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  • Committer: Teddy Hogeborn
  • Date: 2008-08-24 10:52:46 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080824105246-4gu1o1q6sdjvqcyb
* mandos (fingerprint): Bug fix: Remove some temporary debugging code.

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mandos.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
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<!ENTITY VERSION "1.0">
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<!ENTITY COMMANDNAME "mandos">
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<!ENTITY TIMESTAMP "2009-01-04">
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<!ENTITY % common SYSTEM "common.ent">
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%common;
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]>
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<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
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   <refentryinfo>
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    <title>Mandos Manual</title>
 
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  <refentryinfo>
 
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    <title>&COMMANDNAME;</title>
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    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
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    <productname>Mandos</productname>
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    <productnumber>&version;</productnumber>
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    <date>&TIMESTAMP;</date>
 
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    <productname>&COMMANDNAME;</productname>
 
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    <productnumber>&VERSION;</productnumber>
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    <authorgroup>
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      <author>
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        <firstname>Björn</firstname>
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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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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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    <xi:include href="legalnotice.xml"/>
 
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    <legalnotice>
 
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      <para>
 
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        This manual page is free software: you can redistribute it
 
38
        and/or modify it under the terms of the GNU General Public
 
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        License as published by the Free Software Foundation,
 
40
        either version 3 of the License, or (at your option) any
 
41
        later version.
 
42
      </para>
 
43
 
 
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      <para>
 
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        This manual page is distributed in the hope that it will
 
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        be useful, but WITHOUT ANY WARRANTY; without even the
 
47
        implied warranty of MERCHANTABILITY or FITNESS FOR A
 
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        PARTICULAR PURPOSE.  See the GNU General Public License
 
49
        for more details.
 
50
      </para>
 
51
 
 
52
      <para>
 
53
        You should have received a copy of the GNU General Public
 
54
        License along with this program; If not, see
 
55
        <ulink url="http://www.gnu.org/licenses/"/>.
 
56
      </para>
 
57
    </legalnotice>
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  </refentryinfo>
41
 
  
 
59
 
42
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  <refmeta>
43
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    <refentrytitle>&COMMANDNAME;</refentrytitle>
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    <manvolnum>8</manvolnum>
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  <refnamediv>
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    <refname><command>&COMMANDNAME;</command></refname>
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    <refpurpose>
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      Gives encrypted passwords to authenticated Mandos clients
 
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      Sends encrypted passwords to authenticated Mandos clients
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    </refpurpose>
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  </refnamediv>
53
 
  
 
71
 
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  <refsynopsisdiv>
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    <cmdsynopsis>
56
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      <command>&COMMANDNAME;</command>
57
 
      <group>
58
 
        <arg choice="plain"><option>--interface
59
 
        <replaceable>NAME</replaceable></option></arg>
60
 
        <arg choice="plain"><option>-i
61
 
        <replaceable>NAME</replaceable></option></arg>
62
 
      </group>
63
 
      <sbr/>
64
 
      <group>
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        <arg choice="plain"><option>--address
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        <replaceable>ADDRESS</replaceable></option></arg>
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        <arg choice="plain"><option>-a
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        <replaceable>ADDRESS</replaceable></option></arg>
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      </group>
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      <sbr/>
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      <group>
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        <arg choice="plain"><option>--port
73
 
        <replaceable>PORT</replaceable></option></arg>
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        <arg choice="plain"><option>-p
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        <replaceable>PORT</replaceable></option></arg>
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      </group>
77
 
      <sbr/>
78
 
      <arg><option>--priority
79
 
      <replaceable>PRIORITY</replaceable></option></arg>
80
 
      <sbr/>
81
 
      <arg><option>--servicename
82
 
      <replaceable>NAME</replaceable></option></arg>
83
 
      <sbr/>
84
 
      <arg><option>--configdir
85
 
      <replaceable>DIRECTORY</replaceable></option></arg>
86
 
      <sbr/>
87
 
      <arg><option>--debug</option></arg>
 
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      <arg>--interface<arg choice="plain">IF</arg></arg>
 
76
      <arg>--address<arg choice="plain">ADDRESS</arg></arg>
 
77
      <arg>--port<arg choice="plain">PORT</arg></arg>
 
78
      <arg>--priority<arg choice="plain">PRIORITY</arg></arg>
 
79
      <arg>--servicename<arg choice="plain">NAME</arg></arg>
 
80
      <arg>--configdir<arg choice="plain">DIRECTORY</arg></arg>
 
81
      <arg>--debug</arg>
 
82
    </cmdsynopsis>
 
83
    <cmdsynopsis>
 
84
      <command>&COMMANDNAME;</command>
 
85
      <arg>-i<arg choice="plain">IF</arg></arg>
 
86
      <arg>-a<arg choice="plain">ADDRESS</arg></arg>
 
87
      <arg>-p<arg choice="plain">PORT</arg></arg>
 
88
      <arg>--priority<arg choice="plain">PRIORITY</arg></arg>
 
89
      <arg>--servicename<arg choice="plain">NAME</arg></arg>
 
90
      <arg>--configdir<arg choice="plain">DIRECTORY</arg></arg>
 
91
      <arg>--debug</arg>
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    </cmdsynopsis>
89
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    <cmdsynopsis>
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      <command>&COMMANDNAME;</command>
91
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      <group choice="req">
92
 
        <arg choice="plain"><option>--help</option></arg>
93
 
        <arg choice="plain"><option>-h</option></arg>
 
96
        <arg choice="plain">-h</arg>
 
97
        <arg choice="plain">--help</arg>
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      </group>
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    </cmdsynopsis>
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    <cmdsynopsis>
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      <command>&COMMANDNAME;</command>
98
 
      <arg choice="plain"><option>--version</option></arg>
 
102
      <arg choice="plain">--version</arg>
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    </cmdsynopsis>
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    <cmdsynopsis>
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      <command>&COMMANDNAME;</command>
102
 
      <arg choice="plain"><option>--check</option></arg>
 
106
      <arg choice="plain">--check</arg>
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    </cmdsynopsis>
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  </refsynopsisdiv>
105
 
  
 
109
 
106
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  <refsect1 id="description">
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    <title>DESCRIPTION</title>
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    <para>
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      Any authenticated client is then given the stored pre-encrypted
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      password for that specific client.
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    </para>
 
124
 
120
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  </refsect1>
121
126
  
122
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  <refsect1 id="purpose">
123
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    <title>PURPOSE</title>
 
129
 
124
130
    <para>
125
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      The purpose of this is to enable <emphasis>remote and unattended
126
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      rebooting</emphasis> of client host computer with an
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      <emphasis>encrypted root file system</emphasis>.  See <xref
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      linkend="overview"/> for details.
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    </para>
 
136
 
130
137
  </refsect1>
131
138
  
132
139
  <refsect1 id="options">
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    <title>OPTIONS</title>
 
141
 
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142
    <variablelist>
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      <varlistentry>
136
 
        <term><option>--help</option></term>
137
 
        <term><option>-h</option></term>
 
144
        <term><literal>-h</literal>, <literal>--help</literal></term>
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        <listitem>
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          <para>
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            Show a help message and exit
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          </para>
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        </listitem>
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      </varlistentry>
144
 
      
 
151
 
145
152
      <varlistentry>
146
 
        <term><option>--interface</option>
147
 
        <replaceable>NAME</replaceable></term>
148
 
        <term><option>-i</option>
149
 
        <replaceable>NAME</replaceable></term>
 
153
        <term><literal>-i</literal>, <literal>--interface <replaceable>
 
154
        IF</replaceable></literal></term>
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        <listitem>
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          <xi:include href="mandos-options.xml" xpointer="interface"/>
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        </listitem>
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      </varlistentry>
154
 
      
 
159
 
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      <varlistentry>
156
 
        <term><option>--address
157
 
        <replaceable>ADDRESS</replaceable></option></term>
158
 
        <term><option>-a
159
 
        <replaceable>ADDRESS</replaceable></option></term>
 
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        <term><literal>-a</literal>, <literal>--address <replaceable>
 
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        ADDRESS</replaceable></literal></term>
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        <listitem>
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          <xi:include href="mandos-options.xml" xpointer="address"/>
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        </listitem>
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      </varlistentry>
164
 
      
 
167
 
165
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      <varlistentry>
166
 
        <term><option>--port
167
 
        <replaceable>PORT</replaceable></option></term>
168
 
        <term><option>-p
169
 
        <replaceable>PORT</replaceable></option></term>
 
169
        <term><literal>-p</literal>, <literal>--port <replaceable>
 
170
        PORT</replaceable></literal></term>
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        <listitem>
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          <xi:include href="mandos-options.xml" xpointer="port"/>
172
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        </listitem>
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      </varlistentry>
174
 
      
 
175
 
175
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      <varlistentry>
176
 
        <term><option>--check</option></term>
 
177
        <term><literal>--check</literal></term>
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        <listitem>
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          <para>
179
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            Run the server’s self-tests.  This includes any unit
181
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          </para>
182
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        </listitem>
183
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      </varlistentry>
184
 
      
 
185
 
185
186
      <varlistentry>
186
 
        <term><option>--debug</option></term>
 
187
        <term><literal>--debug</literal></term>
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188
        <listitem>
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          <xi:include href="mandos-options.xml" xpointer="debug"/>
189
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        </listitem>
190
191
      </varlistentry>
191
 
      
 
192
 
192
193
      <varlistentry>
193
 
        <term><option>--priority <replaceable>
194
 
        PRIORITY</replaceable></option></term>
 
194
        <term><literal>--priority <replaceable>
 
195
        PRIORITY</replaceable></literal></term>
195
196
        <listitem>
196
197
          <xi:include href="mandos-options.xml" xpointer="priority"/>
197
198
        </listitem>
198
199
      </varlistentry>
199
 
      
 
200
 
200
201
      <varlistentry>
201
 
        <term><option>--servicename
202
 
        <replaceable>NAME</replaceable></option></term>
 
202
        <term><literal>--servicename <replaceable>NAME</replaceable>
 
203
        </literal></term>
203
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        <listitem>
204
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          <xi:include href="mandos-options.xml"
205
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                      xpointer="servicename"/>
206
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        </listitem>
207
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      </varlistentry>
208
 
      
 
209
 
209
210
      <varlistentry>
210
 
        <term><option>--configdir
211
 
        <replaceable>DIRECTORY</replaceable></option></term>
 
211
        <term><literal>--configdir <replaceable>DIR</replaceable>
 
212
        </literal></term>
212
213
        <listitem>
213
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          <para>
214
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            Directory to search for configuration files.  Default is
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          </para>
221
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        </listitem>
222
223
      </varlistentry>
223
 
      
 
224
 
224
225
      <varlistentry>
225
 
        <term><option>--version</option></term>
 
226
        <term><literal>--version</literal></term>
226
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        <listitem>
227
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          <para>
228
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            Prints the program version and exit.
231
232
      </varlistentry>
232
233
    </variablelist>
233
234
  </refsect1>
234
 
  
 
235
 
235
236
  <refsect1 id="overview">
236
237
    <title>OVERVIEW</title>
237
238
    <xi:include href="overview.xml"/>
238
239
    <para>
239
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      This program is the server part.  It is a normal server program
240
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      and will run in a normal system environment, not in an initial
241
 
      <acronym>RAM</acronym> disk environment.
 
242
      RAM disk environment.
242
243
    </para>
243
244
  </refsect1>
244
 
  
 
245
 
245
246
  <refsect1 id="protocol">
246
247
    <title>NETWORK PROTOCOL</title>
247
248
    <para>
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      </row>
300
301
    </tbody></tgroup></table>
301
302
  </refsect1>
302
 
  
 
303
 
303
304
  <refsect1 id="checking">
304
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    <title>CHECKING</title>
305
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    <para>
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314
      <manvolnum>5</manvolnum></citerefentry>.
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    </para>
315
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  </refsect1>
316
 
  
 
317
 
317
318
  <refsect1 id="logging">
318
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    <title>LOGGING</title>
319
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    <para>
323
324
      and also show them on the console.
324
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    </para>
325
326
  </refsect1>
326
 
  
 
327
 
327
328
  <refsect1 id="exit_status">
328
329
    <title>EXIT STATUS</title>
329
330
    <para>
331
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      critical error is encountered.
332
333
    </para>
333
334
  </refsect1>
334
 
  
 
335
 
335
336
  <refsect1 id="environment">
336
337
    <title>ENVIRONMENT</title>
337
338
    <variablelist>
338
339
      <varlistentry>
339
 
        <term><envar>PATH</envar></term>
 
340
        <term><varname>PATH</varname></term>
340
341
        <listitem>
341
342
          <para>
342
343
            To start the configured checker (see <xref
351
352
      </varlistentry>
352
353
    </variablelist>
353
354
  </refsect1>
354
 
  
355
 
  <refsect1 id="files">
 
355
 
 
356
  <refsect1 id="file">
356
357
    <title>FILES</title>
357
358
    <para>
358
359
      Use the <option>--configdir</option> option to change where
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382
        </listitem>
382
383
      </varlistentry>
383
384
      <varlistentry>
384
 
        <term><filename>/var/run/mandos.pid</filename></term>
 
385
        <term><filename>/var/run/mandos/mandos.pid</filename></term>
385
386
        <listitem>
386
387
          <para>
387
388
            The file containing the process id of
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      Currently, if a client is declared <quote>invalid</quote> due to
423
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      having timed out, the server does not record this fact onto
424
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      permanent storage.  This has some security implications, see
425
 
      <xref linkend="clients"/>.
 
426
      <xref linkend="CLIENTS"/>.
426
427
    </para>
427
428
    <para>
428
429
      There is currently no way of querying the server of the current
436
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      Debug mode is conflated with running in the foreground.
437
438
    </para>
438
439
    <para>
439
 
      The console log messages does not show a time stamp.
440
 
    </para>
441
 
    <para>
442
 
      This server does not check the expire time of clients’ OpenPGP
443
 
      keys.
 
440
      The console log messages does not show a timestamp.
444
441
    </para>
445
442
  </refsect1>
446
443
  
451
448
        Normal invocation needs no options:
452
449
      </para>
453
450
      <para>
454
 
        <userinput>&COMMANDNAME;</userinput>
 
451
        <userinput>mandos</userinput>
455
452
      </para>
456
453
    </informalexample>
457
454
    <informalexample>
464
461
      <para>
465
462
 
466
463
<!-- do not wrap this line -->
467
 
<userinput>&COMMANDNAME; --debug --configdir ~/mandos --servicename Test</userinput>
 
464
<userinput>mandos --debug --configdir ~/mandos --servicename Test</userinput>
468
465
 
469
466
      </para>
470
467
    </informalexample>
476
473
      <para>
477
474
 
478
475
<!-- do not wrap this line -->
479
 
<userinput>&COMMANDNAME; --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
 
476
<userinput>mandos --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
480
477
 
481
478
      </para>
482
479
    </informalexample>
483
480
  </refsect1>
484
 
  
 
481
 
485
482
  <refsect1 id="security">
486
483
    <title>SECURITY</title>
487
 
    <refsect2 id="server">
 
484
    <refsect2 id="SERVER">
488
485
      <title>SERVER</title>
489
486
      <para>
490
487
        Running this <command>&COMMANDNAME;</command> server program
491
488
        should not in itself present any security risk to the host
492
 
        computer running it.  The program switches to a non-root user
493
 
        soon after startup.
 
489
        computer running it.  The program does not need any special
 
490
        privileges to run, and is designed to run as a non-root user.
494
491
      </para>
495
492
    </refsect2>
496
 
    <refsect2 id="clients">
 
493
    <refsect2 id="CLIENTS">
497
494
      <title>CLIENTS</title>
498
495
      <para>
499
496
        The server only gives out its stored data to clients which
506
503
        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
507
504
        <manvolnum>5</manvolnum></citerefentry>)
508
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        <emphasis>must</emphasis> be made non-readable by anyone
509
 
        except the user starting the server (usually root).
 
506
        except the user running the server.
510
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      </para>
511
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      <para>
512
509
        As detailed in <xref linkend="checking"/>, the status of all
523
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        restarting servers if it is suspected that a client has, in
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521
        fact, been compromised by parties who may now be running a
525
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        fake Mandos client with the keys from the non-encrypted
526
 
        initial <acronym>RAM</acronym> image of the client host.  What
527
 
        should be done in that case (if restarting the server program
528
 
        really is necessary) is to stop the server program, edit the
 
523
        initial RAM image of the client host.  What should be done in
 
524
        that case (if restarting the server program really is
 
525
        necessary) is to stop the server program, edit the
529
526
        configuration file to omit any suspect clients, and restart
530
527
        the server program.
531
528
      </para>
532
529
      <para>
533
530
        For more details on client-side security, see
534
 
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
531
        <citerefentry><refentrytitle>password-request</refentrytitle>
535
532
        <manvolnum>8mandos</manvolnum></citerefentry>.
536
533
      </para>
537
534
    </refsect2>
538
535
  </refsect1>
539
 
  
 
536
 
540
537
  <refsect1 id="see_also">
541
538
    <title>SEE ALSO</title>
542
539
    <para>
543
540
      <citerefentry>
 
541
        <refentrytitle>mandos.conf</refentrytitle>
 
542
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
544
543
        <refentrytitle>mandos-clients.conf</refentrytitle>
545
544
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
546
 
        <refentrytitle>mandos.conf</refentrytitle>
547
 
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
548
 
        <refentrytitle>mandos-client</refentrytitle>
 
545
        <refentrytitle>password-request</refentrytitle>
549
546
        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
550
547
        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
551
548
      </citerefentry>
575
572
      </varlistentry>
576
573
      <varlistentry>
577
574
        <term>
578
 
          <ulink url="http://www.gnu.org/software/gnutls/"
579
 
          >GnuTLS</ulink>
 
575
          <ulink
 
576
              url="http://www.gnu.org/software/gnutls/">GnuTLS</ulink>
580
577
        </term>
581
578
      <listitem>
582
579
        <para>
588
585
      </varlistentry>
589
586
      <varlistentry>
590
587
        <term>
591
 
          RFC 4291: <citetitle>IP Version 6 Addressing
592
 
          Architecture</citetitle>
 
588
          <citation>RFC 4291: <citetitle>IP Version 6 Addressing
 
589
          Architecture</citetitle>, section 2.5.6, Link-Local IPv6
 
590
          Unicast Addresses</citation>
593
591
        </term>
594
592
        <listitem>
595
 
          <variablelist>
596
 
            <varlistentry>
597
 
              <term>Section 2.2: <citetitle>Text Representation of
598
 
              Addresses</citetitle></term>
599
 
              <listitem><para/></listitem>
600
 
            </varlistentry>
601
 
            <varlistentry>
602
 
              <term>Section 2.5.5.2: <citetitle>IPv4-Mapped IPv6
603
 
              Address</citetitle></term>
604
 
              <listitem><para/></listitem>
605
 
            </varlistentry>
606
 
            <varlistentry>
607
 
            <term>Section 2.5.6, <citetitle>Link-Local IPv6 Unicast
608
 
            Addresses</citetitle></term>
609
 
            <listitem>
610
 
              <para>
611
 
                The clients use IPv6 link-local addresses, which are
612
 
                immediately usable since a link-local addresses is
613
 
                automatically assigned to a network interfaces when it
614
 
                is brought up.
615
 
              </para>
616
 
            </listitem>
617
 
            </varlistentry>
618
 
          </variablelist>
 
593
          <para>
 
594
            The clients use IPv6 link-local addresses, which are
 
595
            immediately usable since a link-local addresses is
 
596
            automatically assigned to a network interfaces when it is
 
597
            brought up.
 
598
          </para>
619
599
        </listitem>
620
600
      </varlistentry>
621
601
      <varlistentry>
622
602
        <term>
623
 
          RFC 4346: <citetitle>The Transport Layer Security (TLS)
624
 
          Protocol Version 1.1</citetitle>
 
603
          <citation>RFC 4346: <citetitle>The Transport Layer Security
 
604
          (TLS) Protocol Version 1.1</citetitle></citation>
625
605
        </term>
626
606
      <listitem>
627
607
        <para>
631
611
      </varlistentry>
632
612
      <varlistentry>
633
613
        <term>
634
 
          RFC 4880: <citetitle>OpenPGP Message Format</citetitle>
 
614
          <citation>RFC 4880: <citetitle>OpenPGP Message
 
615
          Format</citetitle></citation>
635
616
        </term>
636
617
      <listitem>
637
618
        <para>
641
622
      </varlistentry>
642
623
      <varlistentry>
643
624
        <term>
644
 
          RFC 5081: <citetitle>Using OpenPGP Keys for Transport Layer
645
 
          Security</citetitle>
 
625
          <citation>RFC 5081: <citetitle>Using OpenPGP Keys for
 
626
          Transport Layer Security</citetitle></citation>
646
627
        </term>
647
628
      <listitem>
648
629
        <para>
654
635
    </variablelist>
655
636
  </refsect1>
656
637
</refentry>
657
 
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658
 
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