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5ae0e2c8b72fa44237edeb37d1945b1c3535ca39Automatic Updater - Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC")
5ae0e2c8b72fa44237edeb37d1945b1c3535ca39Automatic Updater - Copyright (C) 2000-2003 Internet Software Consortium.
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ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater - purpose with or without fee is hereby granted, provided that the above
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c651f15b30f1dae5cc2f00878fb5da5b3a35a468Mark Andrews<p><span class="application">ddns-confgen</span> — ddns key generation tool</p>
4b2cb1422c7c600fbc13b1cb06a8b4693bc11af8Mark Andrews<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>
91216cff91b34c9ff6e846dc23f248219cafe660Andreas Gustafsson<a name="id2609560"></a><h2>DESCRIPTION</h2>
aa1d397c4736cd86540555193d71e55fa3b37b2aMark Andrews<p><span><strong class="command">ddns-confgen</strong></span>
efb0e886f18894a1d2489f1ad74ad14b579e11c7Mark Andrews generates a key for use by <span><strong class="command">nsupdate</strong></span>
efb0e886f18894a1d2489f1ad74ad14b579e11c7Mark Andrews and <span><strong class="command">named</strong></span>. It simplifies configuration
aa1d397c4736cd86540555193d71e55fa3b37b2aMark Andrews of dynamic zones by generating a key and providing the
91216cff91b34c9ff6e846dc23f248219cafe660Andreas Gustafsson <span><strong class="command">nsupdate</strong></span> and <span><strong class="command">named.conf</strong></span>
aa1d397c4736cd86540555193d71e55fa3b37b2aMark Andrews syntax that will be needed to use it, including an example
aa1d397c4736cd86540555193d71e55fa3b37b2aMark Andrews <span><strong class="command">update-policy</strong></span> statement.
d145b64cacc8d9cda51f9924ec70cd4661c3e2cfAutomatic Updater If a domain name is specified on the command line, it will
bb93c8542756719b53096b9939e4041d0966026fAutomatic Updater be used in the name of the generated key and in the sample
2a31bd531072824ef252c18303859d6af7451b00Francis Dupont <span><strong class="command">named.conf</strong></span> syntax. For example,
2a31bd531072824ef252c18303859d6af7451b00Francis Dupont <span><strong class="command">ddns-confgen example.com</strong></span> would
2a31bd531072824ef252c18303859d6af7451b00Francis Dupont generate a key called "ddns-key.example.com", and sample
2a31bd531072824ef252c18303859d6af7451b00Francis Dupont <span><strong class="command">named.conf</strong></span> command that could be used
c651f15b30f1dae5cc2f00878fb5da5b3a35a468Mark Andrews in the zone definition for "example.com".
c651f15b30f1dae5cc2f00878fb5da5b3a35a468Mark Andrews Note that <span><strong class="command">named</strong></span> itself can configure a
c651f15b30f1dae5cc2f00878fb5da5b3a35a468Mark Andrews local DDNS key for use with <span><strong class="command">nsupdate -l</strong></span>.
a8644ebab678a1de66cbfaabb513651a739958afAutomatic Updater <span><strong class="command">ddns-confgen</strong></span> is only needed when a
4b2cb1422c7c600fbc13b1cb06a8b4693bc11af8Mark Andrews more elaborate configuration is required: for instance, if
c651f15b30f1dae5cc2f00878fb5da5b3a35a468Mark Andrews <span><strong class="command">nsupdate</strong></span> is to be used from a remote system.
91216cff91b34c9ff6e846dc23f248219cafe660Andreas Gustafsson<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
aa1d397c4736cd86540555193d71e55fa3b37b2aMark Andrews Specifies the algorithm to use for the TSIG key. Available
91216cff91b34c9ff6e846dc23f248219cafe660Andreas Gustafsson choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256,
aa1d397c4736cd86540555193d71e55fa3b37b2aMark Andrews hmac-sha384 and hmac-sha512. The default is hmac-sha256.
19b3dc94bce93fa76bd7e066f9298630dbc9dcb4Automatic Updater Prints a short summary of the options and arguments to
bb93c8542756719b53096b9939e4041d0966026fAutomatic Updater <span><strong class="command">ddns-confgen</strong></span>.
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater<dt><span class="term">-k <em class="replaceable"><code>keyname</code></em></span></dt>
4cda4fd158d6ded5586bacea8c388445d99611eaAutomatic Updater Specifies the key name of the DDNS authentication key.
3098364bcdd7a719fbafa5fc8d2cc9e90e5a5989Automatic Updater The default is <code class="constant">ddns-key</code>.
19b3dc94bce93fa76bd7e066f9298630dbc9dcb4Automatic Updater The key name must have the format of a valid domain name,
d145b64cacc8d9cda51f9924ec70cd4661c3e2cfAutomatic Updater consisting of letters, digits, hyphens and periods.
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater Quiet mode: Print only the key, with no explanatory text or
5ae0e2c8b72fa44237edeb37d1945b1c3535ca39Automatic Updater usage examples.
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater<dt><span class="term">-r <em class="replaceable"><code>randomfile</code></em></span></dt>
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater Specifies a source of random data for generating the
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater authorization. If the operating system does not provide a
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater <code class="filename">/dev/random</code> or equivalent device, the
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater default source of randomness is keyboard input.
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater <code class="filename">randomdev</code> specifies the name of a
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater character device or file containing random data to be used
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater instead of the default. The special value
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater <code class="filename">keyboard</code> indicates that keyboard input
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater should be used.
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater Self mode: The example <span><strong class="command">named.conf</strong></span> text
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater shows how to set an update policy using the "self" nametype,
19b3dc94bce93fa76bd7e066f9298630dbc9dcb4Automatic Updater using a single key per each domain name for updates, instead of
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater the "subdomain" nametype which allows matching on any name
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater within a specified domain.
7262eb86f2b465822206122921e2f357218f0cfdAutomatic Updater<p><span class="citerefentry"><span class="refentrytitle">nsupdate</span>(1)</span>,
96ea71632887c58a9d00f47eb318bf76b35903c3Mark Andrews <span class="citerefentry"><span class="refentrytitle">named.conf</span>(5)</span>,
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater <em class="citetitle">BIND 9 Administrator Reference Manual</em>.
ce9cad6bb04869c5e94d9dc721032b25117f9210Automatic Updater<p><span class="corpauthor">Internet Systems Consortium</span>
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