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+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
+ [<!ENTITY mdash "&#8212;">]>
+<!--
+ - Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC")
+ - Copyright (C) 2000-2003 Internet Software Consortium.
+ -
+ - Permission to use, copy, modify, and/or distribute this software for any
+ - purpose with or without fee is hereby granted, provided that the above
+ - copyright notice and this permission notice appear in all copies.
+ -
+ - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ - AND FITNESS. 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: dnssec-signzone.docbook,v 1.10.18.17 2007/08/28 07:20:00 tbox Exp $ -->
+<refentry id="man.dnssec-signzone">
+ <refentryinfo>
+ <date>June 30, 2000</date>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle><application>dnssec-signzone</application></refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo>BIND9</refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+ <refname><application>dnssec-signzone</application></refname>
+ <refpurpose>DNSSEC zone signing tool</refpurpose>
+ </refnamediv>
+
+ <docinfo>
+ <copyright>
+ <year>2004</year>
+ <year>2005</year>
+ <year>2006</year>
+ <year>2007</year>
+ <holder>Internet Systems Consortium, Inc. ("ISC")</holder>
+ </copyright>
+ <copyright>
+ <year>2000</year>
+ <year>2001</year>
+ <year>2002</year>
+ <year>2003</year>
+ <holder>Internet Software Consortium.</holder>
+ </copyright>
+ </docinfo>
+
+ <refsynopsisdiv>
+ <cmdsynopsis>
+ <command>dnssec-signzone</command>
+ <arg><option>-a</option></arg>
+ <arg><option>-c <replaceable class="parameter">class</replaceable></option></arg>
+ <arg><option>-d <replaceable class="parameter">directory</replaceable></option></arg>
+ <arg><option>-e <replaceable class="parameter">end-time</replaceable></option></arg>
+ <arg><option>-f <replaceable class="parameter">output-file</replaceable></option></arg>
+ <arg><option>-g</option></arg>
+ <arg><option>-h</option></arg>
+ <arg><option>-k <replaceable class="parameter">key</replaceable></option></arg>
+ <arg><option>-l <replaceable class="parameter">domain</replaceable></option></arg>
+ <arg><option>-i <replaceable class="parameter">interval</replaceable></option></arg>
+ <arg><option>-I <replaceable class="parameter">input-format</replaceable></option></arg>
+ <arg><option>-j <replaceable class="parameter">jitter</replaceable></option></arg>
+ <arg><option>-N <replaceable class="parameter">soa-serial-format</replaceable></option></arg>
+ <arg><option>-o <replaceable class="parameter">origin</replaceable></option></arg>
+ <arg><option>-O <replaceable class="parameter">output-format</replaceable></option></arg>
+ <arg><option>-p</option></arg>
+ <arg><option>-r <replaceable class="parameter">randomdev</replaceable></option></arg>
+ <arg><option>-s <replaceable class="parameter">start-time</replaceable></option></arg>
+ <arg><option>-t</option></arg>
+ <arg><option>-v <replaceable class="parameter">level</replaceable></option></arg>
+ <arg><option>-z</option></arg>
+ <arg choice="req">zonefile</arg>
+ <arg rep="repeat">key</arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>DESCRIPTION</title>
+ <para><command>dnssec-signzone</command>
+ signs a zone. It generates
+ NSEC and RRSIG records and produces a signed version of the
+ zone. The security status of delegations from the signed zone
+ (that is, whether the child zones are secure or not) is
+ determined by the presence or absence of a
+ <filename>keyset</filename> file for each child zone.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>OPTIONS</title>
+
+ <variablelist>
+ <varlistentry>
+ <term>-a</term>
+ <listitem>
+ <para>
+ Verify all generated signatures.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-c <replaceable class="parameter">class</replaceable></term>
+ <listitem>
+ <para>
+ Specifies the DNS class of the zone.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-k <replaceable class="parameter">key</replaceable></term>
+ <listitem>
+ <para>
+ Treat specified key as a key signing key ignoring any
+ key flags. This option may be specified multiple times.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-l <replaceable class="parameter">domain</replaceable></term>
+ <listitem>
+ <para>
+ Generate a DLV set in addition to the key (DNSKEY) and DS sets.
+ The domain is appended to the name of the records.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-d <replaceable class="parameter">directory</replaceable></term>
+ <listitem>
+ <para>
+ Look for <filename>keyset</filename> files in
+ <option>directory</option> as the directory
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-g</term>
+ <listitem>
+ <para>
+ Generate DS records for child zones from keyset files.
+ Existing DS records will be removed.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-s <replaceable class="parameter">start-time</replaceable></term>
+ <listitem>
+ <para>
+ Specify the date and time when the generated RRSIG records
+ become valid. This can be either an absolute or relative
+ time. An absolute start time is indicated by a number
+ in YYYYMMDDHHMMSS notation; 20000530144500 denotes
+ 14:45:00 UTC on May 30th, 2000. A relative start time is
+ indicated by +N, which is N seconds from the current time.
+ If no <option>start-time</option> is specified, the current
+ time minus 1 hour (to allow for clock skew) is used.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-e <replaceable class="parameter">end-time</replaceable></term>
+ <listitem>
+ <para>
+ Specify the date and time when the generated RRSIG records
+ expire. As with <option>start-time</option>, an absolute
+ time is indicated in YYYYMMDDHHMMSS notation. A time relative
+ to the start time is indicated with +N, which is N seconds from
+ the start time. A time relative to the current time is
+ indicated with now+N. If no <option>end-time</option> is
+ specified, 30 days from the start time is used as a default.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-f <replaceable class="parameter">output-file</replaceable></term>
+ <listitem>
+ <para>
+ The name of the output file containing the signed zone. The
+ default is to append <filename>.signed</filename> to
+ the
+ input filename.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-h</term>
+ <listitem>
+ <para>
+ Prints a short summary of the options and arguments to
+ <command>dnssec-signzone</command>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-i <replaceable class="parameter">interval</replaceable></term>
+ <listitem>
+ <para>
+ When a previously-signed zone is passed as input, records
+ may be resigned. The <option>interval</option> option
+ specifies the cycle interval as an offset from the current
+ time (in seconds). If a RRSIG record expires after the
+ cycle interval, it is retained. Otherwise, it is considered
+ to be expiring soon, and it will be replaced.
+ </para>
+ <para>
+ The default cycle interval is one quarter of the difference
+ between the signature end and start times. So if neither
+ <option>end-time</option> or <option>start-time</option>
+ are specified, <command>dnssec-signzone</command>
+ generates
+ signatures that are valid for 30 days, with a cycle
+ interval of 7.5 days. Therefore, if any existing RRSIG records
+ are due to expire in less than 7.5 days, they would be
+ replaced.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-I <replaceable class="parameter">input-format</replaceable></term>
+ <listitem>
+ <para>
+ The format of the input zone file.
+ Possible formats are <command>"text"</command> (default)
+ and <command>"raw"</command>.
+ This option is primarily intended to be used for dynamic
+ signed zones so that the dumped zone file in a non-text
+ format containing updates can be signed directly.
+ The use of this option does not make much sense for
+ non-dynamic zones.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-j <replaceable class="parameter">jitter</replaceable></term>
+ <listitem>
+ <para>
+ When signing a zone with a fixed signature lifetime, all
+ RRSIG records issued at the time of signing expires
+ simultaneously. If the zone is incrementally signed, i.e.
+ a previously-signed zone is passed as input to the signer,
+ all expired signatures have to be regenerated at about the
+ same time. The <option>jitter</option> option specifies a
+ jitter window that will be used to randomize the signature
+ expire time, thus spreading incremental signature
+ regeneration over time.
+ </para>
+ <para>
+ Signature lifetime jitter also to some extent benefits
+ validators and servers by spreading out cache expiration,
+ i.e. if large numbers of RRSIGs don't expire at the same time
+ from all caches there will be less congestion than if all
+ validators need to refetch at mostly the same time.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-n <replaceable class="parameter">ncpus</replaceable></term>
+ <listitem>
+ <para>
+ Specifies the number of threads to use. By default, one
+ thread is started for each detected CPU.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-N <replaceable class="parameter">soa-serial-format</replaceable></term>
+ <listitem>
+ <para>
+ The SOA serial number format of the signed zone.
+ Possible formats are <command>"keep"</command> (default),
+ <command>"increment"</command> and
+ <command>"unixtime"</command>.
+ </para>
+
+ <variablelist>
+ <varlistentry>
+ <term><command>"keep"</command></term>
+ <listitem>
+ <para>Do not modify the SOA serial number.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>"increment"</command></term>
+ <listitem>
+ <para>Increment the SOA serial number using RFC 1982
+ arithmetics.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>"unixtime"</command></term>
+ <listitem>
+ <para>Set the SOA serial number to the number of seconds
+ since epoch.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-o <replaceable class="parameter">origin</replaceable></term>
+ <listitem>
+ <para>
+ The zone origin. If not specified, the name of the zone file
+ is assumed to be the origin.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-O <replaceable class="parameter">output-format</replaceable></term>
+ <listitem>
+ <para>
+ The format of the output file containing the signed zone.
+ Possible formats are <command>"text"</command> (default)
+ and <command>"raw"</command>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-p</term>
+ <listitem>
+ <para>
+ Use pseudo-random data when signing the zone. This is faster,
+ but less secure, than using real random data. This option
+ may be useful when signing large zones or when the entropy
+ source is limited.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-r <replaceable class="parameter">randomdev</replaceable></term>
+ <listitem>
+ <para>
+ Specifies the source of randomness. If the operating
+ system does not provide a <filename>/dev/random</filename>
+ or equivalent device, the default source of randomness
+ is keyboard input. <filename>randomdev</filename>
+ specifies
+ the name of a character device or file containing random
+ data to be used instead of the default. The special value
+ <filename>keyboard</filename> indicates that keyboard
+ input should be used.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-t</term>
+ <listitem>
+ <para>
+ Print statistics at completion.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-v <replaceable class="parameter">level</replaceable></term>
+ <listitem>
+ <para>
+ Sets the debugging level.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>-z</term>
+ <listitem>
+ <para>
+ Ignore KSK flag on key when determining what to sign.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>zonefile</term>
+ <listitem>
+ <para>
+ The file containing the zone to be signed.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>key</term>
+ <listitem>
+ <para>
+ Specify which keys should be used to sign the zone. If
+ no keys are specified, then the zone will be examined
+ for DNSKEY records at the zone apex. If these are found and
+ there are matching private keys, in the current directory,
+ then these will be used for signing.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>EXAMPLE</title>
+ <para>
+ The following command signs the <userinput>example.com</userinput>
+ zone with the DSA key generated by <command>dnssec-keygen</command>
+ (Kexample.com.+003+17247). The zone's keys must be in the master
+ file (<filename>db.example.com</filename>). This invocation looks
+ for <filename>keyset</filename> files, in the current directory,
+ so that DS records can be generated from them (<command>-g</command>).
+ </para>
+<programlisting>% dnssec-signzone -g -o example.com db.example.com \
+Kexample.com.+003+17247
+db.example.com.signed
+%</programlisting>
+ <para>
+ In the above example, <command>dnssec-signzone</command> creates
+ the file <filename>db.example.com.signed</filename>. This
+ file should be referenced in a zone statement in a
+ <filename>named.conf</filename> file.
+ </para>
+ <para>
+ This example re-signs a previously signed zone with default parameters.
+ The private keys are assumed to be in the current directory.
+ </para>
+<programlisting>% cp db.example.com.signed db.example.com
+% dnssec-signzone -o example.com db.example.com
+db.example.com.signed
+%</programlisting>
+ </refsect1>
+
+ <refsect1>
+ <title>SEE ALSO</title>
+ <para><citerefentry>
+ <refentrytitle>dnssec-keygen</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citetitle>BIND 9 Administrator Reference Manual</citetitle>,
+ <citetitle>RFC 2535</citetitle>.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>AUTHOR</title>
+ <para><corpauthor>Internet Systems Consortium</corpauthor>
+ </para>
+ </refsect1>
+
+</refentry><!--
+ - Local variables:
+ - mode: sgml
+ - End:
+-->
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