ddns-confgen man page on Fedora

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DDNS-CONFGEN(8)			     BIND9		       DDNS-CONFGEN(8)

NAME
       ddns-confgen - ddns key generation tool

SYNOPSIS
       ddns-confgen [-a algorithm] [-h] [-k keyname] [-r randomfile] [-s name
		    | -z zone] [-q] [name]

DESCRIPTION
       ddns-confgen generates a key for use by nsupdate and named. It
       simplifies configuration of dynamic zones by generating a key and
       providing the nsupdate and named.conf syntax that will be needed to use
       it, including an example update-policy statement.

       If a domain name is specified on the command line, it will be used in
       the name of the generated key and in the sample named.conf syntax. For
       example, ddns-confgen example.com would generate a key called
       "ddns-key.example.com", and sample named.conf command that could be
       used in the zone definition for "example.com".

       Note that named itself can configure a local DDNS key for use with
       nsupdate -l.  ddns-confgen is only needed when a more elaborate
       configuration is required: for instance, if nsupdate is to be used from
       a remote system.

OPTIONS
       -a algorithm
	   Specifies the algorithm to use for the TSIG key. Available choices
	   are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256, hmac-sha384 and
	   hmac-sha512. The default is hmac-sha256.

       -h
	   Prints a short summary of the options and arguments to
	   ddns-confgen.

       -k keyname
	   Specifies the key name of the DDNS authentication key. The default
	   is ddns-key when neither the -s nor -z option is specified;
	   otherwise, the default is ddns-key as a separate label followed by
	   the argument of the option, e.g., ddns-key.example.com.  The key
	   name must have the format of a valid domain name, consisting of
	   letters, digits, hyphens and periods.

       -q
	   Quiet mode: Print only the key, with no explanatory text or usage
	   examples.

       -r randomfile
	   Specifies a source of random data for generating the authorization.
	   If the operating system does not provide a /dev/random or
	   equivalent device, the default source of randomness is keyboard
	   input.  randomdev specifies the name of a character device or file
	   containing random data to be used instead of the default. The
	   special value keyboard indicates that keyboard input should be
	   used.

       -s name
	   Single host mode: The example named.conf text shows how to set an
	   update policy for the specified name using the "name" nametype. The
	   default key name is ddns-key.name. Note that the "self" nametype
	   cannot be used, since the name to be updated may differ from the
	   key name. This option cannot be used with the -z option.

       -z zone
	   zone mode: The example named.conf text shows how to set an update
	   policy for the specified zone using the "zonesub" nametype,
	   allowing updates to all subdomain names within that zone. This
	   option cannot be used with the -s option.

SEE ALSO
       nsupdate(1), named.conf(5), named(8), BIND 9 Administrator Reference
       Manual.

AUTHOR
       Internet Systems Consortium

COPYRIGHT
       Copyright © 2009 Internet Systems Consortium, Inc. ("ISC")

BIND9				 Jan 29, 2009		       DDNS-CONFGEN(8)
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