/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to mandos.xml

  • Committer: Björn Påhlsson
  • Date: 2010-10-02 18:28:21 UTC
  • mfrom: (237.4.6 mandos-release)
  • mto: This revision was merged to the branch mainline in revision 453.
  • Revision ID: belorn@fukt.bsnet.se-20101002182821-cazexo9y46o0g72o
Merge from release branch.

Show diffs side-by-side

added added

removed removed

Lines of Context:
mandos.xml
2
2
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3
3
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4
4
<!ENTITY COMMANDNAME "mandos">
5
 
<!ENTITY TIMESTAMP "2015-01-25">
 
5
<!ENTITY TIMESTAMP "2010-09-26">
6
6
<!ENTITY % common SYSTEM "common.ent">
7
7
%common;
8
8
]>
19
19
        <firstname>Björn</firstname>
20
20
        <surname>Påhlsson</surname>
21
21
        <address>
22
 
          <email>belorn@recompile.se</email>
 
22
          <email>belorn@fukt.bsnet.se</email>
23
23
        </address>
24
24
      </author>
25
25
      <author>
26
26
        <firstname>Teddy</firstname>
27
27
        <surname>Hogeborn</surname>
28
28
        <address>
29
 
          <email>teddy@recompile.se</email>
 
29
          <email>teddy@fukt.bsnet.se</email>
30
30
        </address>
31
31
      </author>
32
32
    </authorgroup>
34
34
      <year>2008</year>
35
35
      <year>2009</year>
36
36
      <year>2010</year>
37
 
      <year>2011</year>
38
 
      <year>2012</year>
39
 
      <year>2013</year>
40
37
      <holder>Teddy Hogeborn</holder>
41
38
      <holder>Björn Påhlsson</holder>
42
39
    </copyright>
96
93
      <arg><option>--no-dbus</option></arg>
97
94
      <sbr/>
98
95
      <arg><option>--no-ipv6</option></arg>
99
 
      <sbr/>
100
 
      <arg><option>--no-restore</option></arg>
101
 
      <sbr/>
102
 
      <arg><option>--statedir
103
 
      <replaceable>DIRECTORY</replaceable></option></arg>
104
 
      <sbr/>
105
 
      <arg><option>--socket
106
 
      <replaceable>FD</replaceable></option></arg>
107
 
      <sbr/>
108
 
      <arg><option>--foreground</option></arg>
109
 
      <sbr/>
110
 
      <arg><option>--no-zeroconf</option></arg>
111
96
    </cmdsynopsis>
112
97
    <cmdsynopsis>
113
98
      <command>&COMMANDNAME;</command>
131
116
    <para>
132
117
      <command>&COMMANDNAME;</command> is a server daemon which
133
118
      handles incoming request for passwords for a pre-defined list of
134
 
      client host computers. For an introduction, see
135
 
      <citerefentry><refentrytitle>intro</refentrytitle>
136
 
      <manvolnum>8mandos</manvolnum></citerefentry>. The Mandos server
137
 
      uses Zeroconf to announce itself on the local network, and uses
138
 
      TLS to communicate securely with and to authenticate the
139
 
      clients.  The Mandos server uses IPv6 to allow Mandos clients to
140
 
      use IPv6 link-local addresses, since the clients will probably
141
 
      not have any other addresses configured (see <xref
142
 
      linkend="overview"/>).  Any authenticated client is then given
143
 
      the stored pre-encrypted password for that specific client.
 
119
      client host computers.  The Mandos server uses Zeroconf to
 
120
      announce itself on the local network, and uses TLS to
 
121
      communicate securely with and to authenticate the clients.  The
 
122
      Mandos server uses IPv6 to allow Mandos clients to use IPv6
 
123
      link-local addresses, since the clients will probably not have
 
124
      any other addresses configured (see <xref linkend="overview"/>).
 
125
      Any authenticated client is then given the stored pre-encrypted
 
126
      password for that specific client.
144
127
    </para>
145
128
  </refsect1>
146
129
  
236
219
        <term><option>--priority <replaceable>
237
220
        PRIORITY</replaceable></option></term>
238
221
        <listitem>
239
 
          <xi:include href="mandos-options.xml"
240
 
                      xpointer="priority_compat"/>
 
222
          <xi:include href="mandos-options.xml" xpointer="priority"/>
241
223
        </listitem>
242
224
      </varlistentry>
243
225
      
290
272
          <xi:include href="mandos-options.xml" xpointer="ipv6"/>
291
273
        </listitem>
292
274
      </varlistentry>
293
 
      
294
 
      <varlistentry>
295
 
        <term><option>--no-restore</option></term>
296
 
        <listitem>
297
 
          <xi:include href="mandos-options.xml" xpointer="restore"/>
298
 
          <para>
299
 
            See also <xref linkend="persistent_state"/>.
300
 
          </para>
301
 
        </listitem>
302
 
      </varlistentry>
303
 
      
304
 
      <varlistentry>
305
 
        <term><option>--statedir
306
 
        <replaceable>DIRECTORY</replaceable></option></term>
307
 
        <listitem>
308
 
          <xi:include href="mandos-options.xml" xpointer="statedir"/>
309
 
        </listitem>
310
 
      </varlistentry>
311
 
      
312
 
      <varlistentry>
313
 
        <term><option>--socket
314
 
        <replaceable>FD</replaceable></option></term>
315
 
        <listitem>
316
 
          <xi:include href="mandos-options.xml" xpointer="socket"/>
317
 
        </listitem>
318
 
      </varlistentry>
319
 
      
320
 
      <varlistentry>
321
 
        <term><option>--foreground</option></term>
322
 
        <listitem>
323
 
          <xi:include href="mandos-options.xml"
324
 
                      xpointer="foreground"/>
325
 
        </listitem>
326
 
      </varlistentry>
327
 
      
328
 
      <varlistentry>
329
 
        <term><option>--no-zeroconf</option></term>
330
 
        <listitem>
331
 
          <xi:include href="mandos-options.xml" xpointer="zeroconf"/>
332
 
        </listitem>
333
 
      </varlistentry>
334
 
      
335
275
    </variablelist>
336
276
  </refsect1>
337
277
  
411
351
      for some time, the client is assumed to be compromised and is no
412
352
      longer eligible to receive the encrypted password.  (Manual
413
353
      intervention is required to re-enable a client.)  The timeout,
414
 
      extended timeout, checker program, and interval between checks
415
 
      can be configured both globally and per client; see
416
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
417
 
      <manvolnum>5</manvolnum></citerefentry>.
 
354
      checker program, and interval between checks can be configured
 
355
      both globally and per client; see <citerefentry>
 
356
      <refentrytitle>mandos-clients.conf</refentrytitle>
 
357
      <manvolnum>5</manvolnum></citerefentry>.  A client successfully
 
358
      receiving its password will also be treated as a successful
 
359
      checker run.
418
360
    </para>
419
361
  </refsect1>
420
362
  
442
384
    <title>LOGGING</title>
443
385
    <para>
444
386
      The server will send log message with various severity levels to
445
 
      <filename class="devicefile">/dev/log</filename>.  With the
 
387
      <filename>/dev/log</filename>.  With the
446
388
      <option>--debug</option> option, it will log even more messages,
447
389
      and also show them on the console.
448
390
    </para>
449
391
  </refsect1>
450
392
  
451
 
  <refsect1 id="persistent_state">
452
 
    <title>PERSISTENT STATE</title>
453
 
    <para>
454
 
      Client settings, initially read from
455
 
      <filename>clients.conf</filename>, are persistent across
456
 
      restarts, and run-time changes will override settings in
457
 
      <filename>clients.conf</filename>.  However, if a setting is
458
 
      <emphasis>changed</emphasis> (or a client added, or removed) in
459
 
      <filename>clients.conf</filename>, this will take precedence.
460
 
    </para>
461
 
  </refsect1>
462
 
  
463
393
  <refsect1 id="dbus_interface">
464
394
    <title>D-BUS INTERFACE</title>
465
395
    <para>
527
457
        </listitem>
528
458
      </varlistentry>
529
459
      <varlistentry>
530
 
        <term><filename>/run/mandos.pid</filename></term>
 
460
        <term><filename>/var/run/mandos.pid</filename></term>
531
461
        <listitem>
532
462
          <para>
533
463
            The file containing the process id of the
534
464
            <command>&COMMANDNAME;</command> process started last.
535
 
            <emphasis >Note:</emphasis> If the <filename
536
 
            class="directory">/run</filename> directory does not
537
 
            exist, <filename>/var/run/mandos.pid</filename> will be
538
 
            used instead.
539
 
          </para>
540
 
        </listitem>
541
 
      </varlistentry>
542
 
      <varlistentry>
543
 
        <term><filename class="devicefile">/dev/log</filename></term>
544
 
      </varlistentry>
545
 
      <varlistentry>
546
 
        <term><filename
547
 
        class="directory">/var/lib/mandos</filename></term>
548
 
        <listitem>
549
 
          <para>
550
 
            Directory where persistent state will be saved.  Change
551
 
            this with the <option>--statedir</option> option.  See
552
 
            also the <option>--no-restore</option> option.
553
465
          </para>
554
466
        </listitem>
555
467
      </varlistentry>
583
495
      backtrace.  This could be considered a feature.
584
496
    </para>
585
497
    <para>
 
498
      Currently, if a client is disabled due to having timed out, the
 
499
      server does not record this fact onto permanent storage.  This
 
500
      has some security implications, see <xref linkend="clients"/>.
 
501
    </para>
 
502
    <para>
586
503
      There is no fine-grained control over logging and debug output.
587
504
    </para>
588
505
    <para>
 
506
      Debug mode is conflated with running in the foreground.
 
507
    </para>
 
508
    <para>
 
509
      The console log messages do not show a time stamp.
 
510
    </para>
 
511
    <para>
589
512
      This server does not check the expire time of clients’ OpenPGP
590
513
      keys.
591
514
    </para>
604
527
    <informalexample>
605
528
      <para>
606
529
        Run the server in debug mode, read configuration files from
607
 
        the <filename class="directory">~/mandos</filename> directory,
608
 
        and use the Zeroconf service name <quote>Test</quote> to not
609
 
        collide with any other official Mandos server on this host:
 
530
        the <filename>~/mandos</filename> directory, and use the
 
531
        Zeroconf service name <quote>Test</quote> to not collide with
 
532
        any other official Mandos server on this host:
610
533
      </para>
611
534
      <para>
612
535
 
661
584
        compromised if they are gone for too long.
662
585
      </para>
663
586
      <para>
 
587
        If a client is compromised, its downtime should be duly noted
 
588
        by the server which would therefore disable the client.  But
 
589
        if the server was ever restarted, it would re-read its client
 
590
        list from its configuration file and again regard all clients
 
591
        therein as enabled, and hence eligible to receive their
 
592
        passwords.  Therefore, be careful when restarting servers if
 
593
        it is suspected that a client has, in fact, been compromised
 
594
        by parties who may now be running a fake Mandos client with
 
595
        the keys from the non-encrypted initial <acronym>RAM</acronym>
 
596
        image of the client host.  What should be done in that case
 
597
        (if restarting the server program really is necessary) is to
 
598
        stop the server program, edit the configuration file to omit
 
599
        any suspect clients, and restart the server program.
 
600
      </para>
 
601
      <para>
664
602
        For more details on client-side security, see
665
603
        <citerefentry><refentrytitle>mandos-client</refentrytitle>
666
604
        <manvolnum>8mandos</manvolnum></citerefentry>.
671
609
  <refsect1 id="see_also">
672
610
    <title>SEE ALSO</title>
673
611
    <para>
674
 
      <citerefentry><refentrytitle>intro</refentrytitle>
675
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
676
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
677
 
      <manvolnum>5</manvolnum></citerefentry>,
678
 
      <citerefentry><refentrytitle>mandos.conf</refentrytitle>
679
 
      <manvolnum>5</manvolnum></citerefentry>,
680
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
681
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
682
 
      <citerefentry><refentrytitle>sh</refentrytitle>
683
 
      <manvolnum>1</manvolnum></citerefentry>
 
612
      <citerefentry>
 
613
        <refentrytitle>mandos-clients.conf</refentrytitle>
 
614
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
 
615
        <refentrytitle>mandos.conf</refentrytitle>
 
616
        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
 
617
        <refentrytitle>mandos-client</refentrytitle>
 
618
        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
 
619
        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
 
620
      </citerefentry>
684
621
    </para>
685
622
    <variablelist>
686
623
      <varlistentry>
707
644
      </varlistentry>
708
645
      <varlistentry>
709
646
        <term>
710
 
          <ulink url="http://gnutls.org/">GnuTLS</ulink>
 
647
          <ulink url="http://www.gnu.org/software/gnutls/"
 
648
          >GnuTLS</ulink>
711
649
        </term>
712
650
      <listitem>
713
651
        <para>
751
689
      </varlistentry>
752
690
      <varlistentry>
753
691
        <term>
754
 
          RFC 5246: <citetitle>The Transport Layer Security (TLS)
755
 
          Protocol Version 1.2</citetitle>
 
692
          RFC 4346: <citetitle>The Transport Layer Security (TLS)
 
693
          Protocol Version 1.1</citetitle>
756
694
        </term>
757
695
      <listitem>
758
696
        <para>
759
 
          TLS 1.2 is the protocol implemented by GnuTLS.
 
697
          TLS 1.1 is the protocol implemented by GnuTLS.
760
698
        </para>
761
699
      </listitem>
762
700
      </varlistentry>
772
710
      </varlistentry>
773
711
      <varlistentry>
774
712
        <term>
775
 
          RFC 6091: <citetitle>Using OpenPGP Keys for Transport Layer
776
 
          Security (TLS) Authentication</citetitle>
 
713
          RFC 5081: <citetitle>Using OpenPGP Keys for Transport Layer
 
714
          Security</citetitle>
777
715
        </term>
778
716
      <listitem>
779
717
        <para>