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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 "2009-02-24">
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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>
15
 
    <productnumber>&version;</productnumber>
16
 
    <date>&TIMESTAMP;</date>
 
12
    <productname>&COMMANDNAME;</productname>
 
13
    <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>
35
 
      <year>2009</year>
36
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
38
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    </copyright>
39
 
    <xi:include href="legalnotice.xml"/>
 
35
    <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>
40
58
  </refentryinfo>
41
 
  
 
59
 
42
60
  <refmeta>
43
61
    <refentrytitle>&COMMANDNAME;</refentrytitle>
44
62
    <manvolnum>8</manvolnum>
47
65
  <refnamediv>
48
66
    <refname><command>&COMMANDNAME;</command></refname>
49
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    <refpurpose>
50
 
      Gives encrypted passwords to authenticated Mandos clients
 
68
      Sends encrypted passwords to authenticated Mandos clients
51
69
    </refpurpose>
52
70
  </refnamediv>
53
 
  
 
71
 
54
72
  <refsynopsisdiv>
55
73
    <cmdsynopsis>
56
74
      <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>
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-ipv6</option></arg>
 
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>
90
92
    </cmdsynopsis>
91
93
    <cmdsynopsis>
92
94
      <command>&COMMANDNAME;</command>
93
95
      <group choice="req">
94
 
        <arg choice="plain"><option>--help</option></arg>
95
 
        <arg choice="plain"><option>-h</option></arg>
 
96
        <arg choice="plain">-h</arg>
 
97
        <arg choice="plain">--help</arg>
96
98
      </group>
97
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    </cmdsynopsis>
98
100
    <cmdsynopsis>
99
101
      <command>&COMMANDNAME;</command>
100
 
      <arg choice="plain"><option>--version</option></arg>
 
102
      <arg choice="plain">--version</arg>
101
103
    </cmdsynopsis>
102
104
    <cmdsynopsis>
103
105
      <command>&COMMANDNAME;</command>
104
 
      <arg choice="plain"><option>--check</option></arg>
 
106
      <arg choice="plain">--check</arg>
105
107
    </cmdsynopsis>
106
108
  </refsynopsisdiv>
107
 
  
 
109
 
108
110
  <refsect1 id="description">
109
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    <title>DESCRIPTION</title>
110
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    <para>
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      Any authenticated client is then given the stored pre-encrypted
120
122
      password for that specific client.
121
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    </para>
 
124
 
122
125
  </refsect1>
123
126
  
124
127
  <refsect1 id="purpose">
125
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    <title>PURPOSE</title>
 
129
 
126
130
    <para>
127
131
      The purpose of this is to enable <emphasis>remote and unattended
128
132
      rebooting</emphasis> of client host computer with an
129
133
      <emphasis>encrypted root file system</emphasis>.  See <xref
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      linkend="overview"/> for details.
131
135
    </para>
 
136
 
132
137
  </refsect1>
133
138
  
134
139
  <refsect1 id="options">
135
140
    <title>OPTIONS</title>
 
141
 
136
142
    <variablelist>
137
143
      <varlistentry>
138
 
        <term><option>--help</option></term>
139
 
        <term><option>-h</option></term>
 
144
        <term><literal>-h</literal>, <literal>--help</literal></term>
140
145
        <listitem>
141
146
          <para>
142
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            Show a help message and exit
143
148
          </para>
144
149
        </listitem>
145
150
      </varlistentry>
146
 
      
 
151
 
147
152
      <varlistentry>
148
 
        <term><option>--interface</option>
149
 
        <replaceable>NAME</replaceable></term>
150
 
        <term><option>-i</option>
151
 
        <replaceable>NAME</replaceable></term>
 
153
        <term><literal>-i</literal>, <literal>--interface <replaceable>
 
154
        IF</replaceable></literal></term>
152
155
        <listitem>
153
156
          <xi:include href="mandos-options.xml" xpointer="interface"/>
154
157
        </listitem>
155
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      </varlistentry>
156
 
      
 
159
 
157
160
      <varlistentry>
158
 
        <term><option>--address
159
 
        <replaceable>ADDRESS</replaceable></option></term>
160
 
        <term><option>-a
161
 
        <replaceable>ADDRESS</replaceable></option></term>
 
161
        <term><literal>-a</literal>, <literal>--address <replaceable>
 
162
        ADDRESS</replaceable></literal></term>
162
163
        <listitem>
163
164
          <xi:include href="mandos-options.xml" xpointer="address"/>
164
165
        </listitem>
165
166
      </varlistentry>
166
 
      
 
167
 
167
168
      <varlistentry>
168
 
        <term><option>--port
169
 
        <replaceable>PORT</replaceable></option></term>
170
 
        <term><option>-p
171
 
        <replaceable>PORT</replaceable></option></term>
 
169
        <term><literal>-p</literal>, <literal>--port <replaceable>
 
170
        PORT</replaceable></literal></term>
172
171
        <listitem>
173
172
          <xi:include href="mandos-options.xml" xpointer="port"/>
174
173
        </listitem>
175
174
      </varlistentry>
176
 
      
 
175
 
177
176
      <varlistentry>
178
 
        <term><option>--check</option></term>
 
177
        <term><literal>--check</literal></term>
179
178
        <listitem>
180
179
          <para>
181
180
            Run the server’s self-tests.  This includes any unit
183
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          </para>
184
183
        </listitem>
185
184
      </varlistentry>
186
 
      
 
185
 
187
186
      <varlistentry>
188
 
        <term><option>--debug</option></term>
 
187
        <term><literal>--debug</literal></term>
189
188
        <listitem>
190
189
          <xi:include href="mandos-options.xml" xpointer="debug"/>
191
190
        </listitem>
192
191
      </varlistentry>
193
 
      
 
192
 
194
193
      <varlistentry>
195
 
        <term><option>--priority <replaceable>
196
 
        PRIORITY</replaceable></option></term>
 
194
        <term><literal>--priority <replaceable>
 
195
        PRIORITY</replaceable></literal></term>
197
196
        <listitem>
198
197
          <xi:include href="mandos-options.xml" xpointer="priority"/>
199
198
        </listitem>
200
199
      </varlistentry>
201
 
      
 
200
 
202
201
      <varlistentry>
203
 
        <term><option>--servicename
204
 
        <replaceable>NAME</replaceable></option></term>
 
202
        <term><literal>--servicename <replaceable>NAME</replaceable>
 
203
        </literal></term>
205
204
        <listitem>
206
205
          <xi:include href="mandos-options.xml"
207
206
                      xpointer="servicename"/>
208
207
        </listitem>
209
208
      </varlistentry>
210
 
      
 
209
 
211
210
      <varlistentry>
212
 
        <term><option>--configdir
213
 
        <replaceable>DIRECTORY</replaceable></option></term>
 
211
        <term><literal>--configdir <replaceable>DIR</replaceable>
 
212
        </literal></term>
214
213
        <listitem>
215
214
          <para>
216
215
            Directory to search for configuration files.  Default is
222
221
          </para>
223
222
        </listitem>
224
223
      </varlistentry>
225
 
      
 
224
 
226
225
      <varlistentry>
227
 
        <term><option>--version</option></term>
 
226
        <term><literal>--version</literal></term>
228
227
        <listitem>
229
228
          <para>
230
229
            Prints the program version and exit.
231
230
          </para>
232
231
        </listitem>
233
232
      </varlistentry>
234
 
      
235
 
      <varlistentry>
236
 
        <term><option>--no-ipv6</option></term>
237
 
        <listitem>
238
 
          <xi:include href="mandos-options.xml" xpointer="ipv6"/>
239
 
        </listitem>
240
 
      </varlistentry>
241
233
    </variablelist>
242
234
  </refsect1>
243
 
  
 
235
 
244
236
  <refsect1 id="overview">
245
237
    <title>OVERVIEW</title>
246
238
    <xi:include href="overview.xml"/>
247
239
    <para>
248
240
      This program is the server part.  It is a normal server program
249
241
      and will run in a normal system environment, not in an initial
250
 
      <acronym>RAM</acronym> disk environment.
 
242
      RAM disk environment.
251
243
    </para>
252
244
  </refsect1>
253
 
  
 
245
 
254
246
  <refsect1 id="protocol">
255
247
    <title>NETWORK PROTOCOL</title>
256
248
    <para>
308
300
      </row>
309
301
    </tbody></tgroup></table>
310
302
  </refsect1>
311
 
  
 
303
 
312
304
  <refsect1 id="checking">
313
305
    <title>CHECKING</title>
314
306
    <para>
322
314
      <manvolnum>5</manvolnum></citerefentry>.
323
315
    </para>
324
316
  </refsect1>
325
 
  
 
317
 
326
318
  <refsect1 id="logging">
327
319
    <title>LOGGING</title>
328
320
    <para>
332
324
      and also show them on the console.
333
325
    </para>
334
326
  </refsect1>
335
 
  
 
327
 
336
328
  <refsect1 id="exit_status">
337
329
    <title>EXIT STATUS</title>
338
330
    <para>
340
332
      critical error is encountered.
341
333
    </para>
342
334
  </refsect1>
343
 
  
 
335
 
344
336
  <refsect1 id="environment">
345
337
    <title>ENVIRONMENT</title>
346
338
    <variablelist>
347
339
      <varlistentry>
348
 
        <term><envar>PATH</envar></term>
 
340
        <term><varname>PATH</varname></term>
349
341
        <listitem>
350
342
          <para>
351
343
            To start the configured checker (see <xref
360
352
      </varlistentry>
361
353
    </variablelist>
362
354
  </refsect1>
363
 
  
364
 
  <refsect1 id="files">
 
355
 
 
356
  <refsect1 id="file">
365
357
    <title>FILES</title>
366
358
    <para>
367
359
      Use the <option>--configdir</option> option to change where
390
382
        </listitem>
391
383
      </varlistentry>
392
384
      <varlistentry>
393
 
        <term><filename>/var/run/mandos.pid</filename></term>
 
385
        <term><filename>/var/run/mandos/mandos.pid</filename></term>
394
386
        <listitem>
395
387
          <para>
396
388
            The file containing the process id of
431
423
      Currently, if a client is declared <quote>invalid</quote> due to
432
424
      having timed out, the server does not record this fact onto
433
425
      permanent storage.  This has some security implications, see
434
 
      <xref linkend="clients"/>.
 
426
      <xref linkend="CLIENTS"/>.
435
427
    </para>
436
428
    <para>
437
429
      There is currently no way of querying the server of the current
445
437
      Debug mode is conflated with running in the foreground.
446
438
    </para>
447
439
    <para>
448
 
      The console log messages do not show a time stamp.
449
 
    </para>
450
 
    <para>
451
 
      This server does not check the expire time of clients’ OpenPGP
452
 
      keys.
 
440
      The console log messages does not show a timestamp.
453
441
    </para>
454
442
  </refsect1>
455
443
  
460
448
        Normal invocation needs no options:
461
449
      </para>
462
450
      <para>
463
 
        <userinput>&COMMANDNAME;</userinput>
 
451
        <userinput>mandos</userinput>
464
452
      </para>
465
453
    </informalexample>
466
454
    <informalexample>
473
461
      <para>
474
462
 
475
463
<!-- do not wrap this line -->
476
 
<userinput>&COMMANDNAME; --debug --configdir ~/mandos --servicename Test</userinput>
 
464
<userinput>mandos --debug --configdir ~/mandos --servicename Test</userinput>
477
465
 
478
466
      </para>
479
467
    </informalexample>
485
473
      <para>
486
474
 
487
475
<!-- do not wrap this line -->
488
 
<userinput>&COMMANDNAME; --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
 
476
<userinput>mandos --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
489
477
 
490
478
      </para>
491
479
    </informalexample>
492
480
  </refsect1>
493
 
  
 
481
 
494
482
  <refsect1 id="security">
495
483
    <title>SECURITY</title>
496
 
    <refsect2 id="server">
 
484
    <refsect2 id="SERVER">
497
485
      <title>SERVER</title>
498
486
      <para>
499
487
        Running this <command>&COMMANDNAME;</command> server program
500
488
        should not in itself present any security risk to the host
501
 
        computer running it.  The program switches to a non-root user
502
 
        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.
503
491
      </para>
504
492
    </refsect2>
505
 
    <refsect2 id="clients">
 
493
    <refsect2 id="CLIENTS">
506
494
      <title>CLIENTS</title>
507
495
      <para>
508
496
        The server only gives out its stored data to clients which
515
503
        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
516
504
        <manvolnum>5</manvolnum></citerefentry>)
517
505
        <emphasis>must</emphasis> be made non-readable by anyone
518
 
        except the user starting the server (usually root).
 
506
        except the user running the server.
519
507
      </para>
520
508
      <para>
521
509
        As detailed in <xref linkend="checking"/>, the status of all
532
520
        restarting servers if it is suspected that a client has, in
533
521
        fact, been compromised by parties who may now be running a
534
522
        fake Mandos client with the keys from the non-encrypted
535
 
        initial <acronym>RAM</acronym> image of the client host.  What
536
 
        should be done in that case (if restarting the server program
537
 
        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
538
526
        configuration file to omit any suspect clients, and restart
539
527
        the server program.
540
528
      </para>
541
529
      <para>
542
530
        For more details on client-side security, see
543
 
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
531
        <citerefentry><refentrytitle>password-request</refentrytitle>
544
532
        <manvolnum>8mandos</manvolnum></citerefentry>.
545
533
      </para>
546
534
    </refsect2>
547
535
  </refsect1>
548
 
  
 
536
 
549
537
  <refsect1 id="see_also">
550
538
    <title>SEE ALSO</title>
551
539
    <para>
552
540
      <citerefentry>
 
541
        <refentrytitle>mandos.conf</refentrytitle>
 
542
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
553
543
        <refentrytitle>mandos-clients.conf</refentrytitle>
554
544
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
555
 
        <refentrytitle>mandos.conf</refentrytitle>
556
 
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
557
 
        <refentrytitle>mandos-client</refentrytitle>
 
545
        <refentrytitle>password-request</refentrytitle>
558
546
        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
559
547
        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
560
548
      </citerefentry>
584
572
      </varlistentry>
585
573
      <varlistentry>
586
574
        <term>
587
 
          <ulink url="http://www.gnu.org/software/gnutls/"
588
 
          >GnuTLS</ulink>
 
575
          <ulink
 
576
              url="http://www.gnu.org/software/gnutls/">GnuTLS</ulink>
589
577
        </term>
590
578
      <listitem>
591
579
        <para>
597
585
      </varlistentry>
598
586
      <varlistentry>
599
587
        <term>
600
 
          RFC 4291: <citetitle>IP Version 6 Addressing
601
 
          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>
602
591
        </term>
603
592
        <listitem>
604
 
          <variablelist>
605
 
            <varlistentry>
606
 
              <term>Section 2.2: <citetitle>Text Representation of
607
 
              Addresses</citetitle></term>
608
 
              <listitem><para/></listitem>
609
 
            </varlistentry>
610
 
            <varlistentry>
611
 
              <term>Section 2.5.5.2: <citetitle>IPv4-Mapped IPv6
612
 
              Address</citetitle></term>
613
 
              <listitem><para/></listitem>
614
 
            </varlistentry>
615
 
            <varlistentry>
616
 
            <term>Section 2.5.6, <citetitle>Link-Local IPv6 Unicast
617
 
            Addresses</citetitle></term>
618
 
            <listitem>
619
 
              <para>
620
 
                The clients use IPv6 link-local addresses, which are
621
 
                immediately usable since a link-local addresses is
622
 
                automatically assigned to a network interfaces when it
623
 
                is brought up.
624
 
              </para>
625
 
            </listitem>
626
 
            </varlistentry>
627
 
          </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>
628
599
        </listitem>
629
600
      </varlistentry>
630
601
      <varlistentry>
631
602
        <term>
632
 
          RFC 4346: <citetitle>The Transport Layer Security (TLS)
633
 
          Protocol Version 1.1</citetitle>
 
603
          <citation>RFC 4346: <citetitle>The Transport Layer Security
 
604
          (TLS) Protocol Version 1.1</citetitle></citation>
634
605
        </term>
635
606
      <listitem>
636
607
        <para>
640
611
      </varlistentry>
641
612
      <varlistentry>
642
613
        <term>
643
 
          RFC 4880: <citetitle>OpenPGP Message Format</citetitle>
 
614
          <citation>RFC 4880: <citetitle>OpenPGP Message
 
615
          Format</citetitle></citation>
644
616
        </term>
645
617
      <listitem>
646
618
        <para>
650
622
      </varlistentry>
651
623
      <varlistentry>
652
624
        <term>
653
 
          RFC 5081: <citetitle>Using OpenPGP Keys for Transport Layer
654
 
          Security</citetitle>
 
625
          <citation>RFC 5081: <citetitle>Using OpenPGP Keys for
 
626
          Transport Layer Security</citetitle></citation>
655
627
        </term>
656
628
      <listitem>
657
629
        <para>
663
635
    </variablelist>
664
636
  </refsect1>
665
637
</refentry>
666
 
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667
 
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668
 
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669
 
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