345 lines
11 KiB
Plaintext
345 lines
11 KiB
Plaintext
BIND 9
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BIND version 9 is a major rewrite of nearly all aspects of the
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underlying BIND architecture. Some of the important features of
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BIND 9 are:
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- DNS Security
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DNSSEC (signed zones)
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TSIG (signed DNS requests)
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- IP version 6
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Answers DNS queries on IPv6 sockets
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IPv6 resource records (AAAA)
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Experimental IPv6 Resolver Library
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- DNS Protocol Enhancements
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IXFR, DDNS, Notify, EDNS0
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Improved standards conformance
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- Views
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One server process can provide multiple "views" of
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the DNS namespace, e.g. an "inside" view to certain
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clients, and an "outside" view to others.
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- Multiprocessor Support
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- Improved Portability Architecture
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BIND version 9 development has been underwritten by the following
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organizations:
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Sun Microsystems, Inc.
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Hewlett Packard
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Compaq Computer Corporation
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IBM
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Process Software Corporation
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Silicon Graphics, Inc.
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Network Associates, Inc.
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U.S. Defense Information Systems Agency
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USENIX Association
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Stichting NLnet - NLnet Foundation
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Nominum, Inc.
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BIND 9.3.0
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BIND 9.3.0 has a number of new features over 9.2,
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including:
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DNSSEC is now DS based (RFC 3658).
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See also RFC 3845, doc/draft/draft-ietf-dnsext-dnssec-*.
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DNSSEC lookaside validation.
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check-names is now implemented.
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rrset-order in more complete.
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IPv4/IPv6 transition support, dual-stack-servers.
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IXFR deltas can now be generated when loading master files,
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ixfr-from-differences.
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It is now possible to specify the size of a journal, max-journal-size.
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It is now possible to define a named set of master servers to be
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used in masters clause, masters.
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The advertised EDNS UDP size can now be set, edns-udp-size.
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allow-v6-synthesis has been obsoleted.
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NOTE:
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* Zones containing MD and MF will now be rejected.
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* dig, nslookup name. now report "Not Implemented" as
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NOTIMP rather than NOTIMPL. This will have impact on scripts
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that are looking for NOTIMPL.
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libbind: corresponds to that from BIND 8.4.5.
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BIND 9.2.0
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BIND 9.2.0 has a number of new features over 9.1,
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including:
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- The size of the cache can now be limited using the
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"max-cache-size" option.
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- The server can now automatically convert RFC1886-style
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recursive lookup requests into RFC2874-style lookups,
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when enabled using the new option "allow-v6-synthesis".
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This allows stub resolvers that support AAAA records
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but not A6 record chains or binary labels to perform
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lookups in domains that make use of these IPv6 DNS
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features.
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- Performance has been improved.
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- The man pages now use the more portable "man" macros
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rather than the "mandoc" macros, and are installed
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by "make install".
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- The named.conf parser has been completely rewritten.
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It now supports "include" directives in more
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places such as inside "view" statements, and it no
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longer has any reserved words.
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- The "rndc status" command is now implemented.
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- rndc can now be configured automatically.
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- A BIND 8 compatible stub resolver library is now
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included in lib/bind.
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- OpenSSL has been removed from the distribution. This
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means that to use DNSSEC, OpenSSL must be installed and
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the --with-openssl option must be supplied to configure.
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This does not apply to the use of TSIG, which does not
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require OpenSSL.
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- The source distribution now builds on Windows NT/2000.
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See win32utils/readme1.txt and win32utils/win32-build.txt
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for details.
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This distribution also includes a new lightweight stub
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resolver library and associated resolver daemon that fully
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support forward and reverse lookups of both IPv4 and IPv6
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addresses. This library is considered experimental and
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is not a complete replacement for the BIND 8 resolver library.
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Applications that use the BIND 8 res_* functions to perform
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DNS lookups or dynamic updates still need to be linked against
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the BIND 8 libraries. For DNS lookups, they can also use the
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new "getrrsetbyname()" API.
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BIND 9.2 is capable of acting as an authoritative server
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for DNSSEC secured zones. This functionality is believed to
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be stable and complete except for lacking support for
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verifications involving wildcard records in secure zones.
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When acting as a caching server, BIND 9.2 can be configured
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to perform DNSSEC secure resolution on behalf of its clients.
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This part of the DNSSEC implementation is still considered
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experimental. For detailed information about the state of the
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DNSSEC implementation, see the file doc/misc/dnssec.
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There are a few known bugs:
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On some systems, IPv6 and IPv4 sockets interact in
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unexpected ways. For details, see doc/misc/ipv6.
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To reduce the impact of these problems, the server
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no longer listens for requests on IPv6 addresses
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by default. If you need to accept DNS queries over
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IPv6, you must specify "listen-on-v6 { any; };"
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in the named.conf options statement.
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FreeBSD prior to 4.2 (and 4.2 if running as non-root)
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and OpenBSD prior to 2.8 log messages like
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"fcntl(8, F_SETFL, 4): Inappropriate ioctl for device".
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This is due to a bug in "/dev/random" and impacts the
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server's DNSSEC support.
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OS X 10.1.4 (Darwin 5.4), OS X 10.1.5 (Darwin 5.5) and
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OS X 10.2 (Darwin 6.0) reports errors like
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"fcntl(3, F_SETFL, 4): Operation not supported by device".
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This is due to a bug in "/dev/random" and impacts the
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server's DNSSEC support.
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--with-libtool does not work on AIX.
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A bug in the Windows 2000 DNS server can cause zone transfers
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from a BIND 9 server to a W2K server to fail. For details,
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see the "Zone Transfers" section in doc/misc/migration.
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For a detailed list of user-visible changes from
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previous releases, see the CHANGES file.
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Building
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BIND 9 currently requires a UNIX system with an ANSI C compiler,
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basic POSIX support, and a 64 bit integer type.
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We've had successful builds and tests on the following systems:
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COMPAQ Tru64 UNIX 5.1B
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FreeBSD 4.10, 5.2.1
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HP-UX 11.11
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NetBSD 1.5
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Slackware Linux 8.1
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Solaris 8, 9, 9 (x86)
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Windows NT/2000/XP/2003
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Additionally, we have unverified reports of success building
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previous versions of BIND 9 from users of the following systems:
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AIX 5L
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SuSE Linux 7.0
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Slackware Linux 7.x, 8.0
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Red Hat Linux 7.1
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Debian GNU/Linux 2.2 and 3.0
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Mandrake 8.1
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OpenBSD 2.6, 2.8, 2.9
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UnixWare 7.1.1
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HP-UX 10.20
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BSD/OS 4.2
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Mac OS X 10.1
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To build, just
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./configure
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make
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Do not use a parallel "make".
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Several environment variables that can be set before running
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configure will affect compilation:
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CC
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The C compiler to use. configure tries to figure
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out the right one for supported systems.
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CFLAGS
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C compiler flags. Defaults to include -g and/or -O2
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as supported by the compiler.
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STD_CINCLUDES
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System header file directories. Can be used to specify
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where add-on thread or IPv6 support is, for example.
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Defaults to empty string.
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STD_CDEFINES
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Any additional preprocessor symbols you want defined.
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Defaults to empty string.
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Possible settings:
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Change the default syslog facility of named/lwresd.
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-DISC_FACILITY=LOG_LOCAL0
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Enable DNSSEC signature chasing support in dig.
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-DDIG_SIGCHASE=1 (sets -DDIG_SIGCHASE_TD=1 and
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-DDIG_SIGCHASE_BU=1)
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LDFLAGS
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Linker flags. Defaults to empty string.
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To build shared libraries, specify "--with-libtool" on the
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configure command line.
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For the server to support DNSSEC, you need to build it
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with crypto support. You must have OpenSSL 0.9.5a
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or newer installed and specify "--with-openssl" on the
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configure command line. If OpenSSL is installed under
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a nonstandard prefix, you can tell configure where to
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look for it using "--with-openssl=/prefix".
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To build libbind (the BIND 8 resolver library), specify
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"--enable-libbind" on the configure command line.
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On some platforms, BIND 9 can be built with multithreading
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support, allowing it to take advantage of multiple CPUs.
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You can specify whether to build a multithreaded BIND 9
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by specifying "--enable-threads" or "--disable-threads"
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on the configure command line. The default is operating
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system dependent.
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If your operating system has integrated support for IPv6, it
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will be used automatically. If you have installed KAME IPv6
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separately, use "--with-kame[=PATH]" to specify its location.
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"make install" will install "named" and the various BIND 9 libraries.
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By default, installation is into /usr/local, but this can be changed
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with the "--prefix" option when running "configure".
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You may specify the option "--sysconfdir" to set the directory
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where configuration files like "named.conf" go by default,
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and "--localstatedir" to set the default parent directory
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of "run/named.pid". For backwards compatibility with BIND 8,
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--sysconfdir defaults to "/etc" and --localstatedir defaults to
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"/var" if no --prefix option is given. If there is a --prefix
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option, sysconfdir defaults to "$prefix/etc" and localstatedir
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defaults to "$prefix/var".
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To see additional configure options, run "configure --help".
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Note that the help message does not reflect the BIND 8
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compatibility defaults for sysconfdir and localstatedir.
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If you're planning on making changes to the BIND 9 source, you
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should also "make depend". If you're using Emacs, you might find
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"make tags" helpful.
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If you need to re-run configure please run "make distclean" first.
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This will ensure that all the option changes take.
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Building with gcc is not supported, unless gcc is the vendor's usual
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compiler (e.g. the various BSD systems, Linux).
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* gcc-3.2.1 and gcc-3.1.1 is known to cause problems with solaris-x86.
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* gcc prior to gcc-3.2.3 ultrasparc generates incorrect code at -02.
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A limited test suite can be run with "make test". Many of
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the tests require you to configure a set of virtual IP addresses
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on your system, and some require Perl; see bin/tests/system/README
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for details.
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Documentation
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The BIND 9 Administrator Reference Manual is included with the
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source distribution in DocBook XML and HTML format, in the
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doc/arm directory.
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Some of the programs in the BIND 9 distribution have man pages
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in their directories. In particular, the command line
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options of "named" are documented in /bin/named/named.8.
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There is now also a set of man pages for the lwres library.
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If you are upgrading from BIND 8, please read the migration
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notes in doc/misc/migration. If you are upgrading from
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BIND 4, read doc/misc/migration-4to9.
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Frequently asked questions and their answers can be found in
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FAQ.
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Bug Reports and Mailing Lists
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Bugs reports should be sent to
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bind9-bugs@isc.org
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To join the BIND Users mailing list, send mail to
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bind-users-request@isc.org
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archives of which can be found via
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http://www.isc.org/ops/lists/
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If you're planning on making changes to the BIND 9 source
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code, you might want to join the BIND Workers mailing list.
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Send mail to
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bind-workers-request@isc.org
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