ddns-confgen man page on DragonFly

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

NAME
       ddns-confgen - ddns key generation tool

SYNOPSIS
       tsig-keygen [-a algorithm] [-h] [-r randomfile] [name]

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

DESCRIPTION
       tsig-keygen and ddns-confgen are invocation methods for a utility that
       generates keys for use in TSIG signing. The resulting keys can be used,
       for example, to secure dynamic DNS updates to a zone or for the rndc
       command channel.

       When run as tsig-keygen, a domain name can be specified on the command
       line which will be used as the name of the generated key. If no name is
       specified, the default is tsig-key.

       When run as ddns-confgen, the generated key is accompanied by
       configuration text and instructions that can be used with nsupdate and
       named when setting up dynamic DNS, including an example update-policy
       statement. (This usage similar to the rndc-confgen command for setting
       up command channel security.)

       Note that named itself can configure a local DDNS key for use with
       nsupdate -l: it does this when a zone is configured with update-policy
       local;.	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. Options are
	   case-insensitive, and the "hmac-" prefix may be omitted.

       -h
	   Prints a short summary of options and arguments.

       -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
	   (ddns-confgen only.) Quiet mode: Print only the key, with no
	   explanatory text or usage examples; This is essentially identical
	   to tsig-keygen.

       -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
	   (ddns-confgen only.) Generate configuration example to allow
	   dynamic updates of a single hostname. 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
	   (ddns-confgen only.) Generate configuration example to allow
	   dynamic updates of a zone: 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, 2014 Internet Systems Consortium, Inc. ("ISC")

BIND9				 March 6, 2014		       DDNS-CONFGEN(8)
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