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BIND 9
BIND version 9 is a major rewrite of nearly all aspects of the
underlying BIND architecture. Some of the important features of
BIND 9 are:
- DNS Security
DNSSEC (signed zones)
TSIG (signed DNS requests)
- IP version 6
Answers DNS queries on IPv6 sockets
IPv6 resource records (A6, DNAME, etc.)
Bitstring Labels
Experimental IPv6 Resolver Library
- DNS Protocol Enhancements
IXFR, DDNS, Notify, EDNS0
Improved standards conformance
- Views
One server process can provide multiple "views" of
the DNS namespace, e.g. an "inside" view to certain
clients, and an "outside" view to others.
- Multiprocessor Support
- Improved Portability Architecture
BIND version 9 development has been underwritten by the following
organizations:
Sun Microsystems, Inc.
Hewlett Packard
Compaq Computer Corporation
IBM
Process Software Corporation
Silicon Graphics, Inc.
Network Associates, Inc.
U.S. Defense Information Systems Agency
USENIX Association
Stichting NLnet - NLnet Foundation
BIND 9.0.1
BIND 9.0.1 is a maintenance release, containing fixes for a
number of bugs in BIND 9.0.0 but no new features (with the
exception of a few minor features added to dig, host, and
nslookup).
Like BIND 9.0.0, BIND 9.0.1 is primarily a name server software
distribution. In addition to the name server, it also includes
a new lightweight stub resolver library and associated resolver
daemon that fully support forward and reverse lookups of both
IPv4 and IPv6 addresses. This library is still considered
experimental and is not a complete replacement for the BIND 8
resolver library. In particular, applications that use the
BIND 8 res_* functions to perform DNS queries or dynamic
updates still need to be linked against the BIND 8 libraries.
BIND 9.0.1 is capable of acting as an authoritative server
for DNSSEC secured zones. This functionality is believed to
be stable and complete except for lacking support for wildcard
records in secure zones.
When acting as a caching server, BIND 9.0.1 can be configured
to perform DNSSEC secure resolution on behalf of its clients.
This part of the DNSSEC implementation is still considered
experimental. For detailed information about the state of the
DNSSEC implementation, see the file doc/misc/dnssec.
There are a few known bugs:
The option "query-source * port 53;" will not work as
expected. Instead of the wildcard address "*", you need
to use an explicit source IP address.
On some systems, IPv6 and IPv4 sockets interact in
unexpected ways. For details, see doc/misc/ipv6.
To reduce the impact of these problems, the server
no longer listens for requests on IPv6 addresses
by default. If you need to accept DNS queries over
IPv6, you must specify "listen-on-v6 { any; };"
in the named.conf options statement.
There are known problems with thread signal handling
under Solaris 2.6.
The "isc_timer_reset" test sometimes fails on HP-UX 11
for unknown reasons, but the server itself seems to
run fine.
On FreeBSD systems, the server logs error messages
like "fcntl(8, F_SETFL, 4): Inappropriate ioctl for
device". This is due to a bug in the FreeBSD
/dev/random device. The bug has been reported
to the FreeBSD maintainers. Versions of OpenBSD
prior to 2.8 have a similar problem.
The configure option --disable-ipv6 is not functional.
--with-libtool does not work on AIX.
Due to bugs in the dnssafe library, RSA keys longer
than 2000 bits are not supported.
Building
BIND 9 currently requires a UNIX system with an ANSI C compiler,
basic POSIX support, and a good pthreads implementation.
We've had successful builds and tests on the following systems:
AIX 4.3
COMPAQ Tru64 UNIX 4.0D
COMPAQ Tru64 UNIX 5 (with IPv6 EAK)
FreeBSD 3.4-STABLE
HP-UX 11
IRIX64 6.5
NetBSD-current (with unproven-pthreads-0.17)
Red Hat Linux 6.0, 6.1, 6.2
Solaris 2.6, 7, 8
Additionally, we have unverified reports of success from users
of the following systems:
Slackware Linux 7.0 with 2.4.0-test6 kernel and glibc 2.1.3
OpenBSD 2.6, 2.8, -current
To build, just
./configure
make
Several environment variables that can be set before running
configure will affect compilation:
CC
The C compiler to use. configure tries to figure
out the right one for supported systems.
CFLAGS
C compiler flags. Defaults to include -g and/or -O2
as supported by the compiler.
STD_CINCLUDES
System header file directories. Can be used to specify
where add-on thread or IPv6 support is, for example.
Defaults to empty string.
STD_CDEFINES
Any additional preprocessor symbols you want defined.
Defaults to empty string.
To build shared libraries, specify "--with-libtool" on the
configure command line.
If your operating system has integrated support for IPv6, it
will be used automatically. If you have installed KAME IPv6
separately, use "--with-kame[=PATH]" to specify its location.
To see additional configure options, run "configure --help".
"make install" will install "named" and the various BIND 9 libraries.
By default, installation is into /usr/local, but this can be changed
with the "--prefix" option when running "configure".
If you're planning on making changes to the BIND 9 source, you
should also "make depend". If you're using Emacs, you might find
"make tags" helpful.
Building with gcc is not supported, unless gcc is the vendor's usual
compiler (e.g. the various BSD systems, Linux).
Parts of the library can be tested by running "make test" from the
bin/tests subdirectory.
Documentation
The BIND 9 Administrator Reference Manual is included with the
source distribution in DocBook XML and HTML format, in the
doc/arm directory.
Some of the programs in the BIND 9 distribution have man pages
under the doc/man directory. In particular, the command line
options of "named" are documented in doc/man/bind/named.8.
The man pages are currently not installed automatically by
"make install".
If you are upgrading from BIND 8, please read the migration
notes in doc/misc/migration.
Bug Reports and Mailing Lists
Bugs reports should be sent to
bind9-bugs@isc.org
To join the BIND 9 Users mailing list, send mail to
bind9-users-request@isc.org
If you're planning on making changes to the BIND 9 source
code, you might want to join the BIND 9 Workers mailing list.
Send mail to
bind9-workers-request@isc.org
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