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BIND 9.4.0rc2 is now available.

From: Mark Andrews (Mark_Andrewsisc.org)
Date: Wed Jan 24 2007 - 18:26:09 CST


                BIND 9.4.0rc2 is now available.

BIND 9.4.0rc2 is a release candidate for BIND 9.4.0.

        BIND 9.4.0rc2 contains security fixes:

2126. [security] Serialise validation of type ANY responses. [RT #16555]

2124. [security] It was possible to dereference a freed fetch
                        context. [RT #16584]

2089. [security] Raise the minimum safe OpenSSL versions to
                        OpenSSL 0.9.7l and OpenSSL 0.9.8d. Versions
                        prior to these have known security flaws which
                        are (potentially) exploitable in named. [RT #16391]

2088. [security] Change the default RSA exponent from 3 to 65537.
                        [RT #16391]

2066. [security] Handle SIG queries gracefully. [RT #16300]

1941. [bug] ncache_adderesult() should set eresult even if no
                        rdataset is passed to it. [RT #15642]

        If you are running a BIND 9.3.x or BIND 9.4.x version without
        these changes you are advised to upgrade as soon as possible to
        one of BIND 9.3.4 or BIND 9.4.0rc2.

        Please as a minimum please perform a test build on your
        operating system. We don't have test platforms for every
        operating system and sometimes we accidently break builds.
        Now is the time to tell us about that.

        Now is the time to report any bugs introduced in this release
        cycle. Except for *major* bugs, all bugs which pre-date
        this release cycle will be deferred until the next release.
        The aim is to be better than and definitely no worse than
        the last release. Bugs should be reported to bind9-bugsisc.org.

BIND 9.4 has a number of new features over BIND 9.3, including:

        Implemented "additional section caching" (or "acache"), an
        internal cache framework for additional section content to
        improve response performance. Several configuration options
        were provided to control the behavior.

        New notify type 'master-only'. Enable notify for master
        zones only.

        Accept 'notify-source' style syntax for query-source.

        rndc now allows addresses to be set in the server clauses.

        New option "allow-query-cache". This lets allow-query be
        used to specify the default zone access level rather than
        having to have every zone override the global value.
        allow-query-cache can be set at both the options and view
        levels. If allow-query-cache is not set allow-query applies.

        rndc: the source address can now be specified.

        ixfr-from-differences now takes master and slave in addition
        to yes and no at the options and view levels.

        Allow the journal's name to be changed via named.conf.

        'rndc notify zone [class [view]]' resend the NOTIFY messages
        for the specified zone.

        'dig +trace' now randomly selects the next servers to try.
        Report if there is a bad delegation.

        Improve check-names error messages.

        Make public the function to read a key file, dst_key_read_public().

        dig now returns the byte count for axfr/ixfr.
                        
        allow-update is now settable at the options / view level.

        named-checkconf now checks the logging configuration.

        host now can turn on memory debugging flags with '-m'.

        Don't send notify messages to self.

        Perform sanity checks on NS records which refer to 'in zone' names.

        New zone option "notify-delay". Specify a minimum delay
        between sets of NOTIFY messages.

        Extend adjusting TTL warning messages.

        Named and named-checkzone can now both check for non-terminal
        wildcard records.

        "rndc freeze/thaw" now freezes/thaws all zones.

        named-checkconf now check acls to verify that they only
        refer to existing acls.

        The server syntax has been extended to support a range of
        servers.

        Report differences between hints and real NS rrset and
        associated address records.

        Preserve the case of domain names in rdata during zone
        transfers.

        Restructured the data locking framework using architecture
        dependent atomic operations (when available), improving
        response performance on multi-processor machines significantly.
        x86, x86_64, alpha, powerpc, and mips are currently supported.

        UNIX domain controls are now supported.

        Add support for additional zone file formats for improving
        loading performance. The masterfile-format option in
        named.conf can be used to specify a non-default format. A
        separate command named-compilezone was provided to generate
        zone files in the new format. Additionally, the -I and -O
        options for dnssec-signzone specify the input and output
        formats.

        dnssec-signzone can now randomize signature end times
        (dnssec-signzone -j jitter).

        Add support for CH A record.

        Add additional zone data consistancy checks. named-checkzone
        has extended checking of NS, MX and SRV record and the hosts
        they reference. named has extended post zone load checks.
        New zone options: check-mx and integrity-check.

        edns-udp-size can now be overridden on a per server basis.

        dig can now specify the EDNS version when making a query.

        Added framework for handling multiple EDNS versions.

        Additional memory debugging support to track size and mctx
        arguments.

        Detect duplicates of UDP queries we are recursing on and
        drop them. New stats category "duplicates".

        Memory management. "USE INTERNAL MALLOC" is now runtime selectable.

        The lame cache is now done on a <qname,qclass,qtype> basis
        as some servers only appear to be lame for certain query
        types.

        Limit the number of recursive clients that can be waiting
        for a single query (<qname,qtype,qclass>) to resolve. New
        options clients-per-query and max-clients-per-query.

        dig: report the number of extra bytes still left in the
        packet after processing all the records.

        Support for IPSECKEY rdata type.

        Raise the UDP receive buffer size to 32k if it is less than 32k.

        x86 and x86_64 now have separate atomic locking implementations.

        named-checkconf now validates update-policy entries.

        Attempt to make the amount of work performed in a iteration
        self tuning. The covers nodes clean from the cache per
        iteration, nodes written to disk when rewriting a master
        file and nodes destroyed per iteration when destroying a
        zone or a cache.

        ISC string copy API.

        Automatic empty zone creation for D.F.IP6.ARPA and friends.
        Note: RFC 1918 zones are not yet covered by this but are
        likely to be in a future release.

        New options: empty-server, empty-contact, empty-zones-enable
        and disable-empty-zone.

        dig now has a '-q queryname' and '+showsearch' options.

        host/nslookup now continue (default)/fail on SERVFAIL.

        dig now warns if 'RA' is not set in the answer when 'RD'
        was set in the query. host/nslookup skip servers that fail
        to set 'RA' when 'RD' is set unless a server is explicitly
        set.

        Integrate contributed DLZ code into named.

        Integrate contributed IDN code from JPNIC.

        Validate pending NS RRsets, in the authority section, prior
        to returning them if it can be done without requiring DNSKEYs
        to be fetched.

        It is now possible to configure named to accept expired
        RRSIGs. Default "dnssec-accept-expired no;". Setting
        "dnssec-accept-expired yes;" leaves named vulnerable to
        replay attacks.

        Additional memory leakage checks.

        The maximum EDNS UDP response named will send can now be
        set in named.conf (max-udp-size). This is independent of
        the advertised receive buffer (edns-udp-size).

        Named now falls back to advertising EDNS with a 512 byte
        receive buffer if the initial EDNS queries fail.

        Control the zeroing of the negative response TTL to a soa
        query. Defaults "zero-no-soa-ttl yes;" and
        "zero-no-soa-ttl-cache no;".
                        
        Separate out MX and SRV to CNAME checks.

        dig/nslookup/host: warn about missing "QR".

        TSIG HMACSHA1, HMACSHA224, HMACSHA256, HMACSHA384 and
        HMACSHA512 support.

        dnssec-signzone: output the SOA record as the first record
        in the signed zone.

        Two new update policies. "selfsub" and "selfwild".

        dig, nslookup and host now advertise a 4096 byte EDNS UDP
        buffer size by default.

        Report when a zone is removed.

        DS/DLV SHA256 digest algorithm support.

        Implement "rrset-order fixed".

        Check the KSK flag when updating a secure dynamic zone.
        New zone option "update-check-ksk yes;".

        It is now possible to explicitly enable DNSSEC validation.
        default dnssec-validation no; to be changed to yes in 9.5.0.

        It is now possible to enable/disable DNSSEC validation
        from rndc. This is useful for the mobile hosts where the
        current connection point breaks DNSSEC (firewall/proxy).

                rndc validation newstate [view]

        dnssec-signzone can now update the SOA record of the signed
        zone, either as an increment or as the system time().

        Statistics about acache now recorded and sent to log.

        libbind: corresponds to that from BIND 8.4.7.

BIND 9.4.0rc2 can be downloaded from

        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/bind-9.4.0rc2.tar.gz

The PGP signature of the distribution is at

        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/bind-9.4.0rc2.tar.gz.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/bind-9.4.0rc2.tar.gz.sha256.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/bind-9.4.0rc2.tar.gz.sha512.asc

The signature was generated with the ISC public key, which is
available at <http://www.isc.org/about/openpgp/pgpkey2006.txt>.

A binary kit for Windows NT 4.0 is at

        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.nt4.zip
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.nt4.debug.zip

The PGP signature of the binary kit for Windows NT 4.0 is at
        
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.nt4.zip.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.nt4.zip.sha256.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.nt4.zip.sha512.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.nt4.debug.zip.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.nt4.debug.zip.sha256.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.nt4.debug.zip.sha512.asc

Note: BIND 9.4.0 will be the last binary release for Windows NT 4.0.

A binary kit for Windows 2000, Windows XP and Window 2003 is at

        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.zip
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.debug.zip

The PGP signature of the binary kit for Windows 2000, Windows XP and
Window 2003 is at
        
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.zip.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.zip.sha256.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.zip.sha512.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.debug.zip.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.debug.zip.sha256.asc
        ftp://ftp.isc.org/isc/bind9/9.4.0rc2/BIND9.4.0rc2.debug.zip.sha512.asc

Changes since 9.4.0a1.

        --- 9.4.0rc2 released ---

2127. [port] Improved OpenSSL 0.9.8 support. [RT #16563]

2126. [security] Serialise validation of type ANY responses. [RT #16555]

2125. [bug] dns_zone_getzeronosoattl() REQUIRE failure if DLZ
                        was defined. [RT #16574]

2124. [security] It was possible to dereference a freed fetch
                        context. [RT #16584]

2120. [doc] Fix markup on nsupdate man page. [RT #16556]

        --- 9.4.0rc1 released ---

2118. [bug] Handle response with long chains of domain name
                        compression pointers which point to other compression
                        pointers. [RT #16427]

2117. [bug] DNSSEC fixes: named could fail to cache NSEC records
                        which could lead to validation failures. named didn't
                        handle negative DS responses that were in the process
                        of being validated. Check CNAME bit before accepting
                        NODATA proof. To be able to ignore a child NSEC there
                        must be SOA (and NS) set in the bitmap. [RT #16399]

2116. [bug] 'rndc reload' could cause the cache to continually
                        be cleaned. [RT #16401]

2115. [bug] 'rndc reconfig' could trigger a INSIST if the
                        number of masters for a zone was reduced. [RT #16444]

2114. [bug] dig/host/nslookup: searches for names with multiple
                        labels were failing. [RT #16447]

2113. [bug] nsupdate: if a zone is specified it should be used
                        for server discover. [RT# 16455]

2112. [security] Warn if weak RSA exponent is used. [RT #16460]

2111. [bug] Fix a number of errors reported by Coverity.
                        [RT #16507]

2110. [bug] "minimal-response yes;" interacted badly with BIND 8
                        priming queries. [RT #16491]

2109. [port] libbind: silence aix 5.3 compiler warnings. [RT #16502]

2107. [bug] dighost.c: more cleanup of buffers. [RT #16499]

2104. [port] Fix Solaris SMF error message.

2103. [port] Add /usr/sfw to list of locations for OpenSSL
                        under Solaris.

2102. [port] Silence solaris 10 warnings.

        --- 9.4.0b4 released ---

2101. [bug] OpenSSL version checks were not quite right.
                        [RT #16476]

2100. [port] win32: copy libeay32.dll to Build\Debug.
                        Copy Debug\named-checkzone to Debug\named-compilezone.

2099. [port] win32: more manifiest issues.

2098. [bug] Race in rbtdb.c:no_references(), which occasionally
                        triggered an INSIST failure about the node lock
                        reference. [RT #16411]

        --- 9.4.0b3 released ---

2097. [bug] named could reference a destroyed memory context
                        after being reloaded / reconfigured. [RT #16428]

2096. [bug] libbind: handle applications that fail to detect
                        res_init() failures better.

2095. [port] libbind: alway prototype inet_cidr_ntop_ipv6() and
                        net_cidr_ntop_ipv6(). [RT #16388]
 
2094. [contrib] Update named-bootconf. [RT# 16404]

2093. [bug] named-checkzone -s was broken.

2092. [bug] win32: dig, host, nslookup. Use registry config
                        if resolv.conf does not exist or no nameservers
                        listed. [RT #15877]

2091. [port] dighost.c: race condition on cleanup. [RT #16417]

2090. [port] win32: Visual C++ 2005 command line manifest support.
                        [RT #16417]

2089. [security] Raise the minimum safe OpenSSL versions to
                        OpenSSL 0.9.7l and OpenSSL 0.9.8d. Versions
                        prior to these have known security flaws which
                        are (potentially) exploitable in named. [RT #16391]

2088. [security] Change the default RSA exponent from 3 to 65537.
                        [RT #16391]

2087. [port] libisc failed to compile on OS's w/o a vsnprintf.
                        [RT #16382]

2086. [port] libbind: FreeBSD now has get*by*_r() functions.
                        [RT #16403]

2085. [doc] win32: added index.html and README to zip. [RT #16201]

2084. [contrib] dbus update for 9.3.3rc2.

2083. [port] win32: Visual C++ 2005 support.

2082. [doc] Document 'cache-file' as a test only option.

        --- 9.4.0b2 released ---

2081. [port] libbind: minor 64-bit portability fix in memcluster.c.
                        [RT #16360]

2080. [port] libbind: res_init.c did not compile on older versions
                        of Solaris. [RT #16363]

2079. [bug] The lame cache was not handling multiple types
                        correctly. [RT #16361]

2078. [bug] dnssec-checkzone output style "default" was badly
                        named. It is now called "relative". [RT #16326]

2077. [bug] 'dnssec-signzone -O raw' wasn't outputing the
                        complete signed zone. [RT #16326]

2076. [bug] Several files were missing #include <config.h>
                        causing build failures on OSF. [RT #16341]

2075. [bug] The spillat timer event hander could leak memory.
                        [RT #16357]

2074. [bug] dns_request_createvia2(), dns_request_createvia3(),
                        dns_request_createraw2() and dns_request_createraw3()
                        failed to send multiple UDP requests. [RT #16349]

2073. [bug] Incorrect semantics check for update policy "wildcard".
                        [RT #16353]

2072. [bug] We were not generating valid HMAC SHA digests.
                        [RT #16320]

2071. [port] Test whether gcc accepts -fno-strict-aliasing.
                        [RT #16324]

2070. [bug] The remote address was not always displayed when
                        reporting dispatch failures. [RT #16315]

2069. [bug] Cross compiling was not working. [RT #16330]

2068. [cleanup] Lower incremental tuning message to debug 1.
                        [RT #16319]

2067. [bug] 'rndc' could close the socket too early triggering
                        a INSIST under Windows. [RT #16317]

2066. [security] Handle SIG queries gracefully. [RT #16300]

2065. [bug] libbind: probe for HPUX prototypes for
                        endprotoent_r() and endservent_r(). [RT 16313]

2064. [bug] libbind: silence AIX compiler warnings. [RT #16218]

2063. [bug] Change #1955 introduced a bug which caused the first
                        'rndc flush' call to not free memory. [RT #16244]

2062. [bug] 'dig +nssearch' was reusing a buffer before it had
                        been returned by the socket code. [RT #16307]

2061. [bug] Accept expired wildcard message reversed. [RT #16296]

2060. [bug] Enabling DLZ support could leave views partially
                        configured. [RT #16295]

        --- 9.4.0b1 released ---

2059. [bug] Search into cache rbtdb could trigger an INSIST
                        failure while cleaning up a stale rdataset.
                        [RT #16292]

2058. [bug] Adjust how we calculate rtt estimates in the presence
                        of authoritative servers that drop EDNS and/or CD
                        requests. Also fallback to EDNS/512 and plain DNS
                        faster for zones with less than 3 servers. [RT #16187]

2057. [bug] Make setting "ra" dependent on both allow-query-cache
                        and allow-recursion. [RT #16290]

2056. [bug] dig: ixfr= was not being treated case insensitively
                        at all times. [RT #15955]

2055. [bug] Missing goto after dropping multicast query.
                        [RT #15944]

2054. [port] freebsd: do not explicitly link against -lpthread.
                        [RT #16170]

2053. [port] netbsd:libbind: silence compiler warnings. [RT #16220]

2052. [bug] 'rndc' improve connect failed message to report
                        the failing address. [RT #15978]

2051. [port] More strtol() fixes. [RT #16249]

2050. [bug] Parsing of NSAP records was not case insensitive.
                        [RT #16287]

2049. [bug] Restore SOA before AXFR when falling back from
                        a attempted IXFR when transfering in a zone.
                        Allow a initial SOA query before attempting
                        a AXFR to be requested. [RT #16156]

2048. [bug] It was possible to loop forever when using
                        avoid-v4-udp-ports / avoid-v6-udp-ports when
                        the OS always returned the same local port.
                        [RT #16182]

2047. [bug] Failed to initialise the interface flags to zero.
                        [RT #16245]

2046. [bug] rbtdb.c:rdataset_setadditional() could cause duplicate
                        cleanup [RT #16247].

2045. [func] Use lock buckets for acache entries to limit memory
                        consumption. [RT #16183]

2044. [port] Add support for atomic operations for Itanium.
                        [RT #16179]

2043. [port] nsupdate/nslookup: Force the flushing of the prompt
                        for interactive sessions. [RT#16148]

2042. [bug] named-checkconf was incorrectly rejecting the
                        logging category "config". [RT #16117]

2041. [bug] "configure --with-dlz-bdb=yes" produced a bad
                        set of libraries to be linked. [RT #16129]

2040. [bug] rbtdb no_references() could trigger an INSIST
                        failure with --enable-atomic. [RT #16022]

2039. [func] Check that all buffers passed to the socket code
                        have been retrieved when the socket event is freed.
                        [RT #16122]

2038. [bug] dig/nslookup/host was unlinking from wrong list
                        when handling errors. [RT #16122]

2037. [func] When unlinking the first or last element in a list
                        check that the list head points to the element to
                        be unlinked. [RT #15959]

2036. [bug] 'rndc recursing' could cause trigger a REQUIRE.
                        [RT #16075]

2034. [bug] gcc: set -fno-strict-aliasing. [RT #16124]

2033. [bug] We wern't creating multiple client memory contexts
                        on demand as expected. [RT #16095]

        --- 9.4.0a6 released ---

2032. [bug] Remove a INSIST in query_addadditional2(). [RT #16074]

2031. [bug] Emit a error message when "rndc refresh" is called on
                        a non slave/stub zone. [RT # 16073]

2030. [bug] We were being overly conservative when disabling
                        openssl engine support. [RT #16030]

2029. [bug] host printed out the server multiple times when
                        specified on the command line. [RT #15992]

2028. [port] linux: socket.c compatability for old systems.
                        [RT #16015]

2027. [port] libbind: Solaris x86 support. [RT #16020]

2026. [bug] Rate limit the two recursive client exceeded messages.
                        [RT #16044]

2025. [func] Update "zone serial unchanged" message. [RT #16026]

2024. [bug] named emited spurious "zone serial unchanged"
                        messages on reload. [RT #16027]

2023. [bug] "make install" should create ${localstatedir}/run and
                        ${sysconfdir} if they do not exist. [RT #16033]

2022. [bug] If dnssec validation is disabled only assert CD if
                        CD was requested. [RT #16037]

2021. [bug] dnssec-enable no; triggered a REQUIRE. [RT #16037]

2020. [bug] rdataset_setadditional() could leak memory. [RT #16034]

2019. [tuning] Reduce the amount of work performed per quantum
                        when cleaning the cache. [RT #15986]

2018. [bug] Checking if the HMAC MD5 private file was broken.
                        [RT #15960]

2017. [bug] allow-query default was not correct. [RT #15946]

2016. [bug] Return a partial answer if recursion is not
                        allowed but requested and we had the answer
                        to the original qname. [RT #15945]

        --- 9.4.0a5 released ---

2015. [cleanup] use-additional-cache is now acache-enable for
                        consistancy. Default acache-enable off in BIND 9.4
                        as it requires memory usage to be configured.
                        It may be enabled by default in BIND 9.5 once we
                        have more experience with it.

2014. [func] Statistics about acache now recorded and sent
                        to log. [RT #15976]

2013. [bug] Handle unexpected TSIGs on unsigned AXFR/IXFR
                        responses more gracefully. [RT #15941]

2012. [func] Don't insert new acache entries if acache is full.
                        [RT #15970]

2011. [func] dnssec-signzone can now update the SOA record of
                        the signed zone, either as an increment or as the
                        system time(). [RT #15633]

        --- 9.4.0a4 released ---

2009. [bug] libbind: coverity fixes. [RT #15808]

2008. [func] It is now posssible to enable/disable DNSSEC
                        validation from rndc. This is useful for the
                        mobile hosts where the current connection point
                        breaks DNSSEC (firewall/proxy). [RT #15592]

                                rndc validation newstate [view]

2007. [func] It is now possible to explicitly enable DNSSEC
                        validation. default dnssec-validation no; to
                        be changed to yes in 9.5.0. [RT #15674]

2006. [security] Allow-query-cache and allow-recursion now default
                        to the builtin acls "localnets" and "localhost".

                        This is being done to make caching servers less
                        attractive as reflective amplifying targets for
                        spoofed traffic. This still leave authoritative
                        servers exposed.

                        The best fix is for full BCP 38 deployment to
                        remove spoofed traffic.

2005. [bug] libbind: Retransmission timeouts should be
                        based on which attempt it is to the nameserver
                        and not the nameserver itself. [RT #13548]

2004. [bug] dns_tsig_sign() could pass a NULL pointer to
                        dst_context_destroy() when cleaning up after a
                        error. [RT #15835]

2003. [bug] libbind: The DNS name/address lookup functions could
                        occasionally follow a random pointer due to
                        structures not being completely zeroed. [RT #15806]

2002. [bug] libbind: tighten the constraints on when
                        struct addrinfo._ai_pad exists. [RT #15783]

2001. [func] Check the KSK flag when updating a secure dynamic zone.
                        New zone option "update-check-ksk yes;". [RT #15817]

2000. [bug] memmove()/strtol() fix was incomplete. [RT #15812]

1999. [func] Implement "rrset-order fixed". [RT #13662]

1998. [bug] Restrict handling of fifos as sockets to just SunOS.
                        This allows named to connect to entropy gathering
                        daemons that use fifos instead of sockets. [RT #15840]

1997. [bug] Named was failing to replace negative cache entries
                        when a positive one for the type was learnt.
                        [RT #15818]

1996. [bug] nsupdate: if a zone has been specified it should
                        appear in the output of 'show'. [RT #15797]

1995. [bug] 'host' was reporting multiple "is an alias" messages.
                        [RT #15702]

1994. [port] OpenSSL 0.9.8 support. [RT #15694]

1993. [bug] Log messsage, via syslog, were missing the space
                        after the timestamp if "print-time yes" was specified.
                        [RT #15844]

1992. [bug] Not all incoming zone transfer messages included the
                        view. [RT #15825]

1991. [cleanup] The configuration data, once read, should be treated
                        as readonly. Expand the use of const to enforce this
                        at compile time. [RT #15813]

1990. [bug] libbind: isc's override of broken gettimeofday()
                        implementions was not always effective.
                        [RT #15709]

1989. [bug] win32: don't check the service password when
                        re-installing. [RT #15882]

1988. [bug] Remove a bus error from the SHA256/SHA512 support.
                        [RT #15878]

1987. [func] DS/DLV SHA256 digest algorithm support. [RT #15608]

1986. [func] Report when a zone is removed. [RT #15849]

1985. [protocol] DLV has now been assigned a official type code of
                        32769. [RT #15807]

                        Note: care should be taken to ensure you upgrade
                        both named and dnssec-signzone at the same time for
                        zones with DLV records where named is the master
                        server for the zone. Also any zones that contain
                        DLV records should be removed when upgrading a slave
                        zone. You do not however have to upgrade all
                        servers for a zone with DLV records simultaniously.

1984. [func] dig, nslookup and host now advertise a 4096 byte
                        EDNS UDP buffer size by default. [RT #15855]

1983. [func] Two new update policies. "selfsub" and "selfwild".
                        [RT #12895]

1982. [bug] DNSKEY was being accepted on the parent side of
                        a delegation. KEY is still accepted there for
                        RFC 3007 validated updates. [RT #15620]

1981. [bug] win32: condition.c:wait() could fail to reattain
                        the mutex lock.

1980. [func] dnssec-signzone: output the SOA record as the
                        first record in the signed zone. [RT #15758]

1979. [port] linux: allow named to drop core after changing
                        user ids. [RT #15753]

1978. [port] Handle systems which have a broken recvmsg().
                        [RT #15742]

1977. [bug] Silence noisy log message. [RT #15704]

1976. [bug] Handle systems with no IPv4 addresses. [RT #15695]

1975. [bug] libbind: isc_gethexstring() could misparse multi-line
                        hex strings with comments. [RT #15814]

1974. [doc] List each of the zone types and associated zone
                        options seperately in the ARM.

1973. [func] TSIG HMACSHA1, HMACSHA224, HMACSHA256, HMACSHA384 and
                        HMACSHA512 support. [RT #13606]

1972. [contrib] DBUS dynamic forwarders integation from
                        Jason Vas Dias <jvdiasredhat.com>.

1971. [port] linux: make detection of missing IF_NAMESIZE more
                        robust. [RT #15443]

1970. [bug] nsupdate: adjust UDP timeout when falling back to
                        unsigned SOA query. [RT #15775]

1969. [bug] win32: the socket code was freeing the socket
                        structure too early. [RT #15776]

1968. [bug] Missing lock in resolver.c:validated(). [RT #15739]

1967. [func] dig/nslookup/host: warn about missing "QR". [RT #15779]

1966. [bug] Don't set CD when we have fallen back to plain DNS.
                        [RT #15727]

1965. [func] Suppress spurious "recusion requested but not
                        available" warning with 'dig +qr'. [RT #15780].

1964. [func] Seperate out MX and SRV to CNAME checks. [RT #15723]

1963. [port] Tru64 4.0E doesn't support send() and recv().
                        [RT #15586]

1962. [bug] Named failed to clear old update-policy when it
                        was removed. [RT #15491]

1961. [bug] Check the port and address of responses forwarded
                        to dispatch. [RT #15474]

1960. [bug] Update code should set NSEC ttls from SOA MINIMUM.
                        [RT #15465]

1959. [func] Control the zeroing of the negative response TTL to
                        a soa query. Defaults "zero-no-soa-ttl yes;" and
                        "zero-no-soa-ttl-cache no;". [RT #15460]

1958. [bug] Named failed to update the zone's secure state
                        until the zone was reloaded. [RT #15412]

1957. [bug] Dig mishandled responses to class ANY queries.
                        [RT #15402]

1956. [bug] Improve cross compile support, 'gen' is now built
                        by native compiler. See README for additional
                        cross compile support information. [RT #15148]

1955. [bug] Pre-allocate the cache cleaning interator. [RT #14998]

1954. [func] Named now falls back to advertising EDNS with a
                        512 byte receive buffer if the initial EDNS queries
                        fail. [RT #14852]

1953. [func] The maximum EDNS UDP response named will send can
                        now be set in named.conf (max-udp-size). This is
                        independent of the advertised receive buffer
                        (edns-udp-size). [RT #14852]

1952. [port] hpux: tell the linker to build a runtime link
                        path "-Wl,+b:". [RT #14816].

1951. [security] Drop queries from particular well known ports.
                        Don't return FORMERR to queries from particular
                        well known ports. [RT #15636]
                        
1950. [port] Solaris 2.5.1 and earlier cannot bind() then connect()
                        a TCP socket. This prevents the source address being
                        set for TCP connections. [RT #15628]

1949. [func] Addition memory leakage checks. [RT #15544]

1948. [bug] If was possible to trigger a REQUIRE failure in
                        xfrin.c:maybe_free() if named ran out of memory.
                        [RT #15568]

1947. [func] It is now possible to configure named to accept
                        expired RRSIGs. Default "dnssec-accept-expired no;".
                        Setting "dnssec-accept-expired yes;" leaves named
                        vulnerable to replay attacks. [RT #14685]

1946. [bug] resume_dslookup() could trigger a REQUIRE failure
                        when using forwarders. [RT #15549]

1945. [cleanup] dnssec-keygen: RSA (RSAMD5) is nolonger recommended.
                        To generate a RSAMD5 key you must explicitly request
                        RSAMD5. [RT #13780]
                        
1944. [cleanup] isc_hash_create() does not need a read/write lock.
                        [RT #15522]

1943. [bug] Set the loadtime after rolling forward the journal.
                        [RT #15647]

1597. [func] Allow notify-source and query-source to be specified
                        on a per server basis similar to transfer-source.
                        [RT #6496]

        --- 9.4.0a3 released ---

1942. [bug] If the name of a DNSKEY match that of one in
                        trusted-keys do not attempt to validate the DNSKEY
                        using the parents DS RRset. [RT #15649]

1941. [bug] ncache_adderesult() should set eresult even if no
                        rdataset is passed to it. [RT #15642]

1940. [bug] Fixed a number of error conditions reported by
                        Coverity.

1939. [bug] The resolver could dereference a null pointer after
                        validation if all the queries have timed out.
                        [RT #15528]

1938. [bug] The validator was not correctly handling unsecure
                        negative responses at or below a SEP. [RT #15528]

1937. [bug] sdlz doesn't handle RRSIG records. [RT #15564]

1936. [bug] The validator could leak memory. [RT #15544]

1935. [bug] 'acache' was DO sensitive. [RT #15430]

1934. [func] Validate pending NS RRsets, in the authority section,
                        prior to returning them if it can be done without
                        requiring DNSKEYs to be fetched. [RT #15430]

1919. [contrib] queryperf: a set of new features: collecting/printing
                        response delays, printing intermediate results, and
                        adjusting query rate for the "target" qps.

        --- 9.4.0a2 released ---

1933. [bug] dump_rdataset_raw() had a incorrect INSIST. [RT #15534]

1932. [bug] hpux: LDFLAGS was getting corrupted. [RT #15530]

1931. [bug] Per-client mctx could require a huge amount of memory,
                        particularly for a busy caching server. [RT #15519]

1930. [port] HPUX: ia64 support. [RT #15473]

1929. [port] FreeBSD: extend use of PTHREAD_SCOPE_SYSTEM.

1928. [bug] Race in rbtdb.c:currentversion(). [RT #15517]

1927. [bug] Access to soanode or nsnode in rbtdb violated the
                        lock order rule and could cause a dead lock.
                        [RT# 15518]

1926. [bug] The Windows installer did not check for empty
                        passwords. BINDinstall was being installed in
                        the wrong place. [RT #15483]

1925. [port] All outer level AC_TRY_RUNs need cross compiling
                        defaults. [RT #15469]

1924. [port] libbind: hpux ia64 support. [RT #15473]

1923. [bug] ns_client_detach() called too early. [RT #15499]

1922. [bug] check-tool.c:setup_logging() missing call to
                        dns_log_setcontext().

1921. [bug] Client memory contexts were not using internal
                        malloc. [RT# 15434]

1920. [bug] The cache rbtdb lock array was too small to
                        have the desired performance characteristics.
                        [RT #15454]

        --- 9.4.0a1 released ---