2011-07-16 10:49:33 +00:00
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2011-09-01 05:24:42 +00:00
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<!-- $Id: man.ddns-confgen.html,v 1.69.8.11 2011-08-03 02:35:10 tbox Exp $ -->
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2011-07-16 10:49:33 +00:00
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<title>ddns-confgen</title>
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<tr><th colspan="3" align="center"><span class="application">ddns-confgen</span></th></tr>
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<tr>
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<td width="20%" align="left">
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<a accesskey="p" href="man.rndc-confgen.html">Prev</a><EFBFBD></td>
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<th width="60%" align="center">Manual pages</th>
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<td width="20%" align="right"><EFBFBD><a accesskey="n" href="man.arpaname.html">Next</a>
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<hr>
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</div>
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<div class="refentry" lang="en">
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<a name="man.ddns-confgen"></a><div class="titlepage"></div>
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<div class="refnamediv">
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<h2>Name</h2>
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<p><span class="application">ddns-confgen</span> — ddns key generation tool</p>
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</div>
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<div class="refsynopsisdiv">
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<h2>Synopsis</h2>
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<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>] [ -s <em class="replaceable"><code>name</code></em> | -z <em class="replaceable"><code>zone</code></em> ] [<code class="option">-q</code>] [name]</p></div>
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</div>
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<div class="refsect1" lang="en">
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2011-09-01 05:24:42 +00:00
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<a name="id2644606"></a><h2>DESCRIPTION</h2>
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2011-07-16 10:49:33 +00:00
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<p><span><strong class="command">ddns-confgen</strong></span>
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generates a key for use by <span><strong class="command">nsupdate</strong></span>
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and <span><strong class="command">named</strong></span>. It simplifies configuration
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of dynamic zones by generating a key and providing the
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<span><strong class="command">nsupdate</strong></span> and <span><strong class="command">named.conf</strong></span>
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syntax that will be needed to use it, including an example
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<span><strong class="command">update-policy</strong></span> statement.
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</p>
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<p>
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If a domain name is specified on the command line, it will
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be used in the name of the generated key and in the sample
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<span><strong class="command">named.conf</strong></span> syntax. For example,
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<span><strong class="command">ddns-confgen example.com</strong></span> would
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generate a key called "ddns-key.example.com", and sample
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<span><strong class="command">named.conf</strong></span> command that could be used
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in the zone definition for "example.com".
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</p>
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<p>
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Note that <span><strong class="command">named</strong></span> itself can configure a
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local DDNS key for use with <span><strong class="command">nsupdate -l</strong></span>.
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<span><strong class="command">ddns-confgen</strong></span> is only needed when a
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more elaborate configuration is required: for instance, if
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<span><strong class="command">nsupdate</strong></span> is to be used from a remote system.
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</p>
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</div>
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<div class="refsect1" lang="en">
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2011-09-01 05:24:42 +00:00
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<a name="id2644762"></a><h2>OPTIONS</h2>
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<div class="variablelist"><dl>
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<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
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<dd><p>
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Specifies the algorithm to use for the TSIG key. Available
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choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256,
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hmac-sha384 and hmac-sha512. The default is hmac-sha256.
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</p></dd>
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<dt><span class="term">-h</span></dt>
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<dd><p>
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Prints a short summary of the options and arguments to
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<span><strong class="command">ddns-confgen</strong></span>.
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</p></dd>
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<dt><span class="term">-k <em class="replaceable"><code>keyname</code></em></span></dt>
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<dd><p>
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Specifies the key name of the DDNS authentication key.
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The default is <code class="constant">ddns-key</code> when neither
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the <code class="option">-s</code> nor <code class="option">-z</code> option is
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specified; otherwise, the default
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is <code class="constant">ddns-key</code> as a separate label
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followed by the argument of the option, e.g.,
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<code class="constant">ddns-key.example.com.</code>
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The key name must have the format of a valid domain name,
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consisting of letters, digits, hyphens and periods.
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</p></dd>
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<dt><span class="term">-q</span></dt>
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<dd><p>
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Quiet mode: Print only the key, with no explanatory text or
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usage examples.
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</p></dd>
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<dt><span class="term">-r <em class="replaceable"><code>randomfile</code></em></span></dt>
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<dd><p>
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Specifies a source of random data for generating the
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authorization. If the operating system does not provide a
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<code class="filename">/dev/random</code> or equivalent device, the
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default source of randomness is keyboard input.
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<code class="filename">randomdev</code> specifies the name of a
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character device or file containing random data to be used
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instead of the default. The special value
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<code class="filename">keyboard</code> indicates that keyboard input
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should be used.
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</p></dd>
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<dt><span class="term">-s <em class="replaceable"><code>name</code></em></span></dt>
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<dd><p>
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Single host mode: The example <span><strong class="command">named.conf</strong></span> text
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shows how to set an update policy for the specified
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<em class="replaceable"><code>name</code></em>
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using the "name" nametype.
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The default key name is
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ddns-key.<em class="replaceable"><code>name</code></em>.
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Note that the "self" nametype cannot be used, since
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the name to be updated may differ from the key name.
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This option cannot be used with the <code class="option">-z</code> option.
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</p></dd>
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<dt><span class="term">-z <em class="replaceable"><code>zone</code></em></span></dt>
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<dd><p>
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zone mode: The example <span><strong class="command">named.conf</strong></span> text
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shows how to set an update policy for the specified
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<em class="replaceable"><code>zone</code></em>
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using the "zonesub" nametype, allowing updates to all subdomain
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names within
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that <em class="replaceable"><code>zone</code></em>.
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This option cannot be used with the <code class="option">-s</code> option.
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</p></dd>
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</dl></div>
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</div>
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<div class="refsect1" lang="en">
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2011-09-01 05:24:42 +00:00
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<a name="id2645987"></a><h2>SEE ALSO</h2>
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2011-07-16 10:49:33 +00:00
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<p><span class="citerefentry"><span class="refentrytitle">nsupdate</span>(1)</span>,
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<span class="citerefentry"><span class="refentrytitle">named.conf</span>(5)</span>,
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<span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
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<em class="citetitle">BIND 9 Administrator Reference Manual</em>.
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</p>
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</div>
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<div class="refsect1" lang="en">
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2011-09-01 05:24:42 +00:00
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<a name="id2648141"></a><h2>AUTHOR</h2>
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2011-07-16 10:49:33 +00:00
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<p><span class="corpauthor">Internet Systems Consortium</span>
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</p>
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