214 lines
7.4 KiB
Plaintext
214 lines
7.4 KiB
Plaintext
This is the source portion of BIND version 8.2.3-T2B. Its companions
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are "doc" and "contrib" so you are probably not missing anything.
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See the CHANGES file for a detailed listing of all changes. See the INSTALL
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file for information on building and installing BIND.
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See the SUPPORT file for information on obtaining commercial support for ISC
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artifacts including BIND, INN, and DHCP.
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SECURITY NOTE:
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Solaris and other pre-4.4BSD kernels do not respect ownership or
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protections on UNIX-domain sockets. This means that the default
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path for the NDC control socket (/var/run/ndc) is such that any
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user (root or other) on such systems can issue any NDC command
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except "start" and "restart". The short term fix for this is to
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override the default path and put such control sockets into root-
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owned directories which do not permit non-root to r/w/x through them.
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The medium term fix is for BIND to enforce this requirement internally.
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The long term fix is for all kernels to upgrade to 4.4BSD semantics.
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BIND 8.2.2 patchlevel 5 Highlights
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Bug in named-xfer (from patchlevel 4).
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Portability to IPv6 versions of FreeBSD, OpenBSD, NetBSD.
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Portability improvements (A/UX, AIX, IRIX, NetBSD, SCO, MPE/IX, NT).
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"also-notify" option could cause memory allocation errors.
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IXFR improvements (though client-side is still disabled).
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Contributed software upgraded (including TIS's "dns_signer").
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Several latent denial-of-service bugs fixed (from audits, not abuse).
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New "make noesw" top-level target for removing encumbered components.
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BIND 8.2.2 Highlights
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Interoperability with MS-Win2K has been improved.
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Server-side IXFR is now known to work even under high load.
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Support for Windows/NT (thanks to BayNetworks).
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More fixes, especially to DNSSEC, TSIG, IXFR, and selective forwarding.
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More portability improvements and lint removal (A/UX 3.1.1, SCO 5.0).
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Better NOTIFY behaviour, especially with large update volume.
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Better UPDATE handling, including SRV RR support and RFC compliance.
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Fix for "ndc reload ZONENAME" (specific zone reload) problems.
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Fix for round robin when multiple CNAMEs are in use.
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New "min-roots" (MINROOTS) and "serial-queries" (MAXQSERIAL) options.
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Log files are no longer auto-rotated every time the server starts up.
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New "ndc reconfig" command only finds new/deleted zones, no stat()ing.
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New global options for "transfer-source" and "also-notify".
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$GENERATE now supports more record types, and options.
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BIND 8.2.1 Highlights
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Bug fixes, especially to DNSSEC, TSIG, IXFR, and selective forwarding.
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Portability improvements and lint removal.
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Use best SOA rather than first-better when selecting an AXFR master.
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$TTL now accepts symbolic time values (such as "$TTL 1h30m").
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"ndc reload" now accepts a zone argument, for single-zone reloads.
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ndc is better behaved; is verbose or quiet when appropriate.
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event and error reporting improvements.
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BIND 8.2 Highlights
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RFC 2308 (Negative Caching)
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RFC 2181 (DNS Clarifications)
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RFC 2065 (DNS Security)
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TSIG (Transaction SIGnatures)
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support for multiple virtual name servers
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NDC uses a "control channel" now (no more signals)
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"Split DNS" via zone type "forward".
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Many bug fixes
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Documentation improvements
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Performance enhancements
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BIND 8.1.2 Highlights
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Security fixes for a number of problems including:
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An attacker could overwrite the stack if inverse query support
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was enabled.
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A number of denial of service attacks where malformed packets
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could cause the server to crash.
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The server was willing to answer queries on its forwarding
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sockets.
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Several memory leaks have been plugged.
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The server no longer panics if a periodic interface scan fails due
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to no file descriptors being available.
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Updates to a number of ports. New ports for QNX, LynxOS, HP-UX 9.x,
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and HP MPE.
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"files unlimited" now works as expected on systems where setting
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an infinite rlim_max for RLIMIT_NOFILE works.
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Adding and deleting the same record in the same dynamic update no
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longer crashes the server.
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If a dynamic update fails, rollback is now done in LIFO order instead
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of FIFO order.
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Better behavior when priming of the root servers fails.
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purge_zone() didn't work correctly for the root zone, allowing
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old data to persist after loading the zone.
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Improved handling of oversized UDP packets.
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All hosts on the also-notify list are now notified.
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The meaning of the count returned by select() varies somewhat by
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operating system, and this could cause previous releases of the
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server to spin.
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Per-host statistics may be disabled by specifying 'host-statistics no'
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in named.conf.
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The maximum number of zones has been increased from 32768 to 65536.
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query-source may specify an address and port that the server is
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already listening on. BIND 8.1.1 required that either the address
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or port be wild. E.g., you can now say:
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listen-on port 53 { 10.0.0.1; };
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query-source address 10.0.0.1 port 53;
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The value of FD_SETSIZE to use may be specified.
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Experimental -u (set user id), -g (set group id), and -t (chroot)
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command line options. See the INSTALL file for details.
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BIND 8 Features
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-> DNS Dynamic Updates (RFC 2136)
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-> DNS Change Notification (RFC 1996)
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-> Completely new configuration syntax
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-> Flexible, categorized logging system
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-> IP-address-based access control for queries, zone transfers, and
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updates that may be specified on a zone-by-zone basis
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-> More efficient zone transfers
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-> Improved performance for servers with thousands of zones
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-> The server no longer forks for outbound zone transfers
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-> Many bug fixes
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File and Directory Overview
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CHANGES history of added features and
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fixed bugs
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INSTALL how to build and install
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README this file
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TODO features planned but not yet written
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Version the version number of this release
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bin/* source for executables, including
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the nameserver
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include/* public .h files
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lib/* the resolver and various BIND
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support libraries
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port/* ports to various operating systems
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Kits, Questions, Comments, and Bug Reports
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<URL:ftp://ftp.isc.org/isc/bind/src/cur> current non-test release
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<URL:ftp://ftp.isc.org/isc/bind/src/testing> latest public test kit
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<URL:usenet:comp.protocols.dns.bind> using BIND
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<URL:usenet:comp.protocols.dns.ops> DNS operations in general
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<URL:usenet:comp.protocols.dns.std> DNS standards in general
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<URL:mailto:bind-users-request@vix.com> gw'd to u:c.p.d.bind
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<URL:mailto:namedroppers-request@internic.net> gw'd to u:c.p.d.std
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<URL:mailto:bind-workers-request@vix.com> code warriors only please
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<URL:http://www.isc.org/bind.html> the BIND home page
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<URL:mailto:bind-bugs@isc.org> bug reports
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To Support the Effort
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Note that BIND is supported by the Internet Software Consortium, and
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although it is free for use and redistribution and incorporation into
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vendor products and export and anything else you can think of, it
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costs money to produce. That money comes from ISPs, hardware and
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software vendors, companies who make extensive use of the software,
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and generally kind hearted folk such as yourself.
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The Internet Software Consortium has also commissioned a DHCP server
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implementation, has taken over official support/release of the INN
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system, and has supported the Kerberos Version 5 effort at MIT. You
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can learn more about the ISC's goals and accomplishments from the web
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page at <URL:http://www.isc.org/>.
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