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- Committer: Teddy Hogeborn
- Date: 2009-10-22 00:05:01 UTC
- Revision ID: teddy@fukt.bsnet.se-20091022000501-g792e99q5g1wkyet
Merge from release branch.
- files removed:
- DBUS-API
- debian/source
- debian/upstream
- network-hooks.d
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-clients.conf.xml
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY CONFNAME "mandos-clients.conf">
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<!ENTITY CONFPATH "<filename>/etc/mandos/clients.conf</filename>">
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<!ENTITY TIMESTAMP "2016-03-05">
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<!ENTITY TIMESTAMP "2009-09-17">
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<!ENTITY % common SYSTEM "common.ent">
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%common;
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]>
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<firstname>Björn</firstname>
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<surname>Påhlsson</surname>
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<address>
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<email>belorn@recompile.se</email>
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<email>belorn@fukt.bsnet.se</email>
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</address>
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</author>
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<author>
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<firstname>Teddy</firstname>
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<surname>Hogeborn</surname>
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<address>
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<email>teddy@recompile.se</email>
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<email>teddy@fukt.bsnet.se</email>
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</address>
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</author>
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</authorgroup>
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<copyright>
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<year>2008</year>
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<year>2009</year>
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<year>2010</year>
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<year>2011</year>
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<year>2012</year>
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<year>2013</year>
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<year>2014</year>
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<year>2015</year>
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<year>2016</year>
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<holder>Teddy Hogeborn</holder>
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<holder>Björn Påhlsson</holder>
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</copyright>
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><refentrytitle>mandos</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry>, read by it at startup.
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The file needs to list all clients that should be able to use
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the service. The settings in this file can be overridden by
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runtime changes to the server, which it saves across restarts.
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(See the section called <quote>PERSISTENT STATE</quote> in
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<citerefentry><refentrytitle>mandos</refentrytitle><manvolnum
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>8</manvolnum></citerefentry>.) However, any <emphasis
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>changes</emphasis> to this file (including adding and removing
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clients) will, at startup, override changes done during runtime.
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the service. All clients listed will be regarded as valid, even
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if a client was declared invalid in a previous run of the
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server.
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</para>
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<para>
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The format starts with a <literal>[<replaceable>section
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<variablelist>
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<varlistentry>
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<term><option>approval_delay<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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<listitem>
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<para>
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This option is <emphasis>optional</emphasis>.
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</para>
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<para>
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How long to wait for external approval before resorting to
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use the <option>approved_by_default</option> value. The
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default is <quote>PT0S</quote>, i.e. not to wait.
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</para>
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<para>
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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> below.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>approval_duration<literal> = </literal
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><replaceable>TIME</replaceable></option></term>
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<listitem>
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<para>
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This option is <emphasis>optional</emphasis>.
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</para>
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<para>
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How long an external approval lasts. The default is 1
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second.
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</para>
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<para>
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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> below.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>approved_by_default<literal> = </literal
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>{ <literal >1</literal> | <literal>yes</literal> | <literal
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>true</literal> | <literal>on</literal> | <literal
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>0</literal> | <literal>no</literal> | <literal
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>false</literal> | <literal>off</literal> }</option></term>
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<listitem>
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<para>
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Whether to approve a client by default after
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the <option>approval_delay</option>. The default
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is <quote>True</quote>.
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<term><option>timeout<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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<listitem>
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<para>
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This option is <emphasis>optional</emphasis>.
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</para>
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<para>
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The timeout is how long the server will wait (for either a
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successful checker run or a client receiving its secret)
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until a client is considered invalid - that is, ineligible
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to get the data this server holds. By default Mandos will
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use 1 hour.
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</para>
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<para>
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The <replaceable>TIME</replaceable> is specified as a
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space-separated number of values, each of which is a
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number and a one-character suffix. The suffix must be one
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of <quote>d</quote>, <quote>s</quote>, <quote>m</quote>,
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<quote>h</quote>, and <quote>w</quote> for days, seconds,
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minutes, hours, and weeks, respectively. The values are
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added together to give the total time value, so all of
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<quote><literal>330s</literal></quote>,
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<quote><literal>110s 110s 110s</literal></quote>, and
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<quote><literal>5m 30s</literal></quote> will give a value
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of five minutes and thirty seconds.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>interval<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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<listitem>
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<para>
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This option is <emphasis>optional</emphasis>.
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</para>
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<para>
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How often to run the checker to confirm that a client is
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still up. <emphasis>Note:</emphasis> a new checker will
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not be started if an old one is still running. The server
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will wait for a checker to complete until the above
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<quote><varname>timeout</varname></quote> occurs, at which
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time the client will be marked invalid, and any running
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checker killed. The default interval is 5 minutes.
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</para>
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<para>
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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> above.
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</para>
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</listitem>
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</varlistentry>
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This option is <emphasis>optional</emphasis>.
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</para>
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<para>
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This option overrides the default shell command that the
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server will use to check if the client is still up. Any
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output of the command will be ignored, only the exit code
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is checked: If the exit code of the command is zero, the
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client is considered up. The command will be run using
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<quote><command><filename>/bin/sh</filename>
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This option allows you to override the default shell
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command that the server will use to check if the client is
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still up. Any output of the command will be ignored, only
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the exit code is checked: If the exit code of the command
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is zero, the client is considered up. The command will be
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run using <quote><command><filename>/bin/sh</filename>
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<option>-c</option></command></quote>, so
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<varname>PATH</varname> will be searched. The default
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value for the checker command is <quote><literal
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><command>fping</command> <option>-q</option> <option
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>--</option> %%(host)s</literal></quote>. Note that
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<command>mandos-keygen</command>, when generating output
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to be inserted into this file, normally looks for an SSH
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server on the Mandos client, and, if it find one, outputs
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a <option>checker</option> option to check for the
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client’s key fingerprint – this is more secure against
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spoofing.
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>--</option> %%(host)s</literal></quote>.
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</para>
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<para>
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In addition to normal start time expansion, this option
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</varlistentry>
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<varlistentry>
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<term><option>extended_timeout<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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<listitem>
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<para>
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This option is <emphasis>optional</emphasis>.
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</para>
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<para>
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Extended timeout is an added timeout that is given once
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after a password has been sent successfully to a client.
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The timeout is by default longer than the normal timeout,
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and is used for handling the extra long downtime while a
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machine is booting up. Time to take into consideration
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when changing this value is file system checks and quota
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checks. The default value is 15 minutes.
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</para>
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<para>
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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> below.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>fingerprint<literal> = </literal
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><replaceable>HEXSTRING</replaceable></option></term>
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<listitem>
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</varlistentry>
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<varlistentry>
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<term><option><literal>host = </literal><replaceable
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>STRING</replaceable></option></term>
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<listitem>
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<para>
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This option is <emphasis>optional</emphasis>, but highly
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<emphasis>recommended</emphasis> unless the
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<option>checker</option> option is modified to a
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non-standard value without <quote>%%(host)s</quote> in it.
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</para>
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<para>
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Host name for this client. This is not used by the server
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directly, but can be, and is by default, used by the
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checker. See the <option>checker</option> option.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>interval<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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<listitem>
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<para>
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This option is <emphasis>optional</emphasis>.
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</para>
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<para>
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How often to run the checker to confirm that a client is
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still up. <emphasis>Note:</emphasis> a new checker will
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not be started if an old one is still running. The server
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will wait for a checker to complete until the below
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<quote><varname>timeout</varname></quote> occurs, at which
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time the client will be disabled, and any running checker
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killed. The default interval is 2 minutes.
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</para>
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<para>
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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> below.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>secfile<literal> = </literal><replaceable
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>FILENAME</replaceable></option></term>
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<listitem>
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<para>
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This option is only used if <option>secret</option> is not
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specified, in which case this option is
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<emphasis>required</emphasis>.
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</para>
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<para>
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Similar to the <option>secret</option>, except the secret
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data is in an external file. The contents of the file
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should <emphasis>not</emphasis> be base64-encoded, but
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will be sent to clients verbatim.
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</para>
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<para>
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File names of the form <filename>~user/foo/bar</filename>
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and <filename>$<envar>ENVVAR</envar>/foo/bar</filename>
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are supported.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>secret<literal> = </literal><replaceable
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>BASE64_ENCODED_DATA</replaceable></option></term>
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<listitem>
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</varlistentry>
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<varlistentry>
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<term><option>timeout<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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<term><option>secfile<literal> = </literal><replaceable
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>FILENAME</replaceable></option></term>
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<listitem>
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<para>
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This option is <emphasis>optional</emphasis>.
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</para>
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<para>
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The timeout is how long the server will wait, after a
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successful checker run, until a client is disabled and not
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allowed to get the data this server holds. By default
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Mandos will use 5 minutes. See also the
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<option>extended_timeout</option> option.
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</para>
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<para>
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The <replaceable>TIME</replaceable> is specified as an RFC
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3339 duration; for example
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<quote><literal>P1Y2M3DT4H5M6S</literal></quote> meaning
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one year, two months, three days, four hours, five
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minutes, and six seconds. Some values can be omitted, see
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RFC 3339 Appendix A for details.
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This option is only used if <option>secret</option> is not
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specified, in which case this option is
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<emphasis>required</emphasis>.
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</para>
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<para>
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Similar to the <option>secret</option>, except the secret
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data is in an external file. The contents of the file
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should <emphasis>not</emphasis> be base64-encoded, but
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will be sent to clients verbatim.
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</para>
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<para>
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File names of the form <filename>~user/foo/bar</filename>
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and <filename>$<envar>ENVVAR</envar>/foo/bar</filename>
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are supported.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>enabled<literal> = </literal>{ <literal
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>1</literal> | <literal>yes</literal> | <literal>true</literal
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> | <literal >on</literal> | <literal>0</literal> | <literal
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>no</literal> | <literal>false</literal> | <literal
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>off</literal> }</option></term>
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<term><option><literal>host = </literal><replaceable
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>STRING</replaceable></option></term>
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<listitem>
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<para>
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Whether this client should be enabled by default. The
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default is <quote>true</quote>.
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This option is <emphasis>optional</emphasis>, but highly
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<emphasis>recommended</emphasis> unless the
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<option>checker</option> option is modified to a
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non-standard value without <quote>%%(host)s</quote> in it.
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</para>
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<para>
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Host name for this client. This is not used by the server
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directly, but can be, and is by default, used by the
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checker. See the <option>checker</option> option.
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</para>
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</listitem>
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</varlistentry>
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<quote><literal>%%(<replaceable>foo</replaceable>)s</literal
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></quote> will be replaced by the value of the attribute
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<varname>foo</varname> of the internal
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<quote><classname>Client</classname></quote> object in the
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Mandos server. The currently allowed values for
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<replaceable>foo</replaceable> are:
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<quote><literal>approval_delay</literal></quote>,
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<quote><literal>approval_duration</literal></quote>,
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<quote><literal>created</literal></quote>,
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<quote><literal>enabled</literal></quote>,
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<quote><literal>expires</literal></quote>,
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<quote><literal>fingerprint</literal></quote>,
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<quote><literal>host</literal></quote>,
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<quote><literal>interval</literal></quote>,
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<quote><literal>last_approval_request</literal></quote>,
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<quote><literal>last_checked_ok</literal></quote>,
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<quote><literal>last_enabled</literal></quote>,
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<quote><literal>name</literal></quote>,
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<quote><literal>timeout</literal></quote>, and, if using
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D-Bus, <quote><literal>dbus_object_path</literal></quote>.
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See the source code for details. <emphasis role="strong"
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>Currently, <emphasis>none</emphasis> of these attributes
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except <quote><literal>host</literal></quote> are guaranteed
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to be valid in future versions.</emphasis> Therefore, please
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let the authors know of any attributes that are useful so they
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may be preserved to any new versions of this software.
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<quote><classname>Client</classname></quote> object. See the
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source code for details, and let the authors know of any
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attributes that are useful so they may be preserved to any new
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versions of this software.
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</para>
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<para>
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Note that this means that, in order to include an actual
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<literal>%(<replaceable>foo</replaceable>)s</literal> is
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obscure.
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</para>
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<xi:include href="bugs.xml"/>
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</refsect1>
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<refsect1 id="example">
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<informalexample>
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<programlisting>
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[DEFAULT]
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timeout = PT5M
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interval = PT2M
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timeout = 1h
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interval = 5m
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checker = fping -q -- %%(host)s
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# Client "foo"
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4T2zw4dxS5NswXWU0sVEXxjs6PYxuIiCTL7vdpx8QjBkrPWDrAbcMyBr2O
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QlnHIvPzEArRQLo=
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host = foo.example.org
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interval = PT1M
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interval = 1m
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# Client "bar"
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[bar]
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fingerprint = 3e393aeaefb84c7e89e2f547b3a107558fca3a27
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secfile = /etc/mandos/bar-secret
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timeout = PT15M
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approved_by_default = False
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approval_delay = PT30S
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timeout = 15m
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</programlisting>
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</informalexample>
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</refsect1>
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<refsect1 id="see_also">
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<title>SEE ALSO</title>
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<para>
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<citerefentry><refentrytitle>intro</refentrytitle>
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<manvolnum>8mandos</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>mandos-keygen</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>mandos.conf</refentrytitle>
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<manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>mandos</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>fping</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry>
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</para>
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<variablelist>
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<varlistentry>
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<term>
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RFC 3339: <citetitle>Date and Time on the Internet:
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Timestamps</citetitle>
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</term>
531
<listitem>
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<para>
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The time intervals are in the "duration" format, as
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specified in ABNF in Appendix A of RFC 3339.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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</refentry>
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