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BIND 9.9.5b1 Release Notes
Author: Reference Number: AA-01074 Views: 2897 Created: 2013-12-18 00:16 Last Updated: 2013-12-20 23:23 0 Rating/ Voters

BIND 9.9.5b1 is the first beta release of BIND 9.9.5.

This document summarizes changes from BIND 9.9.4 to BIND 9.9.5b1. There was not a previous development release. 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.


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Security Fixes
  • Treat an all zero netmask as invalid when generating the localnets acl to workaround bug on Windows platform. [CVE-2013-6230] [RT #34687]
New Features
  • Add the ability to specify ndots to "nslookup". [RT #34711]
  • Introduce a new tool "dnssec-importkey" to allow externally-generated DNSKEY to be imported into the DNSKEY management framework. [RT #34698]
  • Check that EDNS subnet client options are well formed. [RT #34718]
  • "named" now preserves the capitalization of names when responding to queries. [RT #34737]
  • Include a comment in .nzf files (used for adding new zones via "rndc"), giving the name of the associated view. [RT #34765]
  • Use separate rate limiting queues for refresh and notify requests. [RT #30589]
  • Adjust when a master server is deemed unreachable to be less aggressive. [RT #27075]
  • Create delegations for all "children" of empty zones except "forward first". [RT #34826]
  • Changed the name of "" developers script (for outputting compiler and linker flags) to "bind9-config". [RT #23825]
  • Add "dig" option to keep the TCP socket open between successive queries (+[no]keepopen).  [RT #34918]
  • Add dns_client_createx2() function to DNS Client API to provide a way to specify the local address for use when sending update packets. [RT #34811]
  • "named-checkconf -z" now checks zones of type hint as well as master. [RT #35046]
  • Update config.guess and config.sub to add support for ppc64le (powerpc 64-bit Little Endian). [RT #35060]
  • Update the Windows build system to support feature selection and WIN64 builds. This is a work in progress. [RT #34160]
  • Add a more detailed "not found" message to "rndc" commands which specify a zone name. [RT #35059]
  • Add "dnssec-signzone -Q" switch to drop signatures from keys that are still published but no longer active.  [RT #34990]

Bug Fixes
  • Treat type 65533 (KEYDATA) as opaque except when used in a key zone. [RT #34238]
  • Fix "host" and "nslookup" so don't need dot after the domain by checking ndots when searching. Only continue searching on NXDOMAIN responses. [RT #34711]
  • Handle changes to sig-validity-interval settings better. [RT #34625]
  • Fix bug where journal filename string could be set incorrectly, causing garbage in log messages. [RT #34738]
  • Address a race condition when shutting down a zone. [RT #34750]
  • Address race condition with manual notify requests. [RT #34806]
  • Fix nslookup crash where some readline clones don't accept NULL pointers when calling add_history. [RT #34842]
  • Fix Linux compilation issue when libcap-devel is installed. [RT #34838]
  • Fix installation on Solaris -- don't add explict make dependancies/rules for python programs as make won't use the implicit rules. [RT #34835]
  • Fix hanging server with inline-signed zones by addressing lock order reversal deadlock with inline zones. [RT #34856]
  • Fix "host" failure if a UDP query timed out. [RT #34870]
  • Address bugs in dns_rdata_fromstruct and dns_rdata_tostruct for WKS and ISDN types. [RT #34910]
  • Updated OpenSSL PKCS#11 patches to fix active list locking and other bugs. [RT #34855]
  • Fix a potential hang with failure to release lock on error in receive_secure_db. #34944]
  • Fix cast in lex.c which could see 0xff treated as EOF. This fixes issue with potential bad data in a database used by DLZ or SDB.  [RT #34993]
  • Fix build issue on newer FreeBSD needing -lhx509 for GSSAPI build. [RT #35001]
  • Address read after free in server side of lwres_getrrsetbyname. [RT #29075]
  • Fix "nsupdate" memory leak if "realm" was used multiple times. [RT #35073]
  • Fix "dig" for cleaning up TCP sockets still waiting on connect(). [RT #35074]
  • Fix "dnssec-importkey" so imported key won't overwrite an existing non-imported private key.
  • Fix issue where queries covered by a disabled Response Policy Zone (query type was '*') are answered with TTL of 0. [RT #35026]
  • Fix "nsupdate" memory leak if "realm" was used multiple times. [RT #35073]
  • Fix "dig" for cleaning up TCP sockets still waiting on connect(). [RT #35074]
  • Fix issue with "rndc retransfer" with inline-signing replacing NSEC3 with NSEC records. [RT #34745]
  • Fix issue with "rndc refresh" failing to sign slave zones using inline-signing. [RT #35105]
  • Fix potential hang (detected by our inline-signing system test) with null pointer dereference in libdns zone_xfrdone.  [RT #35042]
  • Address bug in libdns loadnode function that could return a freed node on out of memory. [RT #35106]
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

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