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 "2009-01-04">
5
<!ENTITY TIMESTAMP "2010-09-26">
6
6
<!ENTITY % common SYSTEM "common.ent">
85
86
<replaceable>DIRECTORY</replaceable></option></arg>
87
88
<arg><option>--debug</option></arg>
90
<arg><option>--debuglevel
91
<replaceable>LEVEL</replaceable></option></arg>
93
<arg><option>--no-dbus</option></arg>
95
<arg><option>--no-ipv6</option></arg>
90
98
<command>&COMMANDNAME;</command>
201
<term><option>--debuglevel
202
<replaceable>LEVEL</replaceable></option></term>
205
Set the debugging log level.
206
<replaceable>LEVEL</replaceable> is a string, one of
207
<quote><literal>CRITICAL</literal></quote>,
208
<quote><literal>ERROR</literal></quote>,
209
<quote><literal>WARNING</literal></quote>,
210
<quote><literal>INFO</literal></quote>, or
211
<quote><literal>DEBUG</literal></quote>, in order of
212
increasing verbosity. The default level is
213
<quote><literal>WARNING</literal></quote>.
193
219
<term><option>--priority <replaceable>
194
220
PRIORITY</replaceable></option></term>
260
<term><option>--no-dbus</option></term>
262
<xi:include href="mandos-options.xml" xpointer="dbus"/>
264
See also <xref linkend="dbus_interface"/>.
270
<term><option>--no-ipv6</option></term>
272
<xi:include href="mandos-options.xml" xpointer="ipv6"/>
306
349
The server will, by default, continually check that the clients
307
350
are still up. If a client has not been confirmed as being up
308
351
for some time, the client is assumed to be compromised and is no
309
longer eligible to receive the encrypted password. The timeout,
352
longer eligible to receive the encrypted password. (Manual
353
intervention is required to re-enable a client.) The timeout,
310
354
checker program, and interval between checks can be configured
311
355
both globally and per client; see <citerefentry>
312
356
<refentrytitle>mandos-clients.conf</refentrytitle>
313
<manvolnum>5</manvolnum></citerefentry>.
357
<manvolnum>5</manvolnum></citerefentry>. A client successfully
358
receiving its password will also be treated as a successful
363
<refsect1 id="approval">
364
<title>APPROVAL</title>
366
The server can be configured to require manual approval for a
367
client before it is sent its secret. The delay to wait for such
368
approval and the default action (approve or deny) can be
369
configured both globally and per client; see <citerefentry>
370
<refentrytitle>mandos-clients.conf</refentrytitle>
371
<manvolnum>5</manvolnum></citerefentry>. By default all clients
372
will be approved immediately without delay.
375
This can be used to deny a client its secret if not manually
376
approved within a specified time. It can also be used to make
377
the server delay before giving a client its secret, allowing
378
optional manual denying of this specific client.
317
383
<refsect1 id="logging">
393
<refsect1 id="dbus_interface">
394
<title>D-BUS INTERFACE</title>
396
The server will by default provide a D-Bus system bus interface.
397
This interface will only be accessible by the root user or a
398
Mandos-specific user, if such a user exists. For documentation
399
of the D-Bus API, see the file <filename>DBUS-API</filename>.
327
403
<refsect1 id="exit_status">
328
404
<title>EXIT STATUS</title>
384
460
<term><filename>/var/run/mandos.pid</filename></term>
387
The file containing the process id of
388
<command>&COMMANDNAME;</command>.
463
The file containing the process id of the
464
<command>&COMMANDNAME;</command> process started last.
419
495
backtrace. This could be considered a feature.
422
Currently, if a client is declared <quote>invalid</quote> due to
423
having timed out, the server does not record this fact onto
424
permanent storage. This has some security implications, see
425
<xref linkend="clients"/>.
428
There is currently no way of querying the server of the current
429
status of clients, other than analyzing its <systemitem
430
class="service">syslog</systemitem> output.
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"/>.
433
503
There is no fine-grained control over logging and debug output.
436
506
Debug mode is conflated with running in the foreground.
439
The console log messages does not show a time stamp.
509
The console log messages do not show a time stamp.
442
512
This server does not check the expire time of clients’ OpenPGP
517
587
If a client is compromised, its downtime should be duly noted
518
by the server which would therefore declare the client
519
invalid. But if the server was ever restarted, it would
520
re-read its client list from its configuration file and again
521
regard all clients therein as valid, and hence eligible to
522
receive their passwords. Therefore, be careful when
523
restarting servers if it is suspected that a client has, in
524
fact, been compromised by parties who may now be running a
525
fake Mandos client with the keys from the non-encrypted
526
initial <acronym>RAM</acronym> image of the client host. What
527
should be done in that case (if restarting the server program
528
really is necessary) is to stop the server program, edit the
529
configuration file to omit any suspect clients, and restart
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.
533
602
For more details on client-side security, see
added
removed
mandos.xml
