Adding upstream version 1:9.16.44.upstream/1%9.16.44

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+.TH "DDNS-CONFGEN" "8" "@RELEASE_DATE@" "@BIND9_VERSION@" "BIND 9"
+.SH NAME
+ddns-confgen \- ddns key generation tool
+.SH SYNOPSIS
+.sp
+\fBddns\-confgen\fP [\fB\-a\fP algorithm] [\fB\-h\fP] [\fB\-k\fP keyname] [\fB\-q\fP] [\fB\-s\fP name] [\fB\-z\fP zone]
+.SH DESCRIPTION
+.sp
+\fBddns\-confgen\fP is an 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 \fBrndc\fP command channel.
+.sp
+The key name can specified using \fB\-k\fP parameter and defaults to \fBddns\-key\fP\&.
+The generated key is accompanied by configuration text and instructions that
+can be used with \fBnsupdate\fP and \fBnamed\fP when setting up dynamic DNS,
+including an example \fBupdate\-policy\fP statement.
+(This usage is similar to the \fBrndc\-confgen\fP command for setting up
+command\-channel security.)
+.sp
+Note that \fBnamed\fP itself can configure a local DDNS key for use with
+\fBnsupdate \-l\fP; it does this when a zone is configured with
+\fBupdate\-policy local;\fP\&. \fBddns\-confgen\fP is only needed when a more
+elaborate configuration is required: for instance, if \fBnsupdate\fP is to
+be used from a remote system.
+.SH OPTIONS
+.INDENT 0.0
+.TP
+.B \fB\-a algorithm\fP
+This option 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 \(dqhmac\-\(dq prefix may be omitted.
+.TP
+.B \fB\-h\fP
+This option prints a short summary of options and arguments.
+.TP
+.B \fB\-k keyname\fP
+This option specifies the key name of the DDNS authentication key. The
+default is \fBddns\-key\fP when neither the \fB\-s\fP nor \fB\-z\fP option is
+specified; otherwise, the default is \fBddns\-key\fP as a separate label
+followed by the argument of the option, e.g., \fBddns\-key.example.com.\fP
+The key name must have the format of a valid domain name, consisting of
+letters, digits, hyphens, and periods.
+.TP
+.B \fB\-q\fP
+This option enables quiet mode, which prints only the key, with no
+explanatory text or usage examples. This is essentially identical to
+\fBtsig\-keygen\fP\&.
+.TP
+.B \fB\-s name\fP
+This option generates a configuration example to allow dynamic updates
+of a single hostname. The example \fBnamed.conf\fP text shows how to set
+an update policy for the specified name using the \(dqname\(dq nametype. The
+default key name is \fBddns\-key.name\fP\&. Note that the \(dqself\(dq nametype
+cannot be used, since the name to be updated may differ from the key
+name. This option cannot be used with the \fB\-z\fP option.
+.TP
+.B \fB\-z zone\fP
+This option generates a configuration example to allow
+dynamic updates of a zone. The example \fBnamed.conf\fP text shows how
+to set an update policy for the specified zone using the \(dqzonesub\(dq
+nametype, allowing updates to all subdomain names within that zone.
+This option cannot be used with the \fB\-s\fP option.
+.UNINDENT
+.SH SEE ALSO
+.sp
+\fBnsupdate(1)\fP, \fBnamed.conf(5)\fP, \fBnamed(8)\fP, BIND 9 Administrator Reference Manual.
+.SH AUTHOR
+Internet Systems Consortium
+.SH COPYRIGHT
+2023, Internet Systems Consortium
+.\" Generated by docutils manpage writer.
+.