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 "2010-09-11">
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
324
<manvolnum>5</manvolnum></citerefentry>.
354
341
The server will by default provide a D-Bus system bus interface.
355
342
This interface will only be accessible by the root user or a
356
Mandos-specific user, if such a user exists. For documentation
357
of the D-Bus API, see the file <filename>DBUS-API</filename>.
343
Mandos-specific user, if such a user exists.
361
348
<refsect1 id="exit_status">
362
349
<title>EXIT STATUS</title>
453
440
backtrace. This could be considered a feature.
456
Currently, if a client is disabled due to having timed out, the
457
server does not record this fact onto permanent storage. This
458
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.
461
454
There is no fine-grained control over logging and debug output.
464
457
Debug mode is conflated with running in the foreground.
467
The console log messages do not show a time stamp.
460
The console log messages does not show a time stamp.
470
463
This server does not check the expire time of clients’ OpenPGP
545
538
If a client is compromised, its downtime should be duly noted
546
by the server which would therefore disable the client. But
547
if the server was ever restarted, it would re-read its client
548
list from its configuration file and again regard all clients
549
therein as enabled, and hence eligible to receive their
550
passwords. Therefore, be careful when restarting servers if
551
it is suspected that a client has, in fact, been compromised
552
by parties who may now be running a fake Mandos client with
553
the keys from the non-encrypted initial <acronym>RAM</acronym>
554
image of the client host. What should be done in that case
555
(if restarting the server program really is necessary) is to
556
stop the server program, edit the configuration file to omit
557
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
560
554
For more details on client-side security, see
added
removed
mandos.xml
