/mandos/release

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

« back to all changes in this revision

Viewing changes to intro.xml

  • Committer: Teddy Hogeborn
  • Date: 2015-07-09 08:20:24 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 325.
  • Revision ID: teddy@recompile.se-20150709082024-eitu9mav45lefl75
mandos-client: Add --dh-params FILE option.

* plugins.d/mandos-client.c: Added --dh-params FILE option.
  (init_gnutls_global): New "dhparamsfilename" argument.  All callers
                        changed.  Read and use Diffie-Hellman
                        parameters from it.  Bug fix:  check for error
                        when opening seckeyfile for the second time.
  (init_gnutls_session): Remove unnecessary call to
                         gnutls_dh_set_prime_bits();
  (main): New variable "dh_params_file".
  (main/argp_options): Added "--dh-params" option.
  (main/parse_opt): - '' -
* plugins.d/mandos-client.xml (SYNOPSIS): Add --dh-params option.
  (OPTIONS): Document --dh-params option and document that the
             --dh-bits options is potentially overridden by the
             --dh-params option.

Show diffs side-by-side

added added

removed removed

Lines of Context:
intro.xml
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 "2011-10-03">
 
4
<!ENTITY TIMESTAMP "2015-03-08">
5
5
<!ENTITY % common SYSTEM "common.ent">
6
6
%common;
7
7
]>
31
31
    </authorgroup>
32
32
    <copyright>
33
33
      <year>2011</year>
 
34
      <year>2012</year>
34
35
      <holder>Teddy Hogeborn</holder>
35
36
      <holder>Björn Påhlsson</holder>
36
37
    </copyright>
196
197
      </para>
197
198
    </refsect2>
198
199
    
 
200
    <refsect2 id="sniff">
 
201
      <title>How about sniffing the network traffic and decrypting it
 
202
      later by physically grabbing the Mandos client and using its
 
203
      key?</title>
 
204
      <para>
 
205
        We only use <acronym>PFS</acronym> (Perfect Forward Security)
 
206
        key exchange algorithms in TLS, which protects against this.
 
207
      </para>
 
208
    </refsect2>
 
209
    
199
210
    <refsect2 id="physgrab">
200
211
      <title>Physically grabbing the Mandos server computer?</title>
201
212
      <para>
214
225
      </para>
215
226
    </refsect2>
216
227
    
217
 
    <refsect2 id="fakeping">
218
 
      <title>Faking ping replies?</title>
 
228
    <refsect2 id="fakecheck">
 
229
      <title>Faking checker results?</title>
219
230
      <para>
220
 
        The default for the server is to use
 
231
        If the Mandos client does not have an SSH server, the default
 
232
        is for the Mandos server to use
221
233
        <quote><literal>fping</literal></quote>, the replies to which
222
234
        could be faked to eliminate the timeout.  But this could
223
235
        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.
 
236
        measures you like.  If the Mandos client
 
237
        <emphasis>has</emphasis> an SSH server, the default
 
238
        configuration (as generated by
 
239
        <command>mandos-keygen</command> with the
 
240
        <option>--password</option> option) is for the Mandos server
 
241
        to use an <command>ssh-keyscan</command> command with strict
 
242
        keychecking, which can not be faked.  Alternatively, IPsec
 
243
        could be used for the ping packets, making them secure.
228
244
      </para>
229
245
    </refsect2>
230
246
  </refsect1>