man.ddns-confgen.html revision 9210d8796eaf4125ac58c034f9b5ca167857a55a
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt - Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC")
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington - Copyright (C) 2000-2003 Internet Software Consortium.
d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington - Permission to use, copy, modify, and distribute this software for any
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews - purpose with or without fee is hereby granted, provided that the above
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d4ef65050feac78554addf6e16a06c6e2e0bd331Brian Wellington - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein<p><span class="application">ddns-confgen</span> — ddns key generation tool</p>
c40265eba0c99708887d68e67901924065ba2514Brian Wellington<div class="cmdsynopsis"><p><code class="command">ddns-confgen</code> [<code class="option">-a <em class="replaceable"><code>algorithm</code></em></code>] [<code class="option">-h</code>] [<code class="option">-k <em class="replaceable"><code>keyname</code></em></code>] [<code class="option">-r <em class="replaceable"><code>randomfile</code></em></code>] [<code class="option">-s</code>] [<code class="option">-q</code>] [name]</p></div>
c40265eba0c99708887d68e67901924065ba2514Brian Wellington<a name="id2609560"></a><h2>DESCRIPTION</h2>
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt<p><span><strong class="command">ddns-confgen</strong></span>
c40265eba0c99708887d68e67901924065ba2514Brian Wellington generates a key for use by <span><strong class="command">nsupdate</strong></span>
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt and <span><strong class="command">named</strong></span>. It simplifies configuration
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt of dynamic zones by generating a key and providing the
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt <span><strong class="command">nsupdate</strong></span> and <span><strong class="command">named.conf</strong></span>
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt syntax that will be needed to use it, including an example
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt <span><strong class="command">update-policy</strong></span> statement.
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt If a domain name is specified on the command line, it will
c40265eba0c99708887d68e67901924065ba2514Brian Wellington be used in the name of the generated key and in the sample
c40265eba0c99708887d68e67901924065ba2514Brian Wellington <span><strong class="command">named.conf</strong></span> syntax. For example,
c40265eba0c99708887d68e67901924065ba2514Brian Wellington <span><strong class="command">ddns-confgen example.com</strong></span> would
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt generate a key called "ddns-key.example.com", and sample
30eec077db2bdcb6f2a0dc388a3cdde2ede75ec1Mark Andrews <span><strong class="command">named.conf</strong></span> command that could be used
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein in the zone definition for "example.com".
85c5ed3577655f4f710f0af5ee93edd71c336055Evan Hunt Note that <span><strong class="command">named</strong></span> itself can configure a
85c5ed3577655f4f710f0af5ee93edd71c336055Evan Hunt local DDNS key for use with <span><strong class="command">nsupdate -l</strong></span>.
85c5ed3577655f4f710f0af5ee93edd71c336055Evan Hunt <span><strong class="command">ddns-confgen</strong></span> is only needed when a
85c5ed3577655f4f710f0af5ee93edd71c336055Evan Hunt more elaborate configuration is required: for instance, if
85c5ed3577655f4f710f0af5ee93edd71c336055Evan Hunt <span><strong class="command">nsupdate</strong></span> is to be used from a remote system.
85c5ed3577655f4f710f0af5ee93edd71c336055Evan Hunt<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
85c5ed3577655f4f710f0af5ee93edd71c336055Evan Hunt Specifies the algorithm to use for the TSIG key. Available
c40265eba0c99708887d68e67901924065ba2514Brian Wellington choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256,
14a656f94b1fd0ababd84a772228dfa52276ba15Evan Hunt hmac-sha384 and hmac-sha512. The default is hmac-sha256.
c40265eba0c99708887d68e67901924065ba2514Brian Wellington Prints a short summary of the options and arguments to
c40265eba0c99708887d68e67901924065ba2514Brian Wellington <span><strong class="command">ddns-confgen</strong></span>.
0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews<dt><span class="term">-k <em class="replaceable"><code>keyname</code></em></span></dt>
0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews Specifies the key name of the DDNS authentication key.
0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews The default is <code class="constant">ddns-key</code>.
0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews The key name must have the format of a valid domain name,
0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews consisting of letters, digits, hyphens and periods.
c40265eba0c99708887d68e67901924065ba2514Brian Wellington Quiet mode: Print only the key, with no explanatory text or
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein usage examples.
3bc4221346e5045c5679dd0d84f4f7d888a9da79Mark Andrews<dt><span class="term">-r <em class="replaceable"><code>randomfile</code></em></span></dt>
2637d30fbd235fe98145f4312b10cc41a13bf7dcJeremy C. Reed Specifies a source of random data for generating the
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein authorization. If the operating system does not provide a
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein <code class="filename">/dev/random</code> or equivalent device, the
c40265eba0c99708887d68e67901924065ba2514Brian Wellington default source of randomness is keyboard input.
c40265eba0c99708887d68e67901924065ba2514Brian Wellington <code class="filename">randomdev</code> specifies the name of a
a26ad011f382d12058478704cb5e90e6f4366d01Andreas Gustafsson character device or file containing random data to be used
a26ad011f382d12058478704cb5e90e6f4366d01Andreas Gustafsson instead of the default. The special value
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein <code class="filename">keyboard</code> indicates that keyboard input
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein should be used.
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein Self mode: The example <span><strong class="command">named.conf</strong></span> text
a26ad011f382d12058478704cb5e90e6f4366d01Andreas Gustafsson shows how to set an update policy using the "self" nametype,
a26ad011f382d12058478704cb5e90e6f4366d01Andreas Gustafsson using a single key per each domain name for updates, instead of
3bc4221346e5045c5679dd0d84f4f7d888a9da79Mark Andrews the "subdomain" nametype which allows matching on any name
3bc4221346e5045c5679dd0d84f4f7d888a9da79Mark Andrews within a specified domain.
3bc4221346e5045c5679dd0d84f4f7d888a9da79Mark Andrews<p><span class="citerefentry"><span class="refentrytitle">nsupdate</span>(1)</span>,
3bc4221346e5045c5679dd0d84f4f7d888a9da79Mark Andrews <span class="citerefentry"><span class="refentrytitle">named.conf</span>(5)</span>,
3bc4221346e5045c5679dd0d84f4f7d888a9da79Mark Andrews <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
ff6de396a93b9b73a37173059a595f3d295b57cbMark Andrews <em class="citetitle">BIND 9 Administrator Reference Manual</em>.
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