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 "2010-09-25">
5
<!ENTITY TIMESTAMP "2009-01-04">
6
6
<!ENTITY % common SYSTEM "common.ent">
327
317
The server will, by default, continually check that the clients
328
318
are still up. If a client has not been confirmed as being up
329
319
for some time, the client is assumed to be compromised and is no
330
longer eligible to receive the encrypted password. (Manual
331
intervention is required to re-enable a client.) The timeout,
320
longer eligible to receive the encrypted password. The timeout,
332
321
checker program, and interval between checks can be configured
333
322
both globally and per client; see <citerefentry>
334
323
<refentrytitle>mandos-clients.conf</refentrytitle>
335
<manvolnum>5</manvolnum></citerefentry>. A client successfully
336
receiving its password will also be treated as a successful
341
<refsect1 id="approval">
342
<title>APPROVAL</title>
344
The server can be configured to require manual approval for a
345
client before it is sent its secret. The delay to wait for such
346
approval and the default action (approve or deny) can be
347
configured both globally and per client; see <citerefentry>
348
<refentrytitle>mandos-clients.conf</refentrytitle>
349
<manvolnum>5</manvolnum></citerefentry>. By default all clients
350
will be approved immediately without delay.
353
This can be used to deny a client its secret if not manually
354
approved within a specified time. It can also be used to make
355
the server delay before giving a client its secret, allowing
356
optional manual denying of this specific client.
324
<manvolnum>5</manvolnum></citerefentry>.
361
328
<refsect1 id="logging">
374
341
The server will by default provide a D-Bus system bus interface.
375
342
This interface will only be accessible by the root user or a
376
Mandos-specific user, if such a user exists. For documentation
377
of the D-Bus API, see the file <filename>DBUS-API</filename>.
343
Mandos-specific user, if such a user exists.
381
348
<refsect1 id="exit_status">
382
349
<title>EXIT STATUS</title>
438
405
<term><filename>/var/run/mandos.pid</filename></term>
441
The file containing the process id of the
442
<command>&COMMANDNAME;</command> process started last.
408
The file containing the process id of
409
<command>&COMMANDNAME;</command>.
473
440
backtrace. This could be considered a feature.
476
Currently, if a client is disabled due to having timed out, the
477
server does not record this fact onto permanent storage. This
478
has some security implications, see <xref linkend="clients"/>.
443
Currently, if a client is declared <quote>invalid</quote> due to
444
having timed out, the server does not record this fact onto
445
permanent storage. This has some security implications, see
446
<xref linkend="clients"/>.
449
There is currently no way of querying the server of the current
450
status of clients, other than analyzing its <systemitem
451
class="service">syslog</systemitem> output.
481
454
There is no fine-grained control over logging and debug output.
484
457
Debug mode is conflated with running in the foreground.
487
The console log messages do not show a time stamp.
460
The console log messages does not show a time stamp.
490
463
This server does not check the expire time of clients’ OpenPGP
565
538
If a client is compromised, its downtime should be duly noted
566
by the server which would therefore disable the client. But
567
if the server was ever restarted, it would re-read its client
568
list from its configuration file and again regard all clients
569
therein as enabled, and hence eligible to receive their
570
passwords. Therefore, be careful when restarting servers if
571
it is suspected that a client has, in fact, been compromised
572
by parties who may now be running a fake Mandos client with
573
the keys from the non-encrypted initial <acronym>RAM</acronym>
574
image of the client host. What should be done in that case
575
(if restarting the server program really is necessary) is to
576
stop the server program, edit the configuration file to omit
577
any suspect clients, and restart the server program.
539
by the server which would therefore declare the client
540
invalid. But if the server was ever restarted, it would
541
re-read its client list from its configuration file and again
542
regard all clients therein as valid, and hence eligible to
543
receive their passwords. Therefore, be careful when
544
restarting servers if it is suspected that a client has, in
545
fact, been compromised by parties who may now be running a
546
fake Mandos client with the keys from the non-encrypted
547
initial <acronym>RAM</acronym> image of the client host. What
548
should be done in that case (if restarting the server program
549
really is necessary) is to stop the server program, edit the
550
configuration file to omit any suspect clients, and restart
580
554
For more details on client-side security, see
added
removed
mandos.xml
