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span class="application">rndc-confgen</
span></
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1N/A<
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1N/A<
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th>
1N/A<
div class="refentry">
1N/A<
div class="refnamediv">
1N/A<
p><
span class="application">rndc-confgen</
span> — rndc key generation tool</
p>
1N/A<
div class="refsynopsisdiv">
1N/A<
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>
1N/A<
div class="refsection">
1N/A<
a name="id-1.14.25.7"></
a><
h2>DESCRIPTION</
h2>
1N/A<
p><
span class="command"><
strong>rndc-confgen</
strong></
span>
1N/A generates configuration files
1N/A for <
span class="command"><
strong>rndc</
strong></
span>. It can be used as a
1N/A convenient alternative to writing the
1N/A and the corresponding <
span class="command"><
strong>controls</
strong></
span>
1N/A and <
span class="command"><
strong>key</
strong></
span>
1N/A Alternatively, it can be run with the <
span class="command"><
strong>-a</
strong></
span>
1N/A option to set up a <
code class="filename">
rndc.key</
code> file and
1N/A avoid the need for a <
code class="filename">
rndc.conf</
code> file
1N/A and a <
span class="command"><
strong>controls</
strong></
span> statement altogether.
1N/A<
div class="refsection">
1N/A<
a name="id-1.14.25.8"></
a><
h2>OPTIONS</
h2>
1N/A<
div class="variablelist"><
dl class="variablelist">
1N/A<
dt><
span class="term">-a</
span></
dt>
1N/A Do automatic <
span class="command"><
strong>rndc</
strong></
span> configuration.
1N/A This creates a file <
code class="filename">
rndc.key</
code>
1N/A in <
code class="filename">/etc</
code> (or whatever
1N/A <
code class="varname">sysconfdir</
code>
1N/A was specified as when <
acronym class="acronym">BIND</
acronym> was
1N/A that is read by both <
span class="command"><
strong>rndc</
strong></
span>
1N/A and <
span class="command"><
strong>named</
strong></
span> on startup. The
1N/A <
code class="filename">
rndc.key</
code> file defines a default
1N/A command channel and authentication key allowing
1N/A <
span class="command"><
strong>rndc</
strong></
span> to communicate with
1N/A <
span class="command"><
strong>named</
strong></
span> on the local host
1N/A with no further configuration.
1N/A Running <
span class="command"><
strong>rndc-confgen -a</
strong></
span> allows
1N/A BIND 9 and <
span class="command"><
strong>rndc</
strong></
span> to be used as
1N/A replacements for BIND 8 and <
span class="command"><
strong>ndc</
strong></
span>,
1N/A with no changes to the existing BIND 8
1N/A If a more elaborate configuration than that
1N/A generated by <
span class="command"><
strong>rndc-confgen -a</
strong></
span>
1N/A is required, for example if rndc is to be used remotely,
1N/A you should run <
span class="command"><
strong>rndc-confgen</
strong></
span> without
1N/A <
span class="command"><
strong>-a</
strong></
span> option and set up a
1N/A<
dt><
span class="term">-A <
em class="replaceable"><
code>algorithm</
code></
em></
span></
dt>
1N/A Specifies the algorithm to use for the TSIG key. Available
1N/A choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256,
1N/A hmac-sha384 and hmac-sha512. The default is hmac-md5.
1N/A<
dt><
span class="term">-b <
em class="replaceable"><
code>keysize</
code></
em></
span></
dt>
1N/A Specifies the size of the authentication key in bits.
1N/A Must be between 1 and 512 bits; the default is the
1N/A<
dt><
span class="term">-c <
em class="replaceable"><
code>keyfile</
code></
em></
span></
dt>
1N/A Used with the <
span class="command"><
strong>-a</
strong></
span> option to specify
1N/A an alternate location for <
code class="filename">
rndc.key</
code>.
1N/A<
dt><
span class="term">-h</
span></
dt>
1N/A Prints a short summary of the options and arguments to
1N/A <
span class="command"><
strong>rndc-confgen</
strong></
span>.
1N/A<
dt><
span class="term">-k <
em class="replaceable"><
code>keyname</
code></
em></
span></
dt>
1N/A Specifies the key name of the rndc authentication key.
1N/A This must be a valid domain name.
1N/A The default is <
code class="constant">rndc-key</
code>.
1N/A<
dt><
span class="term">-p <
em class="replaceable"><
code>port</
code></
em></
span></
dt>
1N/A Specifies the command channel port where <
span class="command"><
strong>named</
strong></
span>
1N/A listens for connections from <
span class="command"><
strong>rndc</
strong></
span>.
1N/A<
dt><
span class="term">-r <
em class="replaceable"><
code>randomfile</
code></
em></
span></
dt>
1N/A Specifies a source of random data for generating the
1N/A authorization. If the operating
1N/A system does not provide a <
code class="filename">/
dev/
random</
code>
1N/A or equivalent device, the default source of randomness
1N/A is keyboard input. <
code class="filename">randomdev</
code>
1N/A the name of a character device or file containing random
1N/A data to be used instead of the default. The special value
1N/A <
code class="filename">keyboard</
code> indicates that keyboard
1N/A input should be used.
1N/A<
dt><
span class="term">-s <
em class="replaceable"><
code>address</
code></
em></
span></
dt>
1N/A Specifies the IP address where <
span class="command"><
strong>named</
strong></
span>
1N/A listens for command channel connections from
1N/A <
span class="command"><
strong>rndc</
strong></
span>. The default is the loopback
1N/A<
dt><
span class="term">-t <
em class="replaceable"><
code>chrootdir</
code></
em></
span></
dt>
1N/A Used with the <
span class="command"><
strong>-a</
strong></
span> option to specify
1N/A a directory where <
span class="command"><
strong>named</
strong></
span> will run
1N/A chrooted. An additional copy of the <
code class="filename">
rndc.key</
code>
1N/A will be written relative to this directory so that
1N/A it will be found by the chrooted <
span class="command"><
strong>named</
strong></
span>.
1N/A<
dt><
span class="term">-u <
em class="replaceable"><
code>user</
code></
em></
span></
dt>
1N/A Used with the <
span class="command"><
strong>-a</
strong></
span> option to set the
1N/A of the <
code class="filename">
rndc.key</
code> file generated.
1N/A <
span class="command"><
strong>-t</
strong></
span> is also specified only the file
1N/A the chroot area has its owner changed.
1N/A<
div class="refsection">
1N/A<
a name="id-1.14.25.9"></
a><
h2>EXAMPLES</
h2>
1N/A To allow <
span class="command"><
strong>rndc</
strong></
span> to be used with
1N/A no manual configuration, run
1N/A<
p><
strong class="userinput"><
code>rndc-confgen -a</
code></
strong>
1N/A To print a sample <
code class="filename">
rndc.conf</
code> file and
1N/A corresponding <
span class="command"><
strong>controls</
strong></
span> and <
span class="command"><
strong>key</
strong></
span>
1N/A statements to be manually inserted into <
code class="filename">
named.conf</
code>,
1N/A<
p><
strong class="userinput"><
code>rndc-confgen</
code></
strong>
1N/A<
div class="refsection">
1N/A<
a name="id-1.14.25.10"></
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>.
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