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  • Committer: Teddy Hogeborn
  • Date: 2009-10-24 17:56:24 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091024175624-86qzvjlfp3qd8y8n
* mandos-keygen (keygen): Warn about long key generation time.

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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 "2009-09-17">
 
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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>&COMMANDNAME;</title>
 
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   <refentryinfo>
 
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    <title>Mandos Manual</title>
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    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
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    <productname>&COMMANDNAME;</productname>
13
 
    <productnumber>&VERSION;</productnumber>
 
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    <productname>Mandos</productname>
 
15
    <productnumber>&version;</productnumber>
 
16
    <date>&TIMESTAMP;</date>
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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>
 
35
      <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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    <legalnotice>
36
 
      <para>
37
 
        This manual page is free software: you can redistribute it
38
 
        and/or modify it under the terms of the GNU General Public
39
 
        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
 
 
44
 
      <para>
45
 
        This manual page is distributed in the hope that it will
46
 
        be useful, but WITHOUT ANY WARRANTY; without even the
47
 
        implied warranty of MERCHANTABILITY or FITNESS FOR A
48
 
        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>
 
39
    <xi:include href="legalnotice.xml"/>
58
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  </refentryinfo>
59
 
 
 
41
  
60
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  <refmeta>
61
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    <refentrytitle>&COMMANDNAME;</refentrytitle>
62
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    <manvolnum>8</manvolnum>
65
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  <refnamediv>
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    <refname><command>&COMMANDNAME;</command></refname>
67
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    <refpurpose>
68
 
      Sends encrypted passwords to authenticated Mandos clients
 
50
      Gives encrypted passwords to authenticated Mandos clients
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    </refpurpose>
70
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  </refnamediv>
71
 
 
 
53
  
72
54
  <refsynopsisdiv>
73
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    <cmdsynopsis>
74
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      <command>&COMMANDNAME;</command>
75
 
      <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>
 
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>
 
65
        <arg choice="plain"><option>--address
 
66
        <replaceable>ADDRESS</replaceable></option></arg>
 
67
        <arg choice="plain"><option>-a
 
68
        <replaceable>ADDRESS</replaceable></option></arg>
 
69
      </group>
 
70
      <sbr/>
 
71
      <group>
 
72
        <arg choice="plain"><option>--port
 
73
        <replaceable>PORT</replaceable></option></arg>
 
74
        <arg choice="plain"><option>-p
 
75
        <replaceable>PORT</replaceable></option></arg>
 
76
      </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>
 
88
      <sbr/>
 
89
      <arg><option>--no-dbus</option></arg>
 
90
      <sbr/>
 
91
      <arg><option>--no-ipv6</option></arg>
92
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    </cmdsynopsis>
93
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    <cmdsynopsis>
94
94
      <command>&COMMANDNAME;</command>
95
95
      <group choice="req">
96
 
        <arg choice="plain">-h</arg>
97
 
        <arg choice="plain">--help</arg>
 
96
        <arg choice="plain"><option>--help</option></arg>
 
97
        <arg choice="plain"><option>-h</option></arg>
98
98
      </group>
99
99
    </cmdsynopsis>
100
100
    <cmdsynopsis>
101
101
      <command>&COMMANDNAME;</command>
102
 
      <arg choice="plain">--version</arg>
 
102
      <arg choice="plain"><option>--version</option></arg>
103
103
    </cmdsynopsis>
104
104
    <cmdsynopsis>
105
105
      <command>&COMMANDNAME;</command>
106
 
      <arg choice="plain">--check</arg>
 
106
      <arg choice="plain"><option>--check</option></arg>
107
107
    </cmdsynopsis>
108
108
  </refsynopsisdiv>
109
 
 
 
109
  
110
110
  <refsect1 id="description">
111
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    <title>DESCRIPTION</title>
112
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    <para>
121
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      Any authenticated client is then given the stored pre-encrypted
122
122
      password for that specific client.
123
123
    </para>
124
 
 
125
124
  </refsect1>
126
125
  
127
126
  <refsect1 id="purpose">
128
127
    <title>PURPOSE</title>
129
 
 
130
128
    <para>
131
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      The purpose of this is to enable <emphasis>remote and unattended
132
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      rebooting</emphasis> of client host computer with an
133
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      <emphasis>encrypted root file system</emphasis>.  See <xref
134
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      linkend="overview"/> for details.
135
133
    </para>
136
 
 
137
134
  </refsect1>
138
135
  
139
136
  <refsect1 id="options">
140
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    <title>OPTIONS</title>
141
 
 
142
138
    <variablelist>
143
139
      <varlistentry>
144
 
        <term><literal>-h</literal>, <literal>--help</literal></term>
 
140
        <term><option>--help</option></term>
 
141
        <term><option>-h</option></term>
145
142
        <listitem>
146
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          <para>
147
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            Show a help message and exit
148
145
          </para>
149
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        </listitem>
150
147
      </varlistentry>
151
 
 
 
148
      
152
149
      <varlistentry>
153
 
        <term><literal>-i</literal>, <literal>--interface <replaceable>
154
 
        IF</replaceable></literal></term>
 
150
        <term><option>--interface</option>
 
151
        <replaceable>NAME</replaceable></term>
 
152
        <term><option>-i</option>
 
153
        <replaceable>NAME</replaceable></term>
155
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        <listitem>
156
155
          <xi:include href="mandos-options.xml" xpointer="interface"/>
157
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        </listitem>
158
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      </varlistentry>
159
 
 
 
158
      
160
159
      <varlistentry>
161
 
        <term><literal>-a</literal>, <literal>--address <replaceable>
162
 
        ADDRESS</replaceable></literal></term>
 
160
        <term><option>--address
 
161
        <replaceable>ADDRESS</replaceable></option></term>
 
162
        <term><option>-a
 
163
        <replaceable>ADDRESS</replaceable></option></term>
163
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        <listitem>
164
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          <xi:include href="mandos-options.xml" xpointer="address"/>
165
166
        </listitem>
166
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      </varlistentry>
167
 
 
 
168
      
168
169
      <varlistentry>
169
 
        <term><literal>-p</literal>, <literal>--port <replaceable>
170
 
        PORT</replaceable></literal></term>
 
170
        <term><option>--port
 
171
        <replaceable>PORT</replaceable></option></term>
 
172
        <term><option>-p
 
173
        <replaceable>PORT</replaceable></option></term>
171
174
        <listitem>
172
175
          <xi:include href="mandos-options.xml" xpointer="port"/>
173
176
        </listitem>
174
177
      </varlistentry>
175
 
 
 
178
      
176
179
      <varlistentry>
177
 
        <term><literal>--check</literal></term>
 
180
        <term><option>--check</option></term>
178
181
        <listitem>
179
182
          <para>
180
183
            Run the server’s self-tests.  This includes any unit
182
185
          </para>
183
186
        </listitem>
184
187
      </varlistentry>
185
 
 
 
188
      
186
189
      <varlistentry>
187
 
        <term><literal>--debug</literal></term>
 
190
        <term><option>--debug</option></term>
188
191
        <listitem>
189
192
          <xi:include href="mandos-options.xml" xpointer="debug"/>
190
193
        </listitem>
191
194
      </varlistentry>
192
 
 
 
195
      
193
196
      <varlistentry>
194
 
        <term><literal>--priority <replaceable>
195
 
        PRIORITY</replaceable></literal></term>
 
197
        <term><option>--priority <replaceable>
 
198
        PRIORITY</replaceable></option></term>
196
199
        <listitem>
197
200
          <xi:include href="mandos-options.xml" xpointer="priority"/>
198
201
        </listitem>
199
202
      </varlistentry>
200
 
 
 
203
      
201
204
      <varlistentry>
202
 
        <term><literal>--servicename <replaceable>NAME</replaceable>
203
 
        </literal></term>
 
205
        <term><option>--servicename
 
206
        <replaceable>NAME</replaceable></option></term>
204
207
        <listitem>
205
208
          <xi:include href="mandos-options.xml"
206
209
                      xpointer="servicename"/>
207
210
        </listitem>
208
211
      </varlistentry>
209
 
 
 
212
      
210
213
      <varlistentry>
211
 
        <term><literal>--configdir <replaceable>DIR</replaceable>
212
 
        </literal></term>
 
214
        <term><option>--configdir
 
215
        <replaceable>DIRECTORY</replaceable></option></term>
213
216
        <listitem>
214
217
          <para>
215
218
            Directory to search for configuration files.  Default is
221
224
          </para>
222
225
        </listitem>
223
226
      </varlistentry>
224
 
 
 
227
      
225
228
      <varlistentry>
226
 
        <term><literal>--version</literal></term>
 
229
        <term><option>--version</option></term>
227
230
        <listitem>
228
231
          <para>
229
232
            Prints the program version and exit.
230
233
          </para>
231
234
        </listitem>
232
235
      </varlistentry>
 
236
      
 
237
      <varlistentry>
 
238
        <term><option>--no-dbus</option></term>
 
239
        <listitem>
 
240
          <xi:include href="mandos-options.xml" xpointer="dbus"/>
 
241
          <para>
 
242
            See also <xref linkend="dbus_interface"/>.
 
243
          </para>
 
244
        </listitem>
 
245
      </varlistentry>
 
246
      
 
247
      <varlistentry>
 
248
        <term><option>--no-ipv6</option></term>
 
249
        <listitem>
 
250
          <xi:include href="mandos-options.xml" xpointer="ipv6"/>
 
251
        </listitem>
 
252
      </varlistentry>
233
253
    </variablelist>
234
254
  </refsect1>
235
 
 
 
255
  
236
256
  <refsect1 id="overview">
237
257
    <title>OVERVIEW</title>
238
258
    <xi:include href="overview.xml"/>
239
259
    <para>
240
260
      This program is the server part.  It is a normal server program
241
261
      and will run in a normal system environment, not in an initial
242
 
      RAM disk environment.
 
262
      <acronym>RAM</acronym> disk environment.
243
263
    </para>
244
264
  </refsect1>
245
 
 
 
265
  
246
266
  <refsect1 id="protocol">
247
267
    <title>NETWORK PROTOCOL</title>
248
268
    <para>
300
320
      </row>
301
321
    </tbody></tgroup></table>
302
322
  </refsect1>
303
 
 
 
323
  
304
324
  <refsect1 id="checking">
305
325
    <title>CHECKING</title>
306
326
    <para>
307
327
      The server will, by default, continually check that the clients
308
328
      are still up.  If a client has not been confirmed as being up
309
329
      for some time, the client is assumed to be compromised and is no
310
 
      longer eligible to receive the encrypted password.  The timeout,
 
330
      longer eligible to receive the encrypted password.  (Manual
 
331
      intervention is required to re-enable a client.)  The timeout,
311
332
      checker program, and interval between checks can be configured
312
333
      both globally and per client; see <citerefentry>
313
334
      <refentrytitle>mandos-clients.conf</refentrytitle>
314
 
      <manvolnum>5</manvolnum></citerefentry>.
 
335
      <manvolnum>5</manvolnum></citerefentry>.  A client successfully
 
336
      receiving its password will also be treated as a successful
 
337
      checker run.
315
338
    </para>
316
339
  </refsect1>
317
 
 
 
340
  
318
341
  <refsect1 id="logging">
319
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    <title>LOGGING</title>
320
343
    <para>
324
347
      and also show them on the console.
325
348
    </para>
326
349
  </refsect1>
327
 
 
 
350
  
 
351
  <refsect1 id="dbus_interface">
 
352
    <title>D-BUS INTERFACE</title>
 
353
    <para>
 
354
      The server will by default provide a D-Bus system bus interface.
 
355
      This interface will only be accessible by the root user or a
 
356
      Mandos-specific user, if such a user exists.
 
357
      <!-- XXX -->
 
358
    </para>
 
359
  </refsect1>
 
360
  
328
361
  <refsect1 id="exit_status">
329
362
    <title>EXIT STATUS</title>
330
363
    <para>
332
365
      critical error is encountered.
333
366
    </para>
334
367
  </refsect1>
335
 
 
 
368
  
336
369
  <refsect1 id="environment">
337
370
    <title>ENVIRONMENT</title>
338
371
    <variablelist>
339
372
      <varlistentry>
340
 
        <term><varname>PATH</varname></term>
 
373
        <term><envar>PATH</envar></term>
341
374
        <listitem>
342
375
          <para>
343
376
            To start the configured checker (see <xref
352
385
      </varlistentry>
353
386
    </variablelist>
354
387
  </refsect1>
355
 
 
356
 
  <refsect1 id="file">
 
388
  
 
389
  <refsect1 id="files">
357
390
    <title>FILES</title>
358
391
    <para>
359
392
      Use the <option>--configdir</option> option to change where
382
415
        </listitem>
383
416
      </varlistentry>
384
417
      <varlistentry>
385
 
        <term><filename>/var/run/mandos/mandos.pid</filename></term>
 
418
        <term><filename>/var/run/mandos.pid</filename></term>
386
419
        <listitem>
387
420
          <para>
388
421
            The file containing the process id of
423
456
      Currently, if a client is declared <quote>invalid</quote> due to
424
457
      having timed out, the server does not record this fact onto
425
458
      permanent storage.  This has some security implications, see
426
 
      <xref linkend="CLIENTS"/>.
 
459
      <xref linkend="clients"/>.
427
460
    </para>
428
461
    <para>
429
462
      There is currently no way of querying the server of the current
437
470
      Debug mode is conflated with running in the foreground.
438
471
    </para>
439
472
    <para>
440
 
      The console log messages does not show a timestamp.
 
473
      The console log messages do not show a time stamp.
 
474
    </para>
 
475
    <para>
 
476
      This server does not check the expire time of clients’ OpenPGP
 
477
      keys.
441
478
    </para>
442
479
  </refsect1>
443
480
  
448
485
        Normal invocation needs no options:
449
486
      </para>
450
487
      <para>
451
 
        <userinput>mandos</userinput>
 
488
        <userinput>&COMMANDNAME;</userinput>
452
489
      </para>
453
490
    </informalexample>
454
491
    <informalexample>
461
498
      <para>
462
499
 
463
500
<!-- do not wrap this line -->
464
 
<userinput>mandos --debug --configdir ~/mandos --servicename Test</userinput>
 
501
<userinput>&COMMANDNAME; --debug --configdir ~/mandos --servicename Test</userinput>
465
502
 
466
503
      </para>
467
504
    </informalexample>
473
510
      <para>
474
511
 
475
512
<!-- do not wrap this line -->
476
 
<userinput>mandos --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
 
513
<userinput>&COMMANDNAME; --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
477
514
 
478
515
      </para>
479
516
    </informalexample>
480
517
  </refsect1>
481
 
 
 
518
  
482
519
  <refsect1 id="security">
483
520
    <title>SECURITY</title>
484
 
    <refsect2 id="SERVER">
 
521
    <refsect2 id="server">
485
522
      <title>SERVER</title>
486
523
      <para>
487
524
        Running this <command>&COMMANDNAME;</command> server program
488
525
        should not in itself present any security risk to the host
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.
 
526
        computer running it.  The program switches to a non-root user
 
527
        soon after startup.
491
528
      </para>
492
529
    </refsect2>
493
 
    <refsect2 id="CLIENTS">
 
530
    <refsect2 id="clients">
494
531
      <title>CLIENTS</title>
495
532
      <para>
496
533
        The server only gives out its stored data to clients which
503
540
        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
504
541
        <manvolnum>5</manvolnum></citerefentry>)
505
542
        <emphasis>must</emphasis> be made non-readable by anyone
506
 
        except the user running the server.
 
543
        except the user starting the server (usually root).
507
544
      </para>
508
545
      <para>
509
546
        As detailed in <xref linkend="checking"/>, the status of all
520
557
        restarting servers if it is suspected that a client has, in
521
558
        fact, been compromised by parties who may now be running a
522
559
        fake Mandos client with the keys from the non-encrypted
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
 
560
        initial <acronym>RAM</acronym> image of the client host.  What
 
561
        should be done in that case (if restarting the server program
 
562
        really is necessary) is to stop the server program, edit the
526
563
        configuration file to omit any suspect clients, and restart
527
564
        the server program.
528
565
      </para>
529
566
      <para>
530
567
        For more details on client-side security, see
531
 
        <citerefentry><refentrytitle>password-request</refentrytitle>
 
568
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
532
569
        <manvolnum>8mandos</manvolnum></citerefentry>.
533
570
      </para>
534
571
    </refsect2>
535
572
  </refsect1>
536
 
 
 
573
  
537
574
  <refsect1 id="see_also">
538
575
    <title>SEE ALSO</title>
539
576
    <para>
540
577
      <citerefentry>
 
578
        <refentrytitle>mandos-clients.conf</refentrytitle>
 
579
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
541
580
        <refentrytitle>mandos.conf</refentrytitle>
542
581
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
543
 
        <refentrytitle>mandos-clients.conf</refentrytitle>
544
 
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
545
 
        <refentrytitle>password-request</refentrytitle>
 
582
        <refentrytitle>mandos-client</refentrytitle>
546
583
        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
547
584
        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
548
585
      </citerefentry>
572
609
      </varlistentry>
573
610
      <varlistentry>
574
611
        <term>
575
 
          <ulink
576
 
              url="http://www.gnu.org/software/gnutls/">GnuTLS</ulink>
 
612
          <ulink url="http://www.gnu.org/software/gnutls/"
 
613
          >GnuTLS</ulink>
577
614
        </term>
578
615
      <listitem>
579
616
        <para>
585
622
      </varlistentry>
586
623
      <varlistentry>
587
624
        <term>
588
 
          <citation>RFC 4291: <citetitle>IP Version 6 Addressing
589
 
          Architecture</citetitle>, section 2.5.6, Link-Local IPv6
590
 
          Unicast Addresses</citation>
 
625
          RFC 4291: <citetitle>IP Version 6 Addressing
 
626
          Architecture</citetitle>
591
627
        </term>
592
628
        <listitem>
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>
 
629
          <variablelist>
 
630
            <varlistentry>
 
631
              <term>Section 2.2: <citetitle>Text Representation of
 
632
              Addresses</citetitle></term>
 
633
              <listitem><para/></listitem>
 
634
            </varlistentry>
 
635
            <varlistentry>
 
636
              <term>Section 2.5.5.2: <citetitle>IPv4-Mapped IPv6
 
637
              Address</citetitle></term>
 
638
              <listitem><para/></listitem>
 
639
            </varlistentry>
 
640
            <varlistentry>
 
641
            <term>Section 2.5.6, <citetitle>Link-Local IPv6 Unicast
 
642
            Addresses</citetitle></term>
 
643
            <listitem>
 
644
              <para>
 
645
                The clients use IPv6 link-local addresses, which are
 
646
                immediately usable since a link-local addresses is
 
647
                automatically assigned to a network interfaces when it
 
648
                is brought up.
 
649
              </para>
 
650
            </listitem>
 
651
            </varlistentry>
 
652
          </variablelist>
599
653
        </listitem>
600
654
      </varlistentry>
601
655
      <varlistentry>
602
656
        <term>
603
 
          <citation>RFC 4346: <citetitle>The Transport Layer Security
604
 
          (TLS) Protocol Version 1.1</citetitle></citation>
 
657
          RFC 4346: <citetitle>The Transport Layer Security (TLS)
 
658
          Protocol Version 1.1</citetitle>
605
659
        </term>
606
660
      <listitem>
607
661
        <para>
611
665
      </varlistentry>
612
666
      <varlistentry>
613
667
        <term>
614
 
          <citation>RFC 4880: <citetitle>OpenPGP Message
615
 
          Format</citetitle></citation>
 
668
          RFC 4880: <citetitle>OpenPGP Message Format</citetitle>
616
669
        </term>
617
670
      <listitem>
618
671
        <para>
622
675
      </varlistentry>
623
676
      <varlistentry>
624
677
        <term>
625
 
          <citation>RFC 5081: <citetitle>Using OpenPGP Keys for
626
 
          Transport Layer Security</citetitle></citation>
 
678
          RFC 5081: <citetitle>Using OpenPGP Keys for Transport Layer
 
679
          Security</citetitle>
627
680
        </term>
628
681
      <listitem>
629
682
        <para>
635
688
    </variablelist>
636
689
  </refsect1>
637
690
</refentry>
 
691
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692
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693
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694
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695
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