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IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> <!-- $Id$ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>ddns-confgen</title> <meta name="generator" content="DocBook XSL Stylesheets V1.71.1"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"> <a name="man.ddns-confgen"></a><div class="titlepage"></div> <div class="refnamediv"> <h2>Name</h2> <p><span class="application">ddns-confgen</span> — ddns key generation tool</p> </div> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <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> </div> <div class="refsect1" lang="en"> <a name="id2543396"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">ddns-confgen</strong></span> generates a key for use by <span><strong class="command">nsupdate</strong></span> and <span><strong class="command">named</strong></span>. It simplifies configuration of dynamic zones by generating a key and providing the <span><strong class="command">nsupdate</strong></span> and <span><strong class="command">named.conf</strong></span> syntax that will be needed to use it, including an example <span><strong class="command">update-policy</strong></span> statement. </p> <p> If a domain name is specified on the command line, it will be used in the name of the generated key and in the sample <span><strong class="command">named.conf</strong></span> syntax. For example, <span><strong class="command">ddns-confgen example.com</strong></span> would generate a key called "ddns-key.example.com", and sample <span><strong class="command">named.conf</strong></span> command that could be used in the zone definition for "example.com". </p> <p> Note that <span><strong class="command">named</strong></span> itself can configure a local DDNS key for use with <span><strong class="command">nsupdate -l</strong></span>. <span><strong class="command">ddns-confgen</strong></span> is only needed when a more elaborate configuration is required: for instance, if <span><strong class="command">nsupdate</strong></span> is to be used from a remote system. </p> </div> <div class="refsect1" lang="en"> <a name="id2543456"></a><h2>OPTIONS</h2> <div class="variablelist"><dl> <dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt> <dd><p> 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. </p></dd> <dt><span class="term">-h</span></dt> <dd><p> Prints a short summary of the options and arguments to <span><strong class="command">ddns-confgen</strong></span>. </p></dd> <dt><span class="term">-k <em class="replaceable"><code>keyname</code></em></span></dt> <dd><p> Specifies the key name of the DDNS authentication key. The default is <code class="constant">ddns-key</code> when neither the <code class="option">-s</code> nor <code class="option">-z</code> option is specified; otherwise, the default is <code class="constant">ddns-key</code> as a separate label followed by the argument of the option, e.g., <code class="constant">ddns-key.example.com.</code> The key name must have the format of a valid domain name, consisting of letters, digits, hyphens and periods. </p></dd> <dt><span class="term">-q</span></dt> <dd><p> Quiet mode: Print only the key, with no explanatory text or usage examples. </p></dd> <dt><span class="term">-r <em class="replaceable"><code>randomfile</code></em></span></dt> <dd><p> Specifies a source of random data for generating the authorization. If the operating system does not provide a <code class="filename">/dev/random</code> or equivalent device, the default source of randomness is keyboard input. <code class="filename">randomdev</code> specifies the name of a character device or file containing random data to be used instead of the default. The special value <code class="filename">keyboard</code> indicates that keyboard input should be used. </p></dd> <dt><span class="term">-s <em class="replaceable"><code>name</code></em></span></dt> <dd><p> Single host mode: The example <span><strong class="command">named.conf</strong></span> text shows how to set an update policy for the specified <em class="replaceable"><code>name</code></em> using the "name" nametype. The default key name is ddns-key.<em class="replaceable"><code>name</code></em>. Note that the "self" nametype cannot be used, since the name to be updated may differ from the key name. This option cannot be used with the <code class="option">-z</code> option. </p></dd> <dt><span class="term">-z <em class="replaceable"><code>zone</code></em></span></dt> <dd><p> zone mode: The example <span><strong class="command">named.conf</strong></span> text shows how to set an update policy for the specified <em class="replaceable"><code>zone</code></em> using the "zonesub" nametype, allowing updates to all subdomain names within that <em class="replaceable"><code>zone</code></em>. This option cannot be used with the <code class="option">-s</code> option. </p></dd> </dl></div> </div> <div class="refsect1" lang="en"> <a name="id2543643"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">nsupdate</span>(1)</span>, <span class="citerefentry"><span class="refentrytitle">named.conf</span>(5)</span>, <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>, <em class="citetitle">BIND 9 Administrator Reference Manual</em>. </p> </div> <div class="refsect1" lang="en"> <a name="id2543682"></a><h2>AUTHOR</h2> <p><span class="corpauthor">Internet Systems Consortium</span> </p> </div> </div></body> </html>