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  • Committer: Teddy Hogeborn
  • Date: 2008-08-24 09:40:58 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080824094058-bdqng3t1e3hfnk2e
* plugin-runner.c (getplugin): Only copy "name" if not NULL.  Free
                               "copy_name" if any error occurs.
  (free_plugin_list): Do not free "name" member; it it freed as part
                      of argv.
  (main): Set plugin_list to NULL after freeing it.

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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>
15
 
    <productnumber>&version;</productnumber>
16
 
    <date>&TIMESTAMP;</date>
 
12
    <productname>&COMMANDNAME;</productname>
 
13
    <productnumber>&VERSION;</productnumber>
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    <authorgroup>
18
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      <author>
19
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        <firstname>Björn</firstname>
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
37
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    </copyright>
38
 
    <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>
39
58
  </refentryinfo>
40
 
  
 
59
 
41
60
  <refmeta>
42
61
    <refentrytitle>&COMMANDNAME;</refentrytitle>
43
62
    <manvolnum>8</manvolnum>
46
65
  <refnamediv>
47
66
    <refname><command>&COMMANDNAME;</command></refname>
48
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    <refpurpose>
49
 
      Gives encrypted passwords to authenticated Mandos clients
 
68
      Sends encrypted passwords to authenticated Mandos clients
50
69
    </refpurpose>
51
70
  </refnamediv>
52
 
  
 
71
 
53
72
  <refsynopsisdiv>
54
73
    <cmdsynopsis>
55
74
      <command>&COMMANDNAME;</command>
56
 
      <group>
57
 
        <arg choice="plain"><option>--interface
58
 
        <replaceable>NAME</replaceable></option></arg>
59
 
        <arg choice="plain"><option>-i
60
 
        <replaceable>NAME</replaceable></option></arg>
61
 
      </group>
62
 
      <sbr/>
63
 
      <group>
64
 
        <arg choice="plain"><option>--address
65
 
        <replaceable>ADDRESS</replaceable></option></arg>
66
 
        <arg choice="plain"><option>-a
67
 
        <replaceable>ADDRESS</replaceable></option></arg>
68
 
      </group>
69
 
      <sbr/>
70
 
      <group>
71
 
        <arg choice="plain"><option>--port
72
 
        <replaceable>PORT</replaceable></option></arg>
73
 
        <arg choice="plain"><option>-p
74
 
        <replaceable>PORT</replaceable></option></arg>
75
 
      </group>
76
 
      <sbr/>
77
 
      <arg><option>--priority
78
 
      <replaceable>PRIORITY</replaceable></option></arg>
79
 
      <sbr/>
80
 
      <arg><option>--servicename
81
 
      <replaceable>NAME</replaceable></option></arg>
82
 
      <sbr/>
83
 
      <arg><option>--configdir
84
 
      <replaceable>DIRECTORY</replaceable></option></arg>
85
 
      <sbr/>
86
 
      <arg><option>--debug</option></arg>
87
 
      <sbr/>
88
 
      <arg><option>--no-dbus</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>
89
92
    </cmdsynopsis>
90
93
    <cmdsynopsis>
91
94
      <command>&COMMANDNAME;</command>
92
95
      <group choice="req">
93
 
        <arg choice="plain"><option>--help</option></arg>
94
 
        <arg choice="plain"><option>-h</option></arg>
 
96
        <arg choice="plain">-h</arg>
 
97
        <arg choice="plain">--help</arg>
95
98
      </group>
96
99
    </cmdsynopsis>
97
100
    <cmdsynopsis>
98
101
      <command>&COMMANDNAME;</command>
99
 
      <arg choice="plain"><option>--version</option></arg>
 
102
      <arg choice="plain">--version</arg>
100
103
    </cmdsynopsis>
101
104
    <cmdsynopsis>
102
105
      <command>&COMMANDNAME;</command>
103
 
      <arg choice="plain"><option>--check</option></arg>
 
106
      <arg choice="plain">--check</arg>
104
107
    </cmdsynopsis>
105
108
  </refsynopsisdiv>
106
 
  
 
109
 
107
110
  <refsect1 id="description">
108
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    <title>DESCRIPTION</title>
109
112
    <para>
118
121
      Any authenticated client is then given the stored pre-encrypted
119
122
      password for that specific client.
120
123
    </para>
 
124
 
121
125
  </refsect1>
122
126
  
123
127
  <refsect1 id="purpose">
124
128
    <title>PURPOSE</title>
 
129
 
125
130
    <para>
126
131
      The purpose of this is to enable <emphasis>remote and unattended
127
132
      rebooting</emphasis> of client host computer with an
128
133
      <emphasis>encrypted root file system</emphasis>.  See <xref
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      linkend="overview"/> for details.
130
135
    </para>
 
136
 
131
137
  </refsect1>
132
138
  
133
139
  <refsect1 id="options">
134
140
    <title>OPTIONS</title>
 
141
 
135
142
    <variablelist>
136
143
      <varlistentry>
137
 
        <term><option>--help</option></term>
138
 
        <term><option>-h</option></term>
 
144
        <term><literal>-h</literal>, <literal>--help</literal></term>
139
145
        <listitem>
140
146
          <para>
141
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            Show a help message and exit
142
148
          </para>
143
149
        </listitem>
144
150
      </varlistentry>
145
 
      
 
151
 
146
152
      <varlistentry>
147
 
        <term><option>--interface</option>
148
 
        <replaceable>NAME</replaceable></term>
149
 
        <term><option>-i</option>
150
 
        <replaceable>NAME</replaceable></term>
 
153
        <term><literal>-i</literal>, <literal>--interface <replaceable>
 
154
        IF</replaceable></literal></term>
151
155
        <listitem>
152
156
          <xi:include href="mandos-options.xml" xpointer="interface"/>
153
157
        </listitem>
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      </varlistentry>
155
 
      
 
159
 
156
160
      <varlistentry>
157
 
        <term><option>--address
158
 
        <replaceable>ADDRESS</replaceable></option></term>
159
 
        <term><option>-a
160
 
        <replaceable>ADDRESS</replaceable></option></term>
 
161
        <term><literal>-a</literal>, <literal>--address <replaceable>
 
162
        ADDRESS</replaceable></literal></term>
161
163
        <listitem>
162
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          <xi:include href="mandos-options.xml" xpointer="address"/>
163
165
        </listitem>
164
166
      </varlistentry>
165
 
      
 
167
 
166
168
      <varlistentry>
167
 
        <term><option>--port
168
 
        <replaceable>PORT</replaceable></option></term>
169
 
        <term><option>-p
170
 
        <replaceable>PORT</replaceable></option></term>
 
169
        <term><literal>-p</literal>, <literal>--port <replaceable>
 
170
        PORT</replaceable></literal></term>
171
171
        <listitem>
172
172
          <xi:include href="mandos-options.xml" xpointer="port"/>
173
173
        </listitem>
174
174
      </varlistentry>
175
 
      
 
175
 
176
176
      <varlistentry>
177
 
        <term><option>--check</option></term>
 
177
        <term><literal>--check</literal></term>
178
178
        <listitem>
179
179
          <para>
180
180
            Run the server’s self-tests.  This includes any unit
182
182
          </para>
183
183
        </listitem>
184
184
      </varlistentry>
185
 
      
 
185
 
186
186
      <varlistentry>
187
 
        <term><option>--debug</option></term>
 
187
        <term><literal>--debug</literal></term>
188
188
        <listitem>
189
189
          <xi:include href="mandos-options.xml" xpointer="debug"/>
190
190
        </listitem>
191
191
      </varlistentry>
192
 
      
 
192
 
193
193
      <varlistentry>
194
 
        <term><option>--priority <replaceable>
195
 
        PRIORITY</replaceable></option></term>
 
194
        <term><literal>--priority <replaceable>
 
195
        PRIORITY</replaceable></literal></term>
196
196
        <listitem>
197
197
          <xi:include href="mandos-options.xml" xpointer="priority"/>
198
198
        </listitem>
199
199
      </varlistentry>
200
 
      
 
200
 
201
201
      <varlistentry>
202
 
        <term><option>--servicename
203
 
        <replaceable>NAME</replaceable></option></term>
 
202
        <term><literal>--servicename <replaceable>NAME</replaceable>
 
203
        </literal></term>
204
204
        <listitem>
205
205
          <xi:include href="mandos-options.xml"
206
206
                      xpointer="servicename"/>
207
207
        </listitem>
208
208
      </varlistentry>
209
 
      
 
209
 
210
210
      <varlistentry>
211
 
        <term><option>--configdir
212
 
        <replaceable>DIRECTORY</replaceable></option></term>
 
211
        <term><literal>--configdir <replaceable>DIR</replaceable>
 
212
        </literal></term>
213
213
        <listitem>
214
214
          <para>
215
215
            Directory to search for configuration files.  Default is
221
221
          </para>
222
222
        </listitem>
223
223
      </varlistentry>
224
 
      
 
224
 
225
225
      <varlistentry>
226
 
        <term><option>--version</option></term>
 
226
        <term><literal>--version</literal></term>
227
227
        <listitem>
228
228
          <para>
229
229
            Prints the program version and exit.
230
230
          </para>
231
231
        </listitem>
232
232
      </varlistentry>
233
 
      
234
 
      <varlistentry>
235
 
        <term><option>--no-dbus</option></term>
236
 
        <listitem>
237
 
          <xi:include href="mandos-options.xml" xpointer="dbus"/>
238
 
          <para>
239
 
            See also <xref linkend="dbus_interface"/>.
240
 
          </para>
241
 
        </listitem>
242
 
      </varlistentry>
243
233
    </variablelist>
244
234
  </refsect1>
245
 
  
 
235
 
246
236
  <refsect1 id="overview">
247
237
    <title>OVERVIEW</title>
248
238
    <xi:include href="overview.xml"/>
249
239
    <para>
250
240
      This program is the server part.  It is a normal server program
251
241
      and will run in a normal system environment, not in an initial
252
 
      <acronym>RAM</acronym> disk environment.
 
242
      RAM disk environment.
253
243
    </para>
254
244
  </refsect1>
255
 
  
 
245
 
256
246
  <refsect1 id="protocol">
257
247
    <title>NETWORK PROTOCOL</title>
258
248
    <para>
310
300
      </row>
311
301
    </tbody></tgroup></table>
312
302
  </refsect1>
313
 
  
 
303
 
314
304
  <refsect1 id="checking">
315
305
    <title>CHECKING</title>
316
306
    <para>
324
314
      <manvolnum>5</manvolnum></citerefentry>.
325
315
    </para>
326
316
  </refsect1>
327
 
  
 
317
 
328
318
  <refsect1 id="logging">
329
319
    <title>LOGGING</title>
330
320
    <para>
334
324
      and also show them on the console.
335
325
    </para>
336
326
  </refsect1>
337
 
  
338
 
  <refsect1 id="dbus_interface">
339
 
    <title>D-BUS INTERFACE</title>
340
 
    <para>
341
 
      The server will by default provide a D-Bus system bus interface.
342
 
      This interface will only be accessible by the root user or a
343
 
      Mandos-specific user, if such a user exists.
344
 
      <!-- XXX -->
345
 
    </para>
346
 
  </refsect1>
347
327
 
348
328
  <refsect1 id="exit_status">
349
329
    <title>EXIT STATUS</title>
352
332
      critical error is encountered.
353
333
    </para>
354
334
  </refsect1>
355
 
  
 
335
 
356
336
  <refsect1 id="environment">
357
337
    <title>ENVIRONMENT</title>
358
338
    <variablelist>
359
339
      <varlistentry>
360
 
        <term><envar>PATH</envar></term>
 
340
        <term><varname>PATH</varname></term>
361
341
        <listitem>
362
342
          <para>
363
343
            To start the configured checker (see <xref
372
352
      </varlistentry>
373
353
    </variablelist>
374
354
  </refsect1>
375
 
  
376
 
  <refsect1 id="files">
 
355
 
 
356
  <refsect1 id="file">
377
357
    <title>FILES</title>
378
358
    <para>
379
359
      Use the <option>--configdir</option> option to change where
402
382
        </listitem>
403
383
      </varlistentry>
404
384
      <varlistentry>
405
 
        <term><filename>/var/run/mandos.pid</filename></term>
 
385
        <term><filename>/var/run/mandos/mandos.pid</filename></term>
406
386
        <listitem>
407
387
          <para>
408
388
            The file containing the process id of
443
423
      Currently, if a client is declared <quote>invalid</quote> due to
444
424
      having timed out, the server does not record this fact onto
445
425
      permanent storage.  This has some security implications, see
446
 
      <xref linkend="clients"/>.
 
426
      <xref linkend="CLIENTS"/>.
447
427
    </para>
448
428
    <para>
449
429
      There is currently no way of querying the server of the current
457
437
      Debug mode is conflated with running in the foreground.
458
438
    </para>
459
439
    <para>
460
 
      The console log messages does not show a time stamp.
461
 
    </para>
462
 
    <para>
463
 
      This server does not check the expire time of clients’ OpenPGP
464
 
      keys.
 
440
      The console log messages does not show a timestamp.
465
441
    </para>
466
442
  </refsect1>
467
443
  
472
448
        Normal invocation needs no options:
473
449
      </para>
474
450
      <para>
475
 
        <userinput>&COMMANDNAME;</userinput>
 
451
        <userinput>mandos</userinput>
476
452
      </para>
477
453
    </informalexample>
478
454
    <informalexample>
485
461
      <para>
486
462
 
487
463
<!-- do not wrap this line -->
488
 
<userinput>&COMMANDNAME; --debug --configdir ~/mandos --servicename Test</userinput>
 
464
<userinput>mandos --debug --configdir ~/mandos --servicename Test</userinput>
489
465
 
490
466
      </para>
491
467
    </informalexample>
497
473
      <para>
498
474
 
499
475
<!-- do not wrap this line -->
500
 
<userinput>&COMMANDNAME; --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
 
476
<userinput>mandos --interface eth7 --address fe80::aede:48ff:fe71:f6f2</userinput>
501
477
 
502
478
      </para>
503
479
    </informalexample>
504
480
  </refsect1>
505
 
  
 
481
 
506
482
  <refsect1 id="security">
507
483
    <title>SECURITY</title>
508
 
    <refsect2 id="server">
 
484
    <refsect2 id="SERVER">
509
485
      <title>SERVER</title>
510
486
      <para>
511
487
        Running this <command>&COMMANDNAME;</command> server program
512
488
        should not in itself present any security risk to the host
513
 
        computer running it.  The program switches to a non-root user
514
 
        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.
515
491
      </para>
516
492
    </refsect2>
517
 
    <refsect2 id="clients">
 
493
    <refsect2 id="CLIENTS">
518
494
      <title>CLIENTS</title>
519
495
      <para>
520
496
        The server only gives out its stored data to clients which
527
503
        <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
528
504
        <manvolnum>5</manvolnum></citerefentry>)
529
505
        <emphasis>must</emphasis> be made non-readable by anyone
530
 
        except the user starting the server (usually root).
 
506
        except the user running the server.
531
507
      </para>
532
508
      <para>
533
509
        As detailed in <xref linkend="checking"/>, the status of all
544
520
        restarting servers if it is suspected that a client has, in
545
521
        fact, been compromised by parties who may now be running a
546
522
        fake Mandos client with the keys from the non-encrypted
547
 
        initial <acronym>RAM</acronym> image of the client host.  What
548
 
        should be done in that case (if restarting the server program
549
 
        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
550
526
        configuration file to omit any suspect clients, and restart
551
527
        the server program.
552
528
      </para>
553
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      <para>
554
530
        For more details on client-side security, see
555
 
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
531
        <citerefentry><refentrytitle>password-request</refentrytitle>
556
532
        <manvolnum>8mandos</manvolnum></citerefentry>.
557
533
      </para>
558
534
    </refsect2>
559
535
  </refsect1>
560
 
  
 
536
 
561
537
  <refsect1 id="see_also">
562
538
    <title>SEE ALSO</title>
563
539
    <para>
564
540
      <citerefentry>
 
541
        <refentrytitle>mandos.conf</refentrytitle>
 
542
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
565
543
        <refentrytitle>mandos-clients.conf</refentrytitle>
566
544
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
567
 
        <refentrytitle>mandos.conf</refentrytitle>
568
 
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
569
 
        <refentrytitle>mandos-client</refentrytitle>
 
545
        <refentrytitle>password-request</refentrytitle>
570
546
        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
571
547
        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
572
548
      </citerefentry>
596
572
      </varlistentry>
597
573
      <varlistentry>
598
574
        <term>
599
 
          <ulink url="http://www.gnu.org/software/gnutls/"
600
 
          >GnuTLS</ulink>
 
575
          <ulink
 
576
              url="http://www.gnu.org/software/gnutls/">GnuTLS</ulink>
601
577
        </term>
602
578
      <listitem>
603
579
        <para>
609
585
      </varlistentry>
610
586
      <varlistentry>
611
587
        <term>
612
 
          RFC 4291: <citetitle>IP Version 6 Addressing
613
 
          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>
614
591
        </term>
615
592
        <listitem>
616
 
          <variablelist>
617
 
            <varlistentry>
618
 
              <term>Section 2.2: <citetitle>Text Representation of
619
 
              Addresses</citetitle></term>
620
 
              <listitem><para/></listitem>
621
 
            </varlistentry>
622
 
            <varlistentry>
623
 
              <term>Section 2.5.5.2: <citetitle>IPv4-Mapped IPv6
624
 
              Address</citetitle></term>
625
 
              <listitem><para/></listitem>
626
 
            </varlistentry>
627
 
            <varlistentry>
628
 
            <term>Section 2.5.6, <citetitle>Link-Local IPv6 Unicast
629
 
            Addresses</citetitle></term>
630
 
            <listitem>
631
 
              <para>
632
 
                The clients use IPv6 link-local addresses, which are
633
 
                immediately usable since a link-local addresses is
634
 
                automatically assigned to a network interfaces when it
635
 
                is brought up.
636
 
              </para>
637
 
            </listitem>
638
 
            </varlistentry>
639
 
          </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>
640
599
        </listitem>
641
600
      </varlistentry>
642
601
      <varlistentry>
643
602
        <term>
644
 
          RFC 4346: <citetitle>The Transport Layer Security (TLS)
645
 
          Protocol Version 1.1</citetitle>
 
603
          <citation>RFC 4346: <citetitle>The Transport Layer Security
 
604
          (TLS) Protocol Version 1.1</citetitle></citation>
646
605
        </term>
647
606
      <listitem>
648
607
        <para>
652
611
      </varlistentry>
653
612
      <varlistentry>
654
613
        <term>
655
 
          RFC 4880: <citetitle>OpenPGP Message Format</citetitle>
 
614
          <citation>RFC 4880: <citetitle>OpenPGP Message
 
615
          Format</citetitle></citation>
656
616
        </term>
657
617
      <listitem>
658
618
        <para>
662
622
      </varlistentry>
663
623
      <varlistentry>
664
624
        <term>
665
 
          RFC 5081: <citetitle>Using OpenPGP Keys for Transport Layer
666
 
          Security</citetitle>
 
625
          <citation>RFC 5081: <citetitle>Using OpenPGP Keys for
 
626
          Transport Layer Security</citetitle></citation>
667
627
        </term>
668
628
      <listitem>
669
629
        <para>
675
635
    </variablelist>
676
636
  </refsect1>
677
637
</refentry>
678
 
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679
 
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680
 
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681
 
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682
 
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