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BIND 9.8.3-P3 Release Notes
Author: ISC Support Reference Number: AA-00789 Views: 1845 Created: 2012-09-11 23:50 Last Updated: 2012-09-11 23:54 0 Rating/ Voters
Introduction

BIND 9.8.3-P3 is the latest production release of BIND 9.8.

This document summarizes changes from BIND 9.8.2 to BIND 9.8.3-P3.  Please see the CHANGES file in the source code release for a complete list of all changes.

Download
The latest versions of BIND 9 software can always be found on our web site at http://www.isc.org/downloads/all. There you will find additional information about each release, source code, and pre-compiled versions for Microsoft Windows operating systems.
Support
Product support information is available on http://www.isc.org/support 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 https://lists.isc.org/mailman/listinfo.
Security Fixes
  • Prevents a named assert (crash) when queried for a record whose RDATA exceeds 65535 bytes.  [RT #30416]
  • Prevents a named assert (crash) when validating caused by using "Bad cache" data before it has been initialized.  [RT #30025]
  • A condition has been corrected where improper handling of zero-length RDATA could cause undesirable behavior, including termination of the named process.  [RT #29644]
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
  • Fixes the defect introduced by change #3314 that was causing failures when saving stub zones to disk (resulting in excessive CPU usage in some cases).  [RT #29952]
  • 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 http://www.isc.org/supportisc.

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