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<firstname>Björn</firstname>
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21
<surname>Påhlsson</surname>
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<email>belorn@fukt.bsnet.se</email>
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<email>belorn@recompile.se</email>
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<firstname>Teddy</firstname>
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<surname>Hogeborn</surname>
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<email>teddy@fukt.bsnet.se</email>
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<email>teddy@recompile.se</email>
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<holder>Teddy Hogeborn</holder>
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41
<holder>Björn Påhlsson</holder>
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66
><refentrytitle>mandos</refentrytitle>
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67
<manvolnum>8</manvolnum></citerefentry>, read by it at startup.
64
68
The file needs to list all clients that should be able to use
65
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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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
73
>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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78
The format starts with a <literal>[<replaceable>section
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<term><option>timeout<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
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The timeout is how long the server will wait for a
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successful checker run until a client is considered
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invalid - that is, ineligible to get the data this server
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holds. By default Mandos will use 1 hour.
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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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<term><option>interval<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
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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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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> above.
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<term><option>approval_delay<literal> = </literal><replaceable
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>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
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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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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> below.
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<term><option>approval_duration<literal> = </literal
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><replaceable>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
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How long an external approval lasts. The default is 1
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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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<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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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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This option is <emphasis>optional</emphasis>.
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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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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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176
<option>-c</option></command></quote>, so
169
177
<varname>PATH</varname> will be searched. The default
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value for the checker command is <quote><literal
171
179
><command>fping</command> <option>-q</option> <option
172
>--</option> %(host)s</literal></quote>.
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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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189
In addition to normal start time expansion, this option
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<term><option>extended_timeout<literal> = </literal><replaceable
198
>TIME</replaceable></option></term>
201
This option is <emphasis>optional</emphasis>.
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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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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> below.
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<term><option>fingerprint<literal> = </literal
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221
><replaceable>HEXSTRING</replaceable></option></term>
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<term><option><literal>host = </literal><replaceable
237
>STRING</replaceable></option></term>
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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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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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<term><option>interval<literal> = </literal><replaceable
255
>TIME</replaceable></option></term>
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This option is <emphasis>optional</emphasis>.
261
How often to run the checker to confirm that a client is
262
still up. <emphasis>Note:</emphasis> a new checker will
263
not be started if an old one is still running. The server
264
will wait for a checker to complete until the below
265
<quote><varname>timeout</varname></quote> occurs, at which
266
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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The format of <replaceable>TIME</replaceable> is the same
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as for <varname>timeout</varname> below.
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<term><option>secfile<literal> = </literal><replaceable
278
>FILENAME</replaceable></option></term>
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This option is only used if <option>secret</option> is not
282
specified, in which case this option is
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<emphasis>required</emphasis>.
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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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File names of the form <filename>~user/foo/bar</filename>
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and <filename>$<envar>ENVVAR</envar>/foo/bar</filename>
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<term><option>secret<literal> = </literal><replaceable
200
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>BASE64_ENCODED_DATA</replaceable></option></term>
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<term><option>secfile<literal> = </literal><replaceable
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>FILENAME</replaceable></option></term>
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<term><option>timeout<literal> = </literal><replaceable
331
>TIME</replaceable></option></term>
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This option is only used if <option>secret</option> is not
234
specified, in which case this option is
235
<emphasis>required</emphasis>.
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Similar to the <option>secret</option>, except the secret
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data is in an external file. The contents of the file
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should <emphasis>not</emphasis> be base64-encoded, but
241
will be sent to clients verbatim.
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File names of the form <filename>~user/foo/bar</filename>
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and <filename>$<envar>ENVVAR</envar>/foo/bar</filename>
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This option is <emphasis>optional</emphasis>.
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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
339
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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The <replaceable>TIME</replaceable> is specified as an RFC
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3339 duration; for example
346
<quote><literal>P1Y2M3DT4H5M6S</literal></quote> meaning
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one year, two months, three days, four hours, five
348
minutes, and six seconds. Some values can be omitted, see
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RFC 3339 Appendix A for details.
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<term><option><literal>host = </literal><replaceable
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>STRING</replaceable></option></term>
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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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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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Host name for this client. This is not used by the server
263
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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Whether this client should be enabled by default. The
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default is <quote>true</quote>.
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<quote><literal>%%(<replaceable>foo</replaceable>)s</literal
305
404
></quote> will be replaced by the value of the attribute
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405
<varname>foo</varname> of the internal
307
<quote><classname>Client</classname></quote> object. See the
308
source code for details, and let the authors know of any
309
attributes that are useful so they may be preserved to any new
310
versions of this software.
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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>,
412
<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>,
419
<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"
424
>Currently, <emphasis>none</emphasis> of these attributes
425
except <quote><literal>host</literal></quote> are guaranteed
426
to be valid in future versions.</emphasis> Therefore, please
427
let the authors know of any attributes that are useful so they
428
may be preserved to any new versions of this software.
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431
Note that this means that, in order to include an actual
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<refsect1 id="see_also">
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507
<title>SEE ALSO</title>
509
<citerefentry><refentrytitle>intro</refentrytitle>
510
<manvolnum>8mandos</manvolnum></citerefentry>,
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511
<citerefentry><refentrytitle>mandos-keygen</refentrytitle>
390
512
<manvolnum>8</manvolnum></citerefentry>,
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513
<citerefentry><refentrytitle>mandos.conf</refentrytitle>
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514
<manvolnum>5</manvolnum></citerefentry>,
393
515
<citerefentry><refentrytitle>mandos</refentrytitle>
516
<manvolnum>8</manvolnum></citerefentry>,
517
<citerefentry><refentrytitle>fping</refentrytitle>
394
518
<manvolnum>8</manvolnum></citerefentry>
523
RFC 3339: <citetitle>Date and Time on the Internet:
524
Timestamps</citetitle>
528
The time intervals are in the "duration" format, as
529
specified in ABNF in Appendix A of RFC 3339.
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