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9b2bd54c98edb185a3985410367754ab33217362bnicholes<hr>
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9b2bd54c98edb185a3985410367754ab33217362bnicholes<div class="refentry">
9b2bd54c98edb185a3985410367754ab33217362bnicholes<a name="man.rndc"></a><div class="titlepage"></div>
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes <div class="refnamediv">
9b2bd54c98edb185a3985410367754ab33217362bnicholes<h2>Name</h2>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <span class="application">rndc</span>
9b2bd54c98edb185a3985410367754ab33217362bnicholes &#8212; name server control utility
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes</div>
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes <div class="refsynopsisdiv">
9b2bd54c98edb185a3985410367754ab33217362bnicholes<h2>Synopsis</h2>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <div class="cmdsynopsis"><p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <code class="command">rndc</code>
9b2bd54c98edb185a3985410367754ab33217362bnicholes [<code class="option">-b <em class="replaceable"><code>source-address</code></em></code>]
9b2bd54c98edb185a3985410367754ab33217362bnicholes [<code class="option">-c <em class="replaceable"><code>config-file</code></em></code>]
9b2bd54c98edb185a3985410367754ab33217362bnicholes [<code class="option">-k <em class="replaceable"><code>key-file</code></em></code>]
9b2bd54c98edb185a3985410367754ab33217362bnicholes [<code class="option">-s <em class="replaceable"><code>server</code></em></code>]
9b2bd54c98edb185a3985410367754ab33217362bnicholes [<code class="option">-p <em class="replaceable"><code>port</code></em></code>]
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg [<code class="option">-q</code>]
9b2bd54c98edb185a3985410367754ab33217362bnicholes [<code class="option">-r</code>]
9b2bd54c98edb185a3985410367754ab33217362bnicholes [<code class="option">-V</code>]
9b2bd54c98edb185a3985410367754ab33217362bnicholes [<code class="option">-y <em class="replaceable"><code>key_id</code></em></code>]
9b2bd54c98edb185a3985410367754ab33217362bnicholes {command}
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p></div>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </div>
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes <div class="refsection">
9b2bd54c98edb185a3985410367754ab33217362bnicholes<a name="id-1.14.27.7"></a><h2>DESCRIPTION</h2>
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p><span class="command"><strong>rndc</strong></span>
9b2bd54c98edb185a3985410367754ab33217362bnicholes controls the operation of a name
9b2bd54c98edb185a3985410367754ab33217362bnicholes server. It supersedes the <span class="command"><strong>ndc</strong></span> utility
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg that was provided in old BIND releases. If
9b2bd54c98edb185a3985410367754ab33217362bnicholes <span class="command"><strong>rndc</strong></span> is invoked with no command line
9b2bd54c98edb185a3985410367754ab33217362bnicholes options or arguments, it prints a short summary of the
9b2bd54c98edb185a3985410367754ab33217362bnicholes supported commands and the available options and their
9b2bd54c98edb185a3985410367754ab33217362bnicholes arguments.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p><span class="command"><strong>rndc</strong></span>
9b2bd54c98edb185a3985410367754ab33217362bnicholes communicates with the name server over a TCP connection, sending
9b2bd54c98edb185a3985410367754ab33217362bnicholes commands authenticated with digital signatures. In the current
9b2bd54c98edb185a3985410367754ab33217362bnicholes versions of
9b2bd54c98edb185a3985410367754ab33217362bnicholes <span class="command"><strong>rndc</strong></span> and <span class="command"><strong>named</strong></span>,
9b2bd54c98edb185a3985410367754ab33217362bnicholes the only supported authentication algorithms are HMAC-MD5
9b2bd54c98edb185a3985410367754ab33217362bnicholes (for compatibility), HMAC-SHA1, HMAC-SHA224, HMAC-SHA256
9b2bd54c98edb185a3985410367754ab33217362bnicholes (default), HMAC-SHA384 and HMAC-SHA512.
9b2bd54c98edb185a3985410367754ab33217362bnicholes They use a shared secret on each end of the connection.
9b2bd54c98edb185a3985410367754ab33217362bnicholes This provides TSIG-style authentication for the command
9b2bd54c98edb185a3985410367754ab33217362bnicholes request and the name server's response. All commands sent
9b2bd54c98edb185a3985410367754ab33217362bnicholes over the channel must be signed by a key_id known to the
9b2bd54c98edb185a3985410367754ab33217362bnicholes server.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p><span class="command"><strong>rndc</strong></span>
9b2bd54c98edb185a3985410367754ab33217362bnicholes reads a configuration file to
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg determine how to contact the name server and decide what
9b2bd54c98edb185a3985410367754ab33217362bnicholes algorithm and key it should use.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg </div>
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes <div class="refsection">
9b2bd54c98edb185a3985410367754ab33217362bnicholes<a name="id-1.14.27.8"></a><h2>OPTIONS</h2>
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes <div class="variablelist"><dl class="variablelist">
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term">-b <em class="replaceable"><code>source-address</code></em></span></dt>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Use <em class="replaceable"><code>source-address</code></em>
9b2bd54c98edb185a3985410367754ab33217362bnicholes as the source address for the connection to the server.
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg Multiple instances are permitted to allow setting of both
9b2bd54c98edb185a3985410367754ab33217362bnicholes the IPv4 and IPv6 source addresses.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term">-c <em class="replaceable"><code>config-file</code></em></span></dt>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Use <em class="replaceable"><code>config-file</code></em>
9b2bd54c98edb185a3985410367754ab33217362bnicholes as the configuration file instead of the default,
9b2bd54c98edb185a3985410367754ab33217362bnicholes <code class="filename">/etc/rndc.conf</code>.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term">-k <em class="replaceable"><code>key-file</code></em></span></dt>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Use <em class="replaceable"><code>key-file</code></em>
9b2bd54c98edb185a3985410367754ab33217362bnicholes as the key file instead of the default,
9b2bd54c98edb185a3985410367754ab33217362bnicholes <code class="filename">/etc/rndc.key</code>. The key in
9b2bd54c98edb185a3985410367754ab33217362bnicholes <code class="filename">/etc/rndc.key</code> will be used to
9b2bd54c98edb185a3985410367754ab33217362bnicholes authenticate
9b2bd54c98edb185a3985410367754ab33217362bnicholes commands sent to the server if the <em class="replaceable"><code>config-file</code></em>
9b2bd54c98edb185a3985410367754ab33217362bnicholes does not exist.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term">-s <em class="replaceable"><code>server</code></em></span></dt>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p><em class="replaceable"><code>server</code></em> is
9b2bd54c98edb185a3985410367754ab33217362bnicholes the name or address of the server which matches a
9b2bd54c98edb185a3985410367754ab33217362bnicholes server statement in the configuration file for
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg <span class="command"><strong>rndc</strong></span>. If no server is supplied on the
9b2bd54c98edb185a3985410367754ab33217362bnicholes command line, the host named by the default-server clause
9b2bd54c98edb185a3985410367754ab33217362bnicholes in the options statement of the <span class="command"><strong>rndc</strong></span>
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg configuration file will be used.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term">-p <em class="replaceable"><code>port</code></em></span></dt>
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Send commands to TCP port
9b2bd54c98edb185a3985410367754ab33217362bnicholes <em class="replaceable"><code>port</code></em>
9b2bd54c98edb185a3985410367754ab33217362bnicholes instead
9b2bd54c98edb185a3985410367754ab33217362bnicholes of BIND 9's default control channel port, 953.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term">-q</span></dt>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Quiet mode: Message text returned by the server
9b2bd54c98edb185a3985410367754ab33217362bnicholes will not be printed except when there is an error.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term">-r</span></dt>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Instructs <span class="command"><strong>rndc</strong></span> to print the result code
9b2bd54c98edb185a3985410367754ab33217362bnicholes returned by <span class="command"><strong>named</strong></span> after executing the
bf1e7c075ccc3e6597d17de7641332ff6ff92e8astriker requested command (e.g., ISC_R_SUCCESS, ISC_R_FAILURE, etc).
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term">-V</span></dt>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Enable verbose logging.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term">-y <em class="replaceable"><code>key_id</code></em></span></dt>
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Use the key <em class="replaceable"><code>key_id</code></em>
9b2bd54c98edb185a3985410367754ab33217362bnicholes from the configuration file.
9b2bd54c98edb185a3985410367754ab33217362bnicholes <em class="replaceable"><code>key_id</code></em>
9b2bd54c98edb185a3985410367754ab33217362bnicholes must be
9b2bd54c98edb185a3985410367754ab33217362bnicholes known by <span class="command"><strong>named</strong></span> with the same algorithm and secret string
9b2bd54c98edb185a3985410367754ab33217362bnicholes in order for control message validation to succeed.
9b2bd54c98edb185a3985410367754ab33217362bnicholes If no <em class="replaceable"><code>key_id</code></em>
9b2bd54c98edb185a3985410367754ab33217362bnicholes is specified, <span class="command"><strong>rndc</strong></span> will first look
9b2bd54c98edb185a3985410367754ab33217362bnicholes for a key clause in the server statement of the server
9b2bd54c98edb185a3985410367754ab33217362bnicholes being used, or if no server statement is present for that
9b2bd54c98edb185a3985410367754ab33217362bnicholes host, then the default-key clause of the options statement.
9b2bd54c98edb185a3985410367754ab33217362bnicholes Note that the configuration file contains shared secrets
9b2bd54c98edb185a3985410367754ab33217362bnicholes which are used to send authenticated control commands
9b2bd54c98edb185a3985410367754ab33217362bnicholes to name servers. It should therefore not have general read
9b2bd54c98edb185a3985410367754ab33217362bnicholes or write access.
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes</dl></div>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </div>
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes <div class="refsection">
9b2bd54c98edb185a3985410367754ab33217362bnicholes<a name="id-1.14.27.9"></a><h2>COMMANDS</h2>
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes A list of commands supported by <span class="command"><strong>rndc</strong></span> can
9b2bd54c98edb185a3985410367754ab33217362bnicholes be seen by running <span class="command"><strong>rndc</strong></span> without arguments.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Currently supported commands are:
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes
9b2bd54c98edb185a3985410367754ab33217362bnicholes <div class="variablelist"><dl class="variablelist">
0cb770e9049c8e85ede0bbe3d47904785b15f868fuankg<dt><span class="term"><strong class="userinput"><code>addzone <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>] <em class="replaceable"><code>configuration</code></em> </code></strong></span></dt>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg Add a zone while the server is running. This
609ef720afd62ca63391c9fdb415cd2faf29aa46bnicholes command requires the
609ef720afd62ca63391c9fdb415cd2faf29aa46bnicholes <span class="command"><strong>allow-new-zones</strong></span> option to be set
609ef720afd62ca63391c9fdb415cd2faf29aa46bnicholes to <strong class="userinput"><code>yes</code></strong>. The
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg <em class="replaceable"><code>configuration</code></em> string
609ef720afd62ca63391c9fdb415cd2faf29aa46bnicholes specified on the command line is the zone
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg configuration text that would ordinarily be
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg placed in <code class="filename">named.conf</code>.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes The configuration is saved in a file called
9b2bd54c98edb185a3985410367754ab33217362bnicholes <code class="filename"><em class="replaceable"><code>name</code></em>.nzf</code>,
9b2bd54c98edb185a3985410367754ab33217362bnicholes where <em class="replaceable"><code>name</code></em> is the
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg name of the view, or if it contains characters
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg that are incompatible with use as a file name, a
9b2bd54c98edb185a3985410367754ab33217362bnicholes cryptographic hash generated from the name
9b2bd54c98edb185a3985410367754ab33217362bnicholes of the view.
9b2bd54c98edb185a3985410367754ab33217362bnicholes When <span class="command"><strong>named</strong></span> is
9b2bd54c98edb185a3985410367754ab33217362bnicholes restarted, the file will be loaded into the view
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg configuration, so that zones that were added
9b2bd54c98edb185a3985410367754ab33217362bnicholes can persist after a restart.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes This sample <span class="command"><strong>addzone</strong></span> command
9b2bd54c98edb185a3985410367754ab33217362bnicholes would add the zone <code class="literal">example.com</code>
9b2bd54c98edb185a3985410367754ab33217362bnicholes to the default view:
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<code class="prompt">$ </code><strong class="userinput"><code>rndc addzone example.com '{ type master; file "example.com.db"; };'</code></strong>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes (Note the brackets and semi-colon around the zone
9b2bd54c98edb185a3985410367754ab33217362bnicholes configuration text.)
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes See also <span class="command"><strong>rndc delzone</strong></span> and <span class="command"><strong>rndc modzone</strong></span>.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes </dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dt><span class="term"><strong class="userinput"><code>delzone [<span class="optional">-clean</span>] <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>] </code></strong></span></dt>
9b2bd54c98edb185a3985410367754ab33217362bnicholes<dd>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes Delete a zone while the server is running.
9b2bd54c98edb185a3985410367754ab33217362bnicholes </p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes <p>
9b2bd54c98edb185a3985410367754ab33217362bnicholes If the <code class="option">-clean</code> argument is specified,
9b2bd54c98edb185a3985410367754ab33217362bnicholes the zone's master file (and journal file, if any)
9b2bd54c98edb185a3985410367754ab33217362bnicholes will be deleted along with the zone. Without the
9b2bd54c98edb185a3985410367754ab33217362bnicholes <code class="option">-clean</code> option, zone files must
ac7985784d08a3655291f24f711812b4d8b1cbcffuankg be cleaned up by hand. (If the zone is of
type "slave" or "stub", the files needing to
be cleaned up will be reported in the output
of the <span class="command"><strong>rndc delzone</strong></span> command.)
</p>
<p>
If the zone was originally added via
<span class="command"><strong>rndc addzone</strong></span>, then it will be
removed permanently. However, if it was originally
configured in <code class="filename">named.conf</code>, then
that original configuration is still in place; when
the server is restarted or reconfigured, the zone will
come back. To remove it permanently, it must also be
removed from <code class="filename">named.conf</code>
</p>
<p>
See also <span class="command"><strong>rndc addzone</strong></span> and <span class="command"><strong>rndc modzone</strong></span>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>dnstap ( -reopen | -roll [<span class="optional"><em class="replaceable"><code>number</code></em></span>] )</code></strong></span></dt>
<dd>
<p>
Close and re-open DNSTAP output files.
<span class="command"><strong>rndc dnstap -reopen</strong></span> allows the output
file to be renamed externally, so
that <span class="command"><strong>named</strong></span> can truncate and re-open it.
<span class="command"><strong>rndc dnstap -roll</strong></span> causes the output file
to be rolled automatically, similar to log files; the most
recent output file has ".0" appended to its name; the
previous most recent output file is moved to ".1", and so on.
If <em class="replaceable"><code>number</code></em> is specified, then the
number of backup log files is limited to that number.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>dumpdb [<span class="optional">-all|-cache|-zones|-adb|-bad|-fail</span>] [<span class="optional"><em class="replaceable"><code>view ...</code></em></span>]</code></strong></span></dt>
<dd>
<p>
Dump the server's caches (default) and/or zones to
the dump file for the specified views. If no view
is specified, all views are dumped.
(See the <span class="command"><strong>dump-file</strong></span> option in
the BIND 9 Administrator Reference Manual.)
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>flush</code></strong></span></dt>
<dd>
<p>
Flushes the server's cache.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>flushname</code></strong> <em class="replaceable"><code>name</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>] </span></dt>
<dd>
<p>
Flushes the given name from the view's DNS cache
and, if applicable, from the view's nameserver address
database, bad server cache and SERVFAIL cache.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>flushtree</code></strong> <em class="replaceable"><code>name</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>] </span></dt>
<dd>
<p>
Flushes the given name, and all of its subdomains,
from the view's DNS cache, address database,
bad server cache, and SERVFAIL cache.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>freeze [<span class="optional"><em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</span>]</code></strong></span></dt>
<dd>
<p>
Suspend updates to a dynamic zone. If no zone is
specified, then all zones are suspended. This allows
manual edits to be made to a zone normally updated by
dynamic update. It also causes changes in the
journal file to be synced into the master file.
All dynamic update attempts will be refused while
the zone is frozen.
</p>
<p>
See also <span class="command"><strong>rndc thaw</strong></span>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>halt [<span class="optional">-p</span>]</code></strong></span></dt>
<dd>
<p>
Stop the server immediately. Recent changes
made through dynamic update or IXFR are not saved to
the master files, but will be rolled forward from the
journal files when the server is restarted.
If <code class="option">-p</code> is specified <span class="command"><strong>named</strong></span>'s process id is returned.
This allows an external process to determine when <span class="command"><strong>named</strong></span>
had completed halting.
</p>
<p>
See also <span class="command"><strong>rndc stop</strong></span>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>loadkeys <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
<dd>
<p>
Fetch all DNSSEC keys for the given zone
from the key directory. If they are within
their publication period, merge them into the
zone's DNSKEY RRset. Unlike <span class="command"><strong>rndc
sign</strong></span>, however, the zone is not
immediately re-signed by the new keys, but is
allowed to incrementally re-sign over time.
</p>
<p>
This command requires that the
<span class="command"><strong>auto-dnssec</strong></span> zone option
be set to <code class="literal">maintain</code>,
and also requires the zone to be configured to
allow dynamic DNS.
(See "Dynamic Update Policies" in the Administrator
Reference Manual for more details.)
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>managed-keys <em class="replaceable"><code>(status | refresh | sync)</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
<dd>
<p>
When run with the "status" keyword, print the current
status of the managed-keys database for the specified
view, or for all views if none is specified. When run
with the "refresh" keyword, force an immediate refresh
of all the managed-keys in the specified view, or all
views. When run with the "sync" keyword, force an
immediate dump of the managed-keys database to disk (in
the file <code class="filename">managed-keys.bind</code> or
(<code class="filename"><em class="replaceable"><code>viewname</code></em>.mkeys</code>).
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>modzone <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>] <em class="replaceable"><code>configuration</code></em> </code></strong></span></dt>
<dd>
<p>
Modify the configuration of a zone while the server
is running. This command requires the
<span class="command"><strong>allow-new-zones</strong></span> option to be
set to <strong class="userinput"><code>yes</code></strong>. As with
<span class="command"><strong>addzone</strong></span>, the
<em class="replaceable"><code>configuration</code></em> string
specified on the command line is the zone
configuration text that would ordinarily be
placed in <code class="filename">named.conf</code>.
</p>
<p>
If the zone was originally added via
<span class="command"><strong>rndc addzone</strong></span>, the configuration
changes will be recorded permanently and will still be
in effect after the server is restarted or reconfigured.
However, if it was originally configured in
<code class="filename">named.conf</code>, then that original
configuration is still in place; when the server is
restarted or reconfigured, the zone will revert to
its original configuration. To make the changes
permanent, it must also be modified in
<code class="filename">named.conf</code>
</p>
<p>
See also <span class="command"><strong>rndc addzone</strong></span> and <span class="command"><strong>rndc delzone</strong></span>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>notify <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
<dd>
<p>
Resend NOTIFY messages for the zone.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>notrace</code></strong></span></dt>
<dd>
<p>
Sets the server's debugging level to 0.
</p>
<p>
See also <span class="command"><strong>rndc trace</strong></span>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>nta
[<span class="optional">( -d | -f | -r | -l <em class="replaceable"><code>duration</code></em>)</span>]
<em class="replaceable"><code>domain</code></em>
[<span class="optional"><em class="replaceable"><code>view</code></em></span>]
</code></strong></span></dt>
<dd>
<p>
Sets a DNSSEC negative trust anchor (NTA)
for <code class="option">domain</code>, with a lifetime of
<code class="option">duration</code>. The default lifetime is
configured in <code class="filename">named.conf</code> via the
<code class="option">nta-lifetime</code> option, and defaults to
one hour. The lifetime cannot exceed one week.
</p>
<p>
A negative trust anchor selectively disables
DNSSEC validation for zones that are known to be
failing because of misconfiguration rather than
an attack. When data to be validated is
at or below an active NTA (and above any other
configured trust anchors), <span class="command"><strong>named</strong></span> will
abort the DNSSEC validation process and treat the data as
insecure rather than bogus. This continues until the
NTA's lifetime is elapsed.
</p>
<p>
NTAs persist across restarts of the <span class="command"><strong>named</strong></span> server.
The NTAs for a view are saved in a file called
<code class="filename"><em class="replaceable"><code>name</code></em>.nta</code>,
where <em class="replaceable"><code>name</code></em> is the
name of the view, or if it contains characters
that are incompatible with use as a file name, a
cryptographic hash generated from the name
of the view.
</p>
<p>
An existing NTA can be removed by using the
<code class="option">-remove</code> option.
</p>
<p>
An NTA's lifetime can be specified with the
<code class="option">-lifetime</code> option. TTL-style
suffixes can be used to specify the lifetime in
seconds, minutes, or hours. If the specified NTA
already exists, its lifetime will be updated to the
new value. Setting <code class="option">lifetime</code> to zero
is equivalent to <code class="option">-remove</code>.
</p>
<p>
If <code class="option">-dump</code> is used, any other arguments
are ignored, and a list of existing NTAs is printed
(note that this may include NTAs that are expired but
have not yet been cleaned up).
</p>
<p>
Normally, <span class="command"><strong>named</strong></span> will periodically
test to see whether data below an NTA can now be
validated (see the <code class="option">nta-recheck</code> option
in the Administrator Reference Manual for details).
If data can be validated, then the NTA is regarded as
no longer necessary, and will be allowed to expire
early. The <code class="option">-force</code> overrides this
behavior and forces an NTA to persist for its entire
lifetime, regardless of whether data could be
validated if the NTA were not present.
</p>
<p>
All of these options can be shortened, i.e., to
<code class="option">-l</code>, <code class="option">-r</code>, <code class="option">-d</code>,
and <code class="option">-f</code>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>querylog</code></strong> [<span class="optional"> on | off </span>] </span></dt>
<dd>
<p>
Enable or disable query logging. (For backward
compatibility, this command can also be used without
an argument to toggle query logging on and off.)
</p>
<p>
Query logging can also be enabled
by explicitly directing the <span class="command"><strong>queries</strong></span>
<span class="command"><strong>category</strong></span> to a
<span class="command"><strong>channel</strong></span> in the
<span class="command"><strong>logging</strong></span> section of
<code class="filename">named.conf</code> or by specifying
<span class="command"><strong>querylog yes;</strong></span> in the
<span class="command"><strong>options</strong></span> section of
<code class="filename">named.conf</code>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>reconfig</code></strong></span></dt>
<dd>
<p>
Reload the configuration file and load new zones,
but do not reload existing zone files even if they
have changed.
This is faster than a full <span class="command"><strong>reload</strong></span> when there
is a large number of zones because it avoids the need
to examine the
modification times of the zones files.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>recursing</code></strong></span></dt>
<dd>
<p>
Dump the list of queries <span class="command"><strong>named</strong></span> is currently
recursing on, and the list of domains to which iterative
queries are currently being sent. (The second list includes
the number of fetches currently active for the given domain,
and how many have been passed or dropped because of the
<code class="option">fetches-per-zone</code> option.)
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>refresh <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
<dd>
<p>
Schedule zone maintenance for the given zone.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>reload</code></strong></span></dt>
<dd>
<p>
Reload configuration file and zones.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>reload <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
<dd>
<p>
Reload the given zone.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>retransfer <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
<dd>
<p>
Retransfer the given slave zone from the master server.
</p>
<p>
If the zone is configured to use
<span class="command"><strong>inline-signing</strong></span>, the signed
version of the zone is discarded; after the
retransfer of the unsigned version is complete, the
signed version will be regenerated with all new
signatures.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>scan</code></strong></span></dt>
<dd>
<p>
Scan the list of available network interfaces
for changes, without performing a full
<span class="command"><strong>reconfig</strong></span> or waiting for the
<span class="command"><strong>interface-interval</strong></span> timer.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>secroots [<span class="optional">-</span>] [<span class="optional"><em class="replaceable"><code>view ...</code></em></span>]</code></strong></span></dt>
<dd>
<p>
Dump the server's security roots and negative trust anchors
for the specified views. If no view is specified, all views
are dumped.
</p>
<p>
If the first argument is "-", then the output is
returned via the <span class="command"><strong>rndc</strong></span> response channel
and printed to the standard output.
Otherwise, it is written to the secroots dump file, which
defaults to <code class="filename">named.secroots</code>, but can be
overridden via the <code class="option">secroots-file</code> option in
<code class="filename">named.conf</code>.
</p>
<p>
See also <span class="command"><strong>rndc managed-keys</strong></span>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>showzone <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>] </code></strong></span></dt>
<dd>
<p>
Print the configuration of a running zone.
</p>
<p>
See also <span class="command"><strong>rndc zonestatus</strong></span>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>sign <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
<dd>
<p>
Fetch all DNSSEC keys for the given zone
from the key directory (see the
<span class="command"><strong>key-directory</strong></span> option in
the BIND 9 Administrator Reference Manual). If they are within
their publication period, merge them into the
zone's DNSKEY RRset. If the DNSKEY RRset
is changed, then the zone is automatically
re-signed with the new key set.
</p>
<p>
This command requires that the
<span class="command"><strong>auto-dnssec</strong></span> zone option be set
to <code class="literal">allow</code> or
<code class="literal">maintain</code>,
and also requires the zone to be configured to
allow dynamic DNS.
(See "Dynamic Update Policies" in the Administrator
Reference Manual for more details.)
</p>
<p>
See also <span class="command"><strong>rndc loadkeys</strong></span>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>signing [<span class="optional">( -list | -clear <em class="replaceable"><code>keyid/algorithm</code></em> | -clear <code class="literal">all</code> | -nsec3param ( <em class="replaceable"><code>parameters</code></em> | <code class="literal">none</code> ) | -serial <em class="replaceable"><code>value</code></em> ) </span>] <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>] </code></strong></span></dt>
<dd>
<p>
List, edit, or remove the DNSSEC signing state records
for the specified zone. The status of ongoing DNSSEC
operations (such as signing or generating
NSEC3 chains) is stored in the zone in the form
of DNS resource records of type
<span class="command"><strong>sig-signing-type</strong></span>.
<span class="command"><strong>rndc signing -list</strong></span> converts
these records into a human-readable form,
indicating which keys are currently signing
or have finished signing the zone, and which NSEC3
chains are being created or removed.
</p>
<p>
<span class="command"><strong>rndc signing -clear</strong></span> can remove
a single key (specified in the same format that
<span class="command"><strong>rndc signing -list</strong></span> uses to
display it), or all keys. In either case, only
completed keys are removed; any record indicating
that a key has not yet finished signing the zone
will be retained.
</p>
<p>
<span class="command"><strong>rndc signing -nsec3param</strong></span> sets
the NSEC3 parameters for a zone. This is the
only supported mechanism for using NSEC3 with
<span class="command"><strong>inline-signing</strong></span> zones.
Parameters are specified in the same format as
an NSEC3PARAM resource record: hash algorithm,
flags, iterations, and salt, in that order.
</p>
<p>
Currently, the only defined value for hash algorithm
is <code class="literal">1</code>, representing SHA-1.
The <code class="option">flags</code> may be set to
<code class="literal">0</code> or <code class="literal">1</code>,
depending on whether you wish to set the opt-out
bit in the NSEC3 chain. <code class="option">iterations</code>
defines the number of additional times to apply
the algorithm when generating an NSEC3 hash. The
<code class="option">salt</code> is a string of data expressed
in hexadecimal, a hyphen (`-') if no salt is
to be used, or the keyword <code class="literal">auto</code>,
which causes <span class="command"><strong>named</strong></span> to generate a
random 64-bit salt.
</p>
<p>
So, for example, to create an NSEC3 chain using
the SHA-1 hash algorithm, no opt-out flag,
10 iterations, and a salt value of "FFFF", use:
<span class="command"><strong>rndc signing -nsec3param 1 0 10 FFFF <em class="replaceable"><code>zone</code></em></strong></span>.
To set the opt-out flag, 15 iterations, and no
salt, use:
<span class="command"><strong>rndc signing -nsec3param 1 1 15 - <em class="replaceable"><code>zone</code></em></strong></span>.
</p>
<p>
<span class="command"><strong>rndc signing -nsec3param none</strong></span>
removes an existing NSEC3 chain and replaces it
with NSEC.
</p>
<p>
<span class="command"><strong>rndc signing -serial value</strong></span> sets
the serial number of the zone to value. If the value
would cause the serial number to go backwards it will
be rejected. The primary use is to set the serial on
inline signed zones.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>stats</code></strong></span></dt>
<dd>
<p>
Write server statistics to the statistics file.
(See the <span class="command"><strong>statistics-file</strong></span> option in
the BIND 9 Administrator Reference Manual.)
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>status</code></strong></span></dt>
<dd>
<p>
Display status of the server.
Note that the number of zones includes the internal <span class="command"><strong>bind/CH</strong></span> zone
and the default <span class="command"><strong>/IN</strong></span>
hint zone if there is not an
explicit root zone configured.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>stop [<span class="optional">-p</span>]</code></strong></span></dt>
<dd>
<p>
Stop the server, making sure any recent changes
made through dynamic update or IXFR are first saved to
the master files of the updated zones.
If <code class="option">-p</code> is specified <span class="command"><strong>named</strong></span>'s process id is returned.
This allows an external process to determine when <span class="command"><strong>named</strong></span>
had completed stopping.
</p>
<p>See also <span class="command"><strong>rndc halt</strong></span>.</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>sync [<span class="optional">-clean</span>] [<span class="optional"><em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</span>]</code></strong></span></dt>
<dd>
<p>
Sync changes in the journal file for a dynamic zone
to the master file. If the "-clean" option is
specified, the journal file is also removed. If
no zone is specified, then all zones are synced.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>thaw [<span class="optional"><em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</span>]</code></strong></span></dt>
<dd>
<p>
Enable updates to a frozen dynamic zone. If no
zone is specified, then all frozen zones are
enabled. This causes the server to reload the zone
from disk, and re-enables dynamic updates after the
load has completed. After a zone is thawed,
dynamic updates will no longer be refused. If
the zone has changed and the
<span class="command"><strong>ixfr-from-differences</strong></span> option is
in use, then the journal file will be updated to
reflect changes in the zone. Otherwise, if the
zone has changed, any existing journal file will be
removed.
</p>
<p>See also <span class="command"><strong>rndc freeze</strong></span>.</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>trace</code></strong></span></dt>
<dd>
<p>
Increment the servers debugging level by one.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>trace <em class="replaceable"><code>level</code></em></code></strong></span></dt>
<dd>
<p>
Sets the server's debugging level to an explicit
value.
</p>
<p>
See also <span class="command"><strong>rndc notrace</strong></span>.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>tsig-delete</code></strong> <em class="replaceable"><code>keyname</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span></dt>
<dd>
<p>
Delete a given TKEY-negotiated key from the server.
(This does not apply to statically configured TSIG
keys.)
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>tsig-list</code></strong></span></dt>
<dd>
<p>
List the names of all TSIG keys currently configured
for use by <span class="command"><strong>named</strong></span> in each view. The
list both statically configured keys and dynamic
TKEY-negotiated keys.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>validation ( on | off | status ) [<span class="optional"><em class="replaceable"><code>view ...</code></em></span>] </code></strong></span></dt>
<dd>
<p>
Enable, disable, or check the current status of
DNSSEC validation.
Note <span class="command"><strong>dnssec-enable</strong></span> also needs to be
set to <strong class="userinput"><code>yes</code></strong> or
<strong class="userinput"><code>auto</code></strong> to be effective.
It defaults to enabled.
</p>
</dd>
<dt><span class="term"><strong class="userinput"><code>zonestatus <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
<dd>
<p>
Displays the current status of the given zone,
including the master file name and any include
files from which it was loaded, when it was most
recently loaded, the current serial number, the
number of nodes, whether the zone supports
dynamic updates, whether the zone is DNSSEC
signed, whether it uses automatic DNSSEC key
management or inline signing, and the scheduled
refresh or expiry times for the zone.
</p>
<p>
See also <span class="command"><strong>rndc showzone</strong></span>.
</p>
</dd>
</dl></div>
</div>
<div class="refsection">
<a name="id-1.14.27.10"></a><h2>LIMITATIONS</h2>
<p>
There is currently no way to provide the shared secret for a
<code class="option">key_id</code> without using the configuration file.
</p>
<p>
Several error messages could be clearer.
</p>
</div>
<div class="refsection">
<a name="id-1.14.27.11"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry">
<span class="refentrytitle">rndc.conf</span>(5)
</span>,
<span class="citerefentry">
<span class="refentrytitle">rndc-confgen</span>(8)
</span>,
<span class="citerefentry">
<span class="refentrytitle">named</span>(8)
</span>,
<span class="citerefentry">
<span class="refentrytitle">named.conf</span>(5)
</span>,
<span class="citerefentry">
<span class="refentrytitle">ndc</span>(8)
</span>,
<em class="citetitle">BIND 9 Administrator Reference Manual</em>.
</p>
</div>
</div>
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