84862e96c1
Both doc/man/ddns-confgen.rst and doc/man/tsig-keygen.rst include
bin/confgen/tsig-keygen.rst, which defines a "man_tsig-keygen" label.
This triggers the following warning when running sphinx-build with the
-W command line switch in the doc/man/ directory:
../../bin/confgen/tsig-keygen.rst:27: WARNING: duplicate label man_tsig-keygen, other instance in /tmp/bind9/doc/man/ddns-confgen.rst
Move the offending label from bin/confgen/tsig-keygen.rst to the proper
spot in doc/arm/manpages.rst to avoid effectively defining it twice in
different source documents while still allowing the relevant man page to
be referenced in the ARM. Also rename that label so that it more
closely matches the content it points to. As the label no longer
immediately precedes a section title in its new location, use
:ref:`Title <label>` syntax for the only reference to the
tsig-keygen/ddns-confgen man page in the ARM.
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Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, you can obtain one at https://mozilla.org/MPL/2.0/.
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See the COPYRIGHT file distributed with this work for additional
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information regarding copyright ownership.
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..
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Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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See the COPYRIGHT file distributed with this work for additional
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information regarding copyright ownership.
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.. highlight: console
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tsig-keygen, ddns-confgen - TSIG key generation tool
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----------------------------------------------------
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Synopsis
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~~~~~~~~
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:program:`tsig-keygen` [**-a** algorithm] [**-h**] [**-r** randomfile] [name]
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:program:`ddns-confgen` [**-a** algorithm] [**-h**] [**-k** keyname] [**-q**] [**-r** randomfile] [**-s** name] [**-z** zone]
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Description
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~~~~~~~~~~~
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``tsig-keygen`` and ``ddns-confgen`` are invocation methods for a
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utility that generates keys for use in TSIG signing. The resulting keys
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can be used, for example, to secure dynamic DNS updates to a zone, or for
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the ``rndc`` command channel.
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When run as ``tsig-keygen``, a domain name can be specified on the
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command line to be used as the name of the generated key. If no
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name is specified, the default is ``tsig-key``.
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When run as ``ddns-confgen``, the key name can specified using ``-k``
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parameter and defaults to ``ddns-key``. The generated key is accompanied
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by configuration text and instructions that can be used with ``nsupdate``
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and ``named`` when setting up dynamic DNS, including an example
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``update-policy`` statement. (This usage is similar to the ``rndc-confgen``
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command for setting up command-channel security.)
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Note that ``named`` itself can configure a local DDNS key for use with
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``nsupdate -l``; it does this when a zone is configured with
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``update-policy local;``. ``ddns-confgen`` is only needed when a more
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elaborate configuration is required: for instance, if ``nsupdate`` is to
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be used from a remote system.
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Options
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~~~~~~~
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``-a algorithm``
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This option specifies the algorithm to use for the TSIG key. Available
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choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256, hmac-sha384,
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and hmac-sha512. The default is hmac-sha256. Options are
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case-insensitive, and the "hmac-" prefix may be omitted.
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``-h``
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This option prints a short summary of options and arguments.
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``-k keyname``
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This option specifies the key name of the DDNS authentication key. The
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default is ``ddns-key`` when neither the ``-s`` nor ``-z`` option is
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specified; otherwise, the default is ``ddns-key`` as a separate label
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followed by the argument of the option, e.g., ``ddns-key.example.com.``
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The key name must have the format of a valid domain name, consisting of
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letters, digits, hyphens, and periods.
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``-q`` (``ddns-confgen`` only)
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This option enables quiet mode, which prints only the key, with no
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explanatory text or usage examples. This is essentially identical to
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``tsig-keygen``.
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``-s name`` (``ddns-confgen`` only)
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This option generates a configuration example to allow dynamic updates
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of a single hostname. The example ``named.conf`` text shows how to set
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an update policy for the specified name using the "name" nametype. The
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default key name is ``ddns-key.name``. Note that the "self" nametype
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cannot be used, since the name to be updated may differ from the key
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name. This option cannot be used with the ``-z`` option.
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``-z zone`` (``ddns-confgen`` only)
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This option generates a configuration example to allow
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dynamic updates of a zone. The example ``named.conf`` text shows how
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to set an update policy for the specified zone using the "zonesub"
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nametype, allowing updates to all subdomain names within that zone.
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This option cannot be used with the ``-s`` option.
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See Also
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~~~~~~~~
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:manpage:`nsupdate(1)`, :manpage:`named.conf(5)`, :manpage:`named(8)`, BIND 9 Administrator Reference Manual.
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