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RedHat 9 (Linux i386) - man page for named (redhat section 8)

NAMED(8)										 NAMED(8)

       named - Internet domain name server

       named [ -c config-file ]  [ -d debug-level ]  [ -f ]  [ -g ]  [ -n #cpus ]  [ -p port ]	[
       -s ]  [ -t directory ]  [ -u user ]  [ -v ]  [ -x cache-file ]

       named is a Domain Name System (DNS) server, part of the BIND 9 distribution from ISC.  For
       more information on the DNS, see RFCs 1033, 1034, and 1035.

       When   invoked	without  arguments,  named  will  read	the  default  configuration  file
       /etc/named.conf, read any initial data, and listen for queries.

       -c config-file
	      Use config-file as the configuration file instead of the default,  /etc/named.conf.
	      To  ensure that reloading the configuration file continues to work after the server
	      has changed its working directory due to to a possible directory option in the con-
	      figuration file, config-file should be an absolute pathname.

       -d debug-level
	      Set  the	daemon's  debug level to debug-level.  Debugging traces from named become
	      more verbose as the debug level increases.

       -f     Run the server in the foreground (i.e. do not daemonize).

       -g     Run the server in the foreground and force all logging to stderr.

       -n #cpus
	      Create #cpus worker threads to take advantage of multiple CPUs. If  not  specified,
	      named  will  try	to determine the number of CPUs present and create one thread per
	      CPU.  If it is unable to determine the number of CPUs, a single worker thread  will
	      be created.

       -p port
	      Listen for queries on port port. If not specified, the default is port 53.

       -s     Write memory usage statistics to stdout on exit.

	      Note:  This option is mainly of interest to BIND 9 developers and may be removed or
	      changed in a future release.

       -t directory
	      chroot() to directory after processing the command line arguments, but before read-
	      ing the configuration file.

	      Warning: This option should be used in conjunction with the -u option, as chrooting
	      a process running as root  doesn't  enhance  security  on  most  systems;  the  way
	      chroot() is defined allows a process with root privileges to escape a chroot jail.

       -u user
	      setuid()	to  user after completing privileged operations, such as creating sockets
	      that listen on privileged ports.

	      Note: On Linux, named uses the kernel's capability mechanism to drop all root priv-
	      ileges  except  the ability to bind() to a privileged port and set process resource
	      limits.  Unfortunately, this means that the -u option only works when named is  run
	      on  kernel  2.2.18 or later, or kernel 2.3.99-pre3 or later, since previous kernels
	      did not allow privileges to be retained after setuid().

       -v     Report the version number and exit.

       -x cache-file
	      Load data from cache-file into the cache of the default view.

	      Warning: This option must not be used. It is only of interest to BIND 9  developers
	      and may be removed or changed in a future release.

       In routine operation, signals should not be used to control the nameserver; rndc should be
       used instead.

       SIGHUP Force a reload of the server.

	      Shut down the server.

       The result of sending any other signals to the server is undefined.

       The named configuration file is too  complex  to  describe  in  detail  here.  A  complete
       description is provided in the BIND 9 Administrator Reference Manual.

	      The default configuration file.

	      The default process-id file.

       RFC 1033, RFC 1034, RFC 1035, rndc(8), lwresd(8), BIND 9 Administrator Reference Manual.

       Internet Software Consortium

BIND9					  June 30, 2000 				 NAMED(8)

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