/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 intro.xml

  • Committer: Teddy Hogeborn
  • Date: 2018-04-01 19:27:30 UTC
  • Revision ID: teddy@recompile.se-20180401192730-jwr4io5cb3x5u268
Don't print NULL string pointers in error message output

* plugins.d/mandos-client.c (pgp_packet_decrypt): If decryption fails,
  don't print unsupported_algorithm if it is NULL.

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
1
<?xml version="1.0" encoding="UTF-8"?>
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
 
<!ENTITY TIMESTAMP "2011-08-08">
 
4
<!ENTITY TIMESTAMP "2018-02-08">
5
5
<!ENTITY % common SYSTEM "common.ent">
6
6
%common;
7
7
]>
18
18
        <firstname>Björn</firstname>
19
19
        <surname>Påhlsson</surname>
20
20
        <address>
21
 
          <email>belorn@fukt.bsnet.se</email>
 
21
          <email>belorn@recompile.se</email>
22
22
        </address>
23
23
      </author>
24
24
      <author>
25
25
        <firstname>Teddy</firstname>
26
26
        <surname>Hogeborn</surname>
27
27
        <address>
28
 
          <email>teddy@fukt.bsnet.se</email>
 
28
          <email>teddy@recompile.se</email>
29
29
        </address>
30
30
      </author>
31
31
    </authorgroup>
32
32
    <copyright>
33
33
      <year>2011</year>
 
34
      <year>2012</year>
 
35
      <year>2013</year>
 
36
      <year>2014</year>
 
37
      <year>2015</year>
 
38
      <year>2016</year>
 
39
      <year>2017</year>
 
40
      <year>2018</year>
34
41
      <holder>Teddy Hogeborn</holder>
35
42
      <holder>Björn Påhlsson</holder>
36
43
    </copyright>
72
79
  <refsect1 id="introduction">
73
80
    <title>INTRODUCTION</title>
74
81
    <para>
 
82
      <!-- This paragraph is a combination and paraphrase of two
 
83
           quotes from the 1995 movie “The Usual Suspects”. -->
75
84
      You know how it is.  You’ve heard of it happening.  The Man
76
85
      comes and takes away your servers, your friends’ servers, the
77
86
      servers of everybody in the same hosting facility. The servers
196
205
      </para>
197
206
    </refsect2>
198
207
    
 
208
    <refsect2 id="sniff">
 
209
      <title>How about sniffing the network traffic and decrypting it
 
210
      later by physically grabbing the Mandos client and using its
 
211
      key?</title>
 
212
      <para>
 
213
        We only use <acronym>PFS</acronym> (Perfect Forward Security)
 
214
        key exchange algorithms in TLS, which protects against this.
 
215
      </para>
 
216
    </refsect2>
 
217
    
199
218
    <refsect2 id="physgrab">
200
219
      <title>Physically grabbing the Mandos server computer?</title>
201
220
      <para>
214
233
      </para>
215
234
    </refsect2>
216
235
    
217
 
    <refsect2 id="fakeping">
218
 
      <title>Faking ping replies?</title>
 
236
    <refsect2 id="fakecheck">
 
237
      <title>Faking checker results?</title>
219
238
      <para>
220
 
        The default for the server is to use
 
239
        If the Mandos client does not have an SSH server, the default
 
240
        is for the Mandos server to use
221
241
        <quote><literal>fping</literal></quote>, the replies to which
222
242
        could be faked to eliminate the timeout.  But this could
223
243
        easily be changed to any shell command, with any security
224
 
        measures you like.  It could, for instance, be changed to an
225
 
        SSH command with strict keychecking, which could not be faked.
226
 
        Or IPsec could be used for the ping packets, making them
227
 
        secure.
 
244
        measures you like.  If the Mandos client
 
245
        <emphasis>has</emphasis> an SSH server, the default
 
246
        configuration (as generated by
 
247
        <command>mandos-keygen</command> with the
 
248
        <option>--password</option> option) is for the Mandos server
 
249
        to use an <command>ssh-keyscan</command> command with strict
 
250
        keychecking, which can not be faked.  Alternatively, IPsec
 
251
        could be used for the ping packets, making them secure.
228
252
      </para>
229
253
    </refsect2>
230
254
  </refsect1>
359
383
    </para>
360
384
  </refsect1>
361
385
  
 
386
  <refsect1 id="bugs">
 
387
    <title>BUGS</title>
 
388
    <xi:include href="bugs.xml"/>
 
389
  </refsect1>
 
390
  
362
391
  <refsect1 id="see_also">
363
392
    <title>SEE ALSO</title>
364
393
    <para>
392
421
    <variablelist>
393
422
      <varlistentry>
394
423
        <term>
395
 
          <ulink url="http://www.fukt.bsnet.se/mandos">Mandos</ulink>
 
424
          <ulink url="https://www.recompile.se/mandos">Mandos</ulink>
396
425
        </term>
397
426
        <listitem>
398
427
          <para>