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  • Committer: Teddy Hogeborn
  • Date: 2024-11-24 00:44:25 UTC
  • Revision ID: teddy@recompile.se-20241124004425-6k3y0ir1ksyjq3c4
mandos-keygen: Show warning about old OpenSSH versions

When generating a config file snippet on the Mandos client system
using mandos-keygen, and the default ssh-keyscan checker is used, and
if the OpenSSH version is 9.8 or later, the "checker" command
generated for the config file on the Mandos server will include the
"-q" option for ssh-keyscan.  This option did not exist on ssh-keyscan
from OpenSSH older than version 9.8.  Therefore, if the Mandos
*server* is running an older version of OpenSSH, where ssh-keyscan
does not support the "-q" option, this option must be removed from the
generated "checker" setting.  Since we cannot know if this is the case
when running mandos-keygen on the Mandos client system, we print this
information as a comment above the generated "checker" setting.

* mandos-keygen: Show warning if the new "-q" options was used with
  ssh-keyscan in the generated "checker" setting.

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added added

removed removed

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mandos.conf.xml
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<?xml version='1.0' encoding='UTF-8'?>
 
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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 CONFNAME "mandos.conf">
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<!ENTITY CONFPATH "<filename>/etc/mandos/mandos.conf</filename>">
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<!ENTITY OVERVIEW SYSTEM "overview.xml">
 
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<!ENTITY TIMESTAMP "2023-04-30">
 
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<!ENTITY % common SYSTEM "common.ent">
 
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%common;
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]>
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<refentry>
 
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<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
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  <refentryinfo>
12
 
    <title>&CONFNAME;</title>
 
13
    <title>Mandos Manual</title>
13
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    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
14
 
    <productname>&CONFNAME;</productname>
15
 
    <productnumber>&VERSION;</productnumber>
 
15
    <productname>Mandos</productname>
 
16
    <productnumber>&version;</productnumber>
 
17
    <date>&TIMESTAMP;</date>
16
18
    <authorgroup>
17
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      <author>
18
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        <firstname>Björn</firstname>
19
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        <surname>Påhlsson</surname>
20
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        <address>
21
 
          <email>belorn@fukt.bsnet.se</email>
 
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          <email>belorn@recompile.se</email>
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        </address>
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      </author>
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      <author>
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        <firstname>Teddy</firstname>
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        <surname>Hogeborn</surname>
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        <address>
28
 
          <email>teddy@fukt.bsnet.se</email>
 
30
          <email>teddy@recompile.se</email>
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        </address>
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      </author>
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    </authorgroup>
32
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    <copyright>
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      <year>2008</year>
 
36
      <year>2009</year>
 
37
      <year>2010</year>
 
38
      <year>2011</year>
 
39
      <year>2012</year>
 
40
      <year>2013</year>
 
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      <year>2014</year>
 
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      <year>2015</year>
 
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      <year>2016</year>
 
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      <year>2017</year>
 
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      <year>2018</year>
 
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      <year>2019</year>
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      <holder>Teddy Hogeborn</holder>
35
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      <holder>Björn Påhlsson</holder>
36
49
    </copyright>
37
 
    <legalnotice>
38
 
      <para>
39
 
        This manual page is free software: you can redistribute it
40
 
        and/or modify it under the terms of the GNU General Public
41
 
        License as published by the Free Software Foundation,
42
 
        either version 3 of the License, or (at your option) any
43
 
        later version.
44
 
      </para>
45
 
 
46
 
      <para>
47
 
        This manual page is distributed in the hope that it will
48
 
        be useful, but WITHOUT ANY WARRANTY; without even the
49
 
        implied warranty of MERCHANTABILITY or FITNESS FOR A
50
 
        PARTICULAR PURPOSE.  See the GNU General Public License
51
 
        for more details.
52
 
      </para>
53
 
 
54
 
      <para>
55
 
        You should have received a copy of the GNU General Public
56
 
        License along with this program; If not, see
57
 
        <ulink url="http://www.gnu.org/licenses/"/>.
58
 
      </para>
59
 
    </legalnotice>
 
50
    <xi:include href="legalnotice.xml"/>
60
51
  </refentryinfo>
61
 
 
 
52
  
62
53
  <refmeta>
63
54
    <refentrytitle>&CONFNAME;</refentrytitle>
64
55
    <manvolnum>5</manvolnum>
70
61
      Configuration file for the Mandos server
71
62
    </refpurpose>
72
63
  </refnamediv>
73
 
 
 
64
  
74
65
  <refsynopsisdiv>
75
 
    <synopsis>
76
 
      &CONFPATH;
77
 
    </synopsis>
 
66
    <synopsis>&CONFPATH;</synopsis>
78
67
  </refsynopsisdiv>
79
 
 
 
68
  
80
69
  <refsect1 id="description">
81
70
    <title>DESCRIPTION</title>
82
71
    <para>
83
 
      The file &CONFPATH; is a simple configuration file for
 
72
      The file &CONFPATH; is a configuration file for
84
73
      <citerefentry><refentrytitle>mandos</refentrytitle>
85
74
      <manvolnum>8</manvolnum></citerefentry>, and is read by it at
86
 
      startup.  The configuration file starts with
87
 
      <quote><literal>[DEFAULT]</literal></quote> on a line by itself,
88
 
      followed by any number of
89
 
      <quote><varname><replaceable>option</replaceable></varname>=<replaceable>value</replaceable></quote>
90
 
      entries, with continuations in the style of RFC 822.
91
 
      <quote><varname><replaceable>option</replaceable></varname>:
92
 
      <replaceable>value</replaceable></quote> is also accepted.  Note
93
 
      that leading whitespace is removed from values.  Lines beginning
94
 
      with <quote>#</quote> or <quote>;</quote> are ignored and may be
95
 
      used to provide comments.
96
 
    </para>
97
 
 
98
 
    <para>
99
 
      The options are:
100
 
    </para>
101
 
 
 
75
      startup.  The configuration file starts with <quote><literal
 
76
      >[DEFAULT]</literal></quote> on a line by itself, followed by
 
77
      any number of <quote><varname><replaceable>option</replaceable
 
78
      ></varname>=<replaceable>value</replaceable></quote> entries,
 
79
      with continuations in the style of RFC 822.  <quote><varname
 
80
      ><replaceable>option</replaceable></varname>: <replaceable
 
81
      >value</replaceable></quote> is also accepted.  Note that
 
82
      leading whitespace is removed from values.  Lines beginning with
 
83
      <quote>#</quote> or <quote>;</quote> are ignored and may be used
 
84
      to provide comments.
 
85
    </para>
 
86
    
 
87
  </refsect1>
 
88
  <refsect1>
 
89
    <title>OPTIONS</title>
 
90
    
102
91
    <variablelist>
103
92
      <varlistentry>
104
 
        <term><literal><varname>interface</varname></literal></term>
105
 
        <listitem>
106
 
          <para>
107
 
            This option allows you to override the default network
108
 
            interfaces. By default mandos will not bind to any
109
 
            specific interface but instead use default avahi-server
110
 
            behaviour.
111
 
          </para>
112
 
        </listitem>
113
 
      </varlistentry>
114
 
 
115
 
      <varlistentry>
116
 
        <term><literal><varname>address</varname></literal></term>
117
 
        <listitem>
118
 
          <para>
119
 
            This option allows you to override the default network
120
 
            address. By default mandos will not bind to any
121
 
            specific address but instead use default avahi-server
122
 
            behaviour.
123
 
          </para>
124
 
        </listitem>
125
 
      </varlistentry>      
126
 
 
127
 
      <varlistentry>
128
 
        <term><literal><varname>port</varname></literal></term>
129
 
        <listitem>
130
 
          <para>
131
 
            This option allows you to override the default port to
132
 
            listen on. By default mandos will not specify any specific
133
 
            port and instead use a random port given by the OS from
134
 
            the use of INADDR_ANY.
135
 
          </para>
136
 
        </listitem>
137
 
      </varlistentry>
138
 
 
139
 
      <varlistentry>
140
 
        <term><literal><varname>debug</varname></literal></term>
141
 
        <listitem>
142
 
          <para>
143
 
            This option allows you to modify debug mode with a true/false
144
 
            boolean value. By default is debug set to <literal>false</literal>.
145
 
          </para>
146
 
        </listitem>
147
 
      </varlistentry>      
148
 
 
149
 
      <varlistentry>
150
 
        <term><literal><varname>priority</varname></literal></term>
151
 
        <listitem>
152
 
          <para>
153
 
            This option allows you to override the default gnutls
154
 
            priority that will be used in gnutls session. See
155
 
            <citerefentry><refentrytitle>gnutls_priority_init
156
 
            </refentrytitle><manvolnum>3</manvolnum></citerefentry>for
157
 
            more information on gnutls priority strings.
158
 
          </para>         
159
 
        </listitem>
160
 
      </varlistentry>
161
 
 
162
 
      <varlistentry>
163
 
        <term><literal><varname>servicename</varname></literal></term>
164
 
        <listitem>
165
 
          <para>
166
 
            This option allows you to override the default Zeroconf
167
 
            service name use to announce mandos as a avahi service. By
168
 
            default mandos will use "Mandos".
169
 
          </para>
 
93
        <term><option>interface<literal> = </literal><replaceable
 
94
        >NAME</replaceable></option></term>
 
95
        <listitem>
 
96
          <xi:include href="mandos-options.xml" xpointer="interface"/>
 
97
        </listitem>
 
98
      </varlistentry>
 
99
      
 
100
      <varlistentry>
 
101
        <term><option>address<literal> = </literal><replaceable
 
102
          >ADDRESS</replaceable></option></term>
 
103
        <listitem>
 
104
          <xi:include href="mandos-options.xml" xpointer="address"/>
 
105
        </listitem>
 
106
      </varlistentry>
 
107
      
 
108
      <varlistentry>
 
109
        <term><option>port<literal> = </literal><replaceable
 
110
        >NUMBER</replaceable></option></term>
 
111
        <listitem>
 
112
          <xi:include href="mandos-options.xml" xpointer="port"/>
 
113
        </listitem>
 
114
      </varlistentry>
 
115
      
 
116
      <varlistentry>
 
117
        <term><option>debug<literal> = </literal>{ <literal
 
118
          >1</literal> | <literal>yes</literal> | <literal
 
119
          >true</literal> | <literal>on</literal> | <literal
 
120
          >0</literal> | <literal>no</literal> | <literal
 
121
          >false</literal> | <literal>off</literal> }</option></term>
 
122
        <listitem>
 
123
          <xi:include href="mandos-options.xml" xpointer="debug"/>
 
124
        </listitem>
 
125
      </varlistentry>
 
126
      
 
127
      <varlistentry>
 
128
        <term><option>priority<literal> = </literal><replaceable
 
129
        >STRING</replaceable></option></term>
 
130
        <listitem>
 
131
          <xi:include href="mandos-options.xml" xpointer="priority"/>
 
132
        </listitem>
 
133
      </varlistentry>
 
134
      
 
135
      <varlistentry>
 
136
        <term><option>servicename<literal> = </literal
 
137
        ><replaceable>NAME</replaceable></option></term>
 
138
        <listitem>
 
139
          <xi:include href="mandos-options.xml"
 
140
                      xpointer="servicename"/>
 
141
        </listitem>
 
142
      </varlistentry>
 
143
      
 
144
      <varlistentry>
 
145
        <term><option>use_dbus<literal> = </literal>{ <literal
 
146
          >1</literal> | <literal>yes</literal> | <literal
 
147
          >true</literal> | <literal>on</literal> | <literal
 
148
          >0</literal> | <literal>no</literal> | <literal
 
149
          >false</literal> | <literal>off</literal> }</option></term>
 
150
        <listitem>
 
151
          <xi:include href="mandos-options.xml" xpointer="dbus"/>
 
152
        </listitem>
 
153
      </varlistentry>
 
154
      
 
155
      <varlistentry>
 
156
        <term><option>use_ipv6<literal> = </literal>{ <literal
 
157
          >1</literal> | <literal>yes</literal> | <literal
 
158
          >true</literal> | <literal>on</literal> | <literal
 
159
          >0</literal> | <literal>no</literal> | <literal
 
160
          >false</literal> | <literal>off</literal> }</option></term>
 
161
        <listitem>
 
162
          <xi:include href="mandos-options.xml" xpointer="ipv6"/>
 
163
        </listitem>
 
164
      </varlistentry>
 
165
      
 
166
      <varlistentry>
 
167
        <term><option>restore<literal> = </literal>{ <literal
 
168
          >1</literal> | <literal>yes</literal> | <literal
 
169
          >true</literal> | <literal>on</literal> | <literal
 
170
          >0</literal> | <literal>no</literal> | <literal
 
171
          >false</literal> | <literal>off</literal> }</option></term>
 
172
        <listitem>
 
173
          <xi:include href="mandos-options.xml" xpointer="restore"/>
 
174
        </listitem>
 
175
      </varlistentry>
 
176
      
 
177
      <varlistentry>
 
178
        <term><option>statedir<literal> = </literal><replaceable
 
179
        >DIRECTORY</replaceable></option></term>
 
180
        <listitem>
 
181
          <xi:include href="mandos-options.xml" xpointer="statedir"/>
 
182
        </listitem>
 
183
      </varlistentry>
 
184
      
 
185
      <varlistentry>
 
186
        <term><option>socket<literal> = </literal><replaceable
 
187
        >NUMBER</replaceable></option></term>
 
188
        <listitem>
 
189
          <xi:include href="mandos-options.xml" xpointer="socket"/>
170
190
        </listitem>
171
191
      </varlistentry>
172
192
      
173
193
    </variablelist>
174
194
  </refsect1>
175
 
 
176
 
  <refsect1 id="examples">
177
 
    <title>EXAMPLES</title>
178
 
    <informalexample>
179
 
      <programlisting>
180
 
        [server]
181
 
        # A configuration example
182
 
        interface = eth0 
183
 
        address = 2001:DB8:
184
 
        port = 1025 
185
 
        debug = true 
186
 
        priority = SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP
187
 
        servicename = Mandos
188
 
      </programlisting>
189
 
    </informalexample>
190
 
  </refsect1>  
191
195
  
192
196
  <refsect1 id="files">
193
197
    <title>FILES</title>
195
199
      The file described here is &CONFPATH;
196
200
    </para>
197
201
  </refsect1>
 
202
  
 
203
  <refsect1 id="bugs">
 
204
    <title>BUGS</title>
 
205
    <para>
 
206
      The <literal>[DEFAULT]</literal> is necessary because the Python
 
207
      built-in module <systemitem class="library">ConfigParser</systemitem>
 
208
      requires it.
 
209
    </para>
 
210
    <xi:include href="bugs.xml"/>
 
211
  </refsect1>
 
212
  
 
213
  <refsect1 id="example">
 
214
    <title>EXAMPLE</title>
 
215
    <informalexample>
 
216
      <para>
 
217
        No options are actually required:
 
218
      </para>
 
219
      <programlisting>
 
220
[DEFAULT]
 
221
      </programlisting>
 
222
    </informalexample>
 
223
    <informalexample>
 
224
      <para>
 
225
        An example using all the options:
 
226
      </para>
 
227
      <programlisting>
 
228
[DEFAULT]
 
229
# A configuration example
 
230
interface = enp1s0
 
231
address = fe80::aede:48ff:fe71:f6f2
 
232
port = 1025
 
233
debug = True
 
234
priority = SECURE128:!CTYPE-X.509:+CTYPE-RAWPK:!RSA:!VERS-ALL:+VERS-TLS1.3:%PROFILE_ULTRA
 
235
servicename = Daena
 
236
use_dbus = False
 
237
use_ipv6 = True
 
238
restore = True
 
239
statedir = /var/lib/mandos
 
240
      </programlisting>
 
241
    </informalexample>
 
242
  </refsect1>
 
243
  
 
244
  <refsect1 id="see_also">
 
245
    <title>SEE ALSO</title>
 
246
    <para>
 
247
      <citerefentry><refentrytitle>intro</refentrytitle>
 
248
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
249
      <citerefentry><refentrytitle>gnutls_priority_init</refentrytitle
 
250
      ><manvolnum>3</manvolnum></citerefentry>,
 
251
      <citerefentry><refentrytitle>mandos</refentrytitle>
 
252
      <manvolnum>8</manvolnum></citerefentry>,
 
253
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
254
      <manvolnum>5</manvolnum></citerefentry>
 
255
    </para>
 
256
    
 
257
    <variablelist>
 
258
      <varlistentry>
 
259
        <term>
 
260
          RFC 4291: <citetitle>IP Version 6 Addressing
 
261
          Architecture</citetitle>
 
262
        </term>
 
263
        <listitem>
 
264
          <variablelist>
 
265
            <varlistentry>
 
266
              <term>Section 2.2: <citetitle>Text Representation of
 
267
              Addresses</citetitle></term>
 
268
              <listitem><para/></listitem>
 
269
            </varlistentry>
 
270
            <varlistentry>
 
271
              <term>Section 2.5.5.2: <citetitle>IPv4-Mapped IPv6
 
272
              Address</citetitle></term>
 
273
              <listitem><para/></listitem>
 
274
            </varlistentry>
 
275
            <varlistentry>
 
276
            <term>Section 2.5.6, <citetitle>Link-Local IPv6 Unicast
 
277
            Addresses</citetitle></term>
 
278
            <listitem>
 
279
              <para>
 
280
                The clients use IPv6 link-local addresses, which are
 
281
                immediately usable since a link-local addresses is
 
282
                automatically assigned to a network interface when it
 
283
                is brought up.
 
284
              </para>
 
285
            </listitem>
 
286
            </varlistentry>
 
287
          </variablelist>
 
288
        </listitem>
 
289
      </varlistentry>
 
290
      <varlistentry>
 
291
        <term>
 
292
          <ulink url="http://www.zeroconf.org/">Zeroconf</ulink>
 
293
        </term>
 
294
        <listitem>
 
295
          <para>
 
296
            Zeroconf is the network protocol standard used by clients
 
297
            for finding the Mandos server on the local network.
 
298
          </para>
 
299
        </listitem>
 
300
      </varlistentry>
 
301
    </variablelist>
 
302
  </refsect1>
198
303
</refentry>
 
304
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