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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!-- - Copyright (C) 2000-2018 Internet Systems Consortium, Inc. ("ISC") - - This Source Code Form is subject to the terms of the Mozilla Public - License, v. 2.0. If a copy of the MPL was not distributed with this - file, You can obtain one at http://mozilla.org/MPL/2.0/. --> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>rndc-confgen</title> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="Bv9ARM.html" title="BIND 9 Administrator Reference Manual"> <link rel="up" href="Bv9ARM.ch13.html" title="Manual pages"> <link rel="prev" href="man.rndc.conf.html" title="rndc.conf"> <link rel="next" href="man.ddns-confgen.html" title="ddns-confgen"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr><th colspan="3" align="center"><span class="application">rndc-confgen</span></th></tr> <tr> <td width="20%" align="left"> <a accesskey="p" href="man.rndc.conf.html">Prev</a>�</td> <th width="60%" align="center">Manual pages</th> <td width="20%" align="right">�<a accesskey="n" href="man.ddns-confgen.html">Next</a> </td> </tr> </table> <hr> </div> <div class="refentry"> <a name="man.rndc-confgen"></a><div class="titlepage"></div> <div class="refnamediv"> <h2>Name</h2> <p> <span class="application">rndc-confgen</span> — rndc key generation tool </p> </div> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <div class="cmdsynopsis"><p> <code class="command">rndc-confgen</code> [<code class="option">-a</code>] [<code class="option">-A <em class="replaceable"><code>algorithm</code></em></code>] [<code class="option">-b <em class="replaceable"><code>keysize</code></em></code>] [<code class="option">-c <em class="replaceable"><code>keyfile</code></em></code>] [<code class="option">-h</code>] [<code class="option">-k <em class="replaceable"><code>keyname</code></em></code>] [<code class="option">-p <em class="replaceable"><code>port</code></em></code>] [<code class="option">-r <em class="replaceable"><code>randomfile</code></em></code>] [<code class="option">-s <em class="replaceable"><code>address</code></em></code>] [<code class="option">-t <em class="replaceable"><code>chrootdir</code></em></code>] [<code class="option">-u <em class="replaceable"><code>user</code></em></code>] </p></div> </div> <div class="refsection"> <a name="id-1.14.29.7"></a><h2>DESCRIPTION</h2> <p><span class="command"><strong>rndc-confgen</strong></span> generates configuration files for <span class="command"><strong>rndc</strong></span>. It can be used as a convenient alternative to writing the <code class="filename">rndc.conf</code> file and the corresponding <span class="command"><strong>controls</strong></span> and <span class="command"><strong>key</strong></span> statements in <code class="filename">named.conf</code> by hand. Alternatively, it can be run with the <span class="command"><strong>-a</strong></span> option to set up a <code class="filename">rndc.key</code> file and avoid the need for a <code class="filename">rndc.conf</code> file and a <span class="command"><strong>controls</strong></span> statement altogether. </p> </div> <div class="refsection"> <a name="id-1.14.29.8"></a><h2>OPTIONS</h2> <div class="variablelist"><dl class="variablelist"> <dt><span class="term">-a</span></dt> <dd> <p> Do automatic <span class="command"><strong>rndc</strong></span> configuration. This creates a file <code class="filename">rndc.key</code> in <code class="filename">/etc</code> (or whatever <code class="varname">sysconfdir</code> was specified as when <acronym class="acronym">BIND</acronym> was built) that is read by both <span class="command"><strong>rndc</strong></span> and <span class="command"><strong>named</strong></span> on startup. The <code class="filename">rndc.key</code> file defines a default command channel and authentication key allowing <span class="command"><strong>rndc</strong></span> to communicate with <span class="command"><strong>named</strong></span> on the local host with no further configuration. </p> <p> Running <span class="command"><strong>rndc-confgen -a</strong></span> allows BIND 9 and <span class="command"><strong>rndc</strong></span> to be used as drop-in replacements for BIND 8 and <span class="command"><strong>ndc</strong></span>, with no changes to the existing BIND 8 <code class="filename">named.conf</code> file. </p> <p> If a more elaborate configuration than that generated by <span class="command"><strong>rndc-confgen -a</strong></span> is required, for example if rndc is to be used remotely, you should run <span class="command"><strong>rndc-confgen</strong></span> without the <span class="command"><strong>-a</strong></span> option and set up a <code class="filename">rndc.conf</code> and <code class="filename">named.conf</code> as directed. </p> </dd> <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-md5 or if MD5 was disabled hmac-sha256. </p> </dd> <dt><span class="term">-b <em class="replaceable"><code>keysize</code></em></span></dt> <dd> <p> Specifies the size of the authentication key in bits. Must be between 1 and 512 bits; the default is the hash size. </p> </dd> <dt><span class="term">-c <em class="replaceable"><code>keyfile</code></em></span></dt> <dd> <p> Used with the <span class="command"><strong>-a</strong></span> option to specify an alternate location for <code class="filename">rndc.key</code>. </p> </dd> <dt><span class="term">-h</span></dt> <dd> <p> Prints a short summary of the options and arguments to <span class="command"><strong>rndc-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 rndc authentication key. This must be a valid domain name. The default is <code class="constant">rndc-key</code>. </p> </dd> <dt><span class="term">-p <em class="replaceable"><code>port</code></em></span></dt> <dd> <p> Specifies the command channel port where <span class="command"><strong>named</strong></span> listens for connections from <span class="command"><strong>rndc</strong></span>. The default is 953. </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>address</code></em></span></dt> <dd> <p> Specifies the IP address where <span class="command"><strong>named</strong></span> listens for command channel connections from <span class="command"><strong>rndc</strong></span>. The default is the loopback address 127.0.0.1. </p> </dd> <dt><span class="term">-t <em class="replaceable"><code>chrootdir</code></em></span></dt> <dd> <p> Used with the <span class="command"><strong>-a</strong></span> option to specify a directory where <span class="command"><strong>named</strong></span> will run chrooted. An additional copy of the <code class="filename">rndc.key</code> will be written relative to this directory so that it will be found by the chrooted <span class="command"><strong>named</strong></span>. </p> </dd> <dt><span class="term">-u <em class="replaceable"><code>user</code></em></span></dt> <dd> <p> Used with the <span class="command"><strong>-a</strong></span> option to set the owner of the <code class="filename">rndc.key</code> file generated. If <span class="command"><strong>-t</strong></span> is also specified only the file in the chroot area has its owner changed. </p> </dd> </dl></div> </div> <div class="refsection"> <a name="id-1.14.29.9"></a><h2>EXAMPLES</h2> <p> To allow <span class="command"><strong>rndc</strong></span> to be used with no manual configuration, run </p> <p><strong class="userinput"><code>rndc-confgen -a</code></strong> </p> <p> To print a sample <code class="filename">rndc.conf</code> file and corresponding <span class="command"><strong>controls</strong></span> and <span class="command"><strong>key</strong></span> statements to be manually inserted into <code class="filename">named.conf</code>, run </p> <p><strong class="userinput"><code>rndc-confgen</code></strong> </p> </div> <div class="refsection"> <a name="id-1.14.29.10"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"> <span class="refentrytitle">rndc</span>(8) </span>, <span class="citerefentry"> <span class="refentrytitle">rndc.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> <div class="navfooter"> <hr> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"> <a accesskey="p" href="man.rndc.conf.html">Prev</a>�</td> <td width="20%" align="center"><a accesskey="u" href="Bv9ARM.ch13.html">Up</a></td> <td width="40%" align="right">�<a accesskey="n" href="man.ddns-confgen.html">Next</a> </td> </tr> <tr> <td width="40%" align="left" valign="top"> <code class="filename">rndc.conf</code>�</td> <td width="20%" align="center"><a accesskey="h" href="Bv9ARM.html">Home</a></td> <td width="40%" align="right" valign="top">�<span class="application">ddns-confgen</span> </td> </tr> </table> </div> <p xmlns:db="http://docbook.org/ns/docbook" style="text-align: center;">BIND 9.11.4-P2 (Extended Support Version)</p> </body> </html>