fixes

*  The locking strategy around the handling of iterative queries
   has been tuned to reduce unnecessary contention in a multi-threaded
   environment.  (Note that this may not provide a measurable
   improvement over previous versions of BIND, but it corrects the
   performance impact of change 3309 / RT #27995) [RT #29239]

*  Addresses a race condition that can cause named to to crash when
   the masters list for a zone is updated via rndc reload/reconfig
   [RT #26732]

*  named-checkconf now correctly validates dns64 clients acl
   definitions. [RT #27631]

*  Fixes a race condition in zone.c that can cause named to crash
   during the processing of rndc delzone [RT #29028]

*  Prevents a named segfault from resolver.c due to procedure
   fctx_finddone() not being thread-safe.  [RT #27995]

*  Improves DNS64 reverse zone performance. [RT #28563]

*  Adds wire format lookup method to sdb. [RT #28563]

*  Uses hmctx, not mctx when freeing rbtdb->heaps to avoid triggering
   an assertion when flushing cache data. [RT #28571]

*  Resolves inconsistencies in locating DNSSEC keys where zone names
   contain characters that require special mappings [RT #28600]

*  A new flag -R  has been added to queryperf for running tests
   using non-recursive queries.  It also now builds correctly on
   MacOS version 10.7 (darwin)  [RT #28565]

*  Named no longer crashes if gssapi is enabled in named.conf but
   was not compiled into the binary [RT #28338]

*  SDB now handles unexpected errors from back-end database drivers
   gracefully instead of exiting on an assert. [RT #28534]

Thank You

   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

(c) 2001-2012 Internet Systems Consortium

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