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54 Commits (766d2b8d742cf207f3321b27bf74fce2760a8eb7)

Author SHA1 Message Date
Brian J. Murrell dc4ee5aa47 Add transport to asterisk RE 
Call rejection messages from Asterisk can have the transport prefixed to the IP address.

Signed-off-by: Brian J. Murrell <brian@interlinx.bc.ca>
 2021-01-31 15:22:16 +01:00
sebres 9e28b6c65f filter.d/asterisk.conf: relaxing protocol RE-part before IP in RemoteAddress (gh-2531) 2019-09-26 21:46:26 +02:00
sebres 62b1712d22 amend to #2387: 
- common.conf: rewritten using section-based handling round about option logtype;
- option `logtype` extended with `rfc5424` to cover RFC 5424 log-format (see #2309);
 2019-07-09 21:48:43 +02:00
sebres e268bf97d4 introduces new configuration parameter "logtype" (default "file" for file-backends, and "journal" for journal-backends); 
common.conf: differentiate "__prefix_line" for file/journal logtype's (speedup and fix parsing of systemd-journal);
samplestestcase.py: extends testSampleRegexsFactory to allow coverage of journal logtype;
closes gh-2383: asterisk can log timestamp if logs into systemd-journal (regex extended with optional part matching this)
 2019-03-29 14:23:57 +01:00
sebres 9ed35c423a Merge branch '0.9' into 0.10 (gh-2317) 2019-02-21 20:13:54 +01:00
Yannik Sembritzki 6b4404b1bc
Fix asterisk filter not catching attackers when port is logged (Fixes #2316) 2019-01-03 23:55:42 +01:00
sebres 8c291cad38 filter.d/asterisk.conf: fixed failregex prefix by log over remote syslog server (gh-2060) 2018-03-02 09:17:04 +01:00
sebres c30144b37a Merge branch '0.9' into 0.10 
# Conflicts:
#	config/action.d/firewallcmd-ipset.conf
#	config/filter.d/asterisk.conf
# Merge-point after cherry-pick, no changes:
#	fail2ban/client/jailreader.py
#	fail2ban/helpers.py
 2018-01-10 12:05:26 +01:00
Yannik Sembritzki 94f0b15c32
Allow faster parsing of hosts without ' characters in them 2018-01-08 14:54:32 +01:00
Yannik Sembritzki b28dfb965a
Fix filter not catching asterisk requests with quote character in username (fixes #2010) 2018-01-03 18:39:30 +01:00
sebres 0e66e3cc57 Merge branch 'master' into 0.10 
# Conflicts:
#	config/filter.d/asterisk.conf
 2017-10-18 19:00:23 +02:00
Michael Newton d5d1fe679f Remove invalid regex 
Resolves #1927
 2017-10-17 14:44:23 -07:00
sebres 1a562bed0f Merge remote-tracking branch 'master' into 0.10 
# Conflicts:
#	config/filter.d/asterisk.conf
 2017-07-19 08:57:23 +02:00
sebres a5b62a7f36 failregex extended and simplified (partially ported from gh-1409). 2017-07-18 16:34:22 +02:00
sebres 098abae4e6 Remove greedy catch-all before `<HOST>`, make regex more universal, fewer prone to errors (should avoid future changes, if some optional parameters coming again before/after `RemoteAddress`) + non-captured groups now. 
Test for possible injection (5.6.7.8 in session-id) already available, line 59 (thus already covered).
 2017-07-18 16:09:53 +02:00
Kirill 4c0c7b97c0 Update asterisk.conf to new log message 
I got an issue like this:
[2016-05-15 22:53:00] SECURITY[26428] res_security_log.c: SecurityEvent="FailedACL",EventTV="2016-05-15T22:53:00.203+0300",Severity="Error",Service="AMI",EventVersion="1",AccountID="admin",SessionID="0x7fb580001518",LocalAddress="IPV4/TCP/0.0.0.0/5038",RemoteAddress="IPV4/TCP/78.129.227.4/62389",SessionTV="1970-01-01T03:00:00.000+0300"

# [sebres] rebased to current master and resolving conflicts.
 2017-07-18 15:40:32 +02:00
sebres 546cd55342 Merge branch 'master' into 0.10 2017-07-03 13:02:25 +02:00
sebres a1d0633e69 filter.d/asterisk.conf - fixed failregex AMI Asterisk authentification failed (see gh-1302): 
- optional space between NOTICE and pid;
- optional part "Host " before IP-address;
 2017-07-03 12:57:28 +02:00
sebres 22afdbd536 Several filters optimized with pre-filtering using new option `prefregex` 2017-02-21 15:54:59 +01:00
sebres ab0ac2111c added possibility to specify more precise default date pattern: 
- `datepattern = {^LN-BEG}` - only line-begin anchored default patterns
     (matches date only at begin of line, or with max distance up to 2 non-alphanumeric characters from line-begin);
  - `datepattern = {*WD-BEG}` - only word-begin anchored default patterns;
  - `datepattern = ^prefix{DATE}suffix` - exact specified default patterns (using prefix and suffix);
common filter configs gets a more precise, line-begin anchored (datepattern = {^LN-BEG}) resp. custom anchoring default date-patterns;
 2016-10-17 11:18:30 +02:00
sebres 4a1d720344 filter.d/asterisk.conf: another part ` chan_sip.c:28468 handle_request_register:` in log prefix 2016-08-22 14:10:50 +02:00
sebres f5f204ca7c Improved changes of gh-1458: 
`[^']*` after callid was wrong, changed to `[^\)]*`;
  regexp anchored at the end;
  almost the same regex grouped to one;

Closes #1458
 2016-07-08 11:45:25 +02:00
nturcksin 72a157b8f2 Improve PJSIP log support for asterisk 13+ with different callID (Squash gh-1458) 
Change the asterisk pjsip filter to don't take the callId part
Add optional part between "Request" and "from"
Listed all log message from asterisk
 2016-07-08 11:45:22 +02:00
Ludovic Gasc f85fb45b29 Asterisk pjsip (#1456) 
* Improve PJSIP log support for Asterisk 13+

* Update changelog: filter.d/asterisk.conf - fix security log support for PJSIP and Asterisk 13+

* Change pjsip regexp with sebres observation, thanks to @nturcksin
 2016-06-07 11:40:35 +02:00
sebres cb4f9be8b2 the date brackets removed from filters using `__prefix_line`, because `__prefix_line` already contains the date ambit; 2016-05-17 11:55:02 +02:00
sebres d8e81eb417 regexp rewritten (few vulnerable as previous) + test case added 2016-02-08 12:01:25 +01:00
3eBoP 257b7049d8 Update asterisk filter: changed regex for "Call from ...". Sometimes extension can have a plus symbol (+) because they can be phone number. 
Closes #1309
 2016-02-08 11:51:37 +01:00
Ivan Poddubny 7a4e6fa6e5 Asterisk security log: add support for websocket protocol events 
Thanks to @kcormier.
 2015-05-25 08:13:30 +03:00
Ivan Poddubny 988d9a08da Asterisk security log: accept events containing Response/ExpectedResponse 
Event containing Challenge may come without ReceivedChallenge, but with
Response and ExpectedResponse.
Also Challenge now accepts '/' character, since it is used at least by PJSIP.
 2015-05-25 08:12:51 +03:00
Ivan Poddubny 189265a323 Asterisk security log: accept SessionID of PJSIP events 
Unlike chan_sip and manager, PJSIP populates SessionID using
Call-Id header of a related SIP message.
As Call-Id of a SIP message can contain almost anything,
the regular expression for SessionID has been loosened.
 2015-05-25 08:11:34 +03:00
Ivan Poddubny ab2ac1a367 Asterisk security log: accept <unknown> in AccountID 2015-05-24 12:47:55 +03:00
Ivan Poddubny 977f9955e7 Asterisk security log: accept EventTV in ISO8601 
Asterisk uses ISO8601 dates in security log since version 12.

Closes #988
 2015-05-24 12:46:54 +03:00
Lee Clemens 72f4bcfbff Match hacking attempt IP instead of asterisk server IP (closes #1000) 2015-03-24 19:03:26 -04:00
Daniel Black 77fda9498c ENH: pull asterisk filter change to support syslog from 0.9 branch 2014-03-14 23:15:46 +11:00
Tomas Pihl b52a4441fd Support ACL-events without AccountID. Typically happens when a registration 
from an unknown domain is performed.

Add credits
 2014-01-12 01:28:55 +01:00
Daniel Black eb9663eb4f BF/ENH: asterisk connection ID is a hex not decimal number. Add "Rejecting unknown SIP connection from <HOST>" regex thanks to Jonathan Lanning 2013-11-12 09:22:41 +11:00
Daniel Black d7560d4041 ENH: condense asterisk regexs for speed 2013-11-08 10:24:50 +11:00
Daniel Black 89fd792dfb DOC: in filters, put user relevant doc at top, and developer info at bottom, and remove all the repetative blindly copied stuff that appears in the jail man page 2013-10-31 00:02:59 +11:00
Jamyn Shanley 8936f2cd02 fail2ban-users: Sebastian Arcus - Detect device auth failures on Asterisk 11 2013-07-27 00:06:06 +00:00
Daniel Black 619603fe05 BF: match asterisk InvalidPassword correctly 2013-07-07 17:48:20 +10:00
Daniel Black 0086a7edab ENH: missed a $ 2013-06-29 11:30:37 +10:00
Daniel Black fa7a105483 ENH: filter.d/asterisk - consolidate log prefix regex and add a few fail messages 2013-06-27 09:16:14 +10:00
Yaroslav Halchenko 09302c5c25 ENH: asterisk -- use \S instead of [^:] + prefix failregex with ^\[ 
detected date portion is stripped from the string to be matched, so it is not only
the right ] is left, but also the left one ;-)
 2013-06-13 23:15:48 -04:00
Daniel Black 6a09ecff5c ENH: anchor a bit mor. Use \d and \w where possible. Escape a literal . 2013-06-14 08:41:50 +10:00
Carlos Alberto Lopez Perez 47b063b022 Filter Asterisk: Add AUTH_UNKNOWN_DOMAIN error to list 
* I have been seeing bruteforcing attempts where asterisk fails with
   AUTH_UNKNOWN_DOMAIN (Not a local domain)
 2013-06-10 19:50:35 +02:00
Daniel Black 05c88bd85d ENH: purge a few more .* 2013-05-30 11:34:04 +10:00
Daniel Black 4cf402d60e ENH/BF: constrain regex. Fix ACL error regex 2013-05-30 10:15:58 +10:00
Daniel Black 0f7b609336 ENH: port optional 2013-05-30 09:43:39 +10:00
silviogarbes 5c8fb68a2c Update asterisk.conf 
Para ficar compatível com asterisk 11
 2013-05-14 08:04:11 -03:00
Daniel Black 495f2dd877 DOC: purge of svn tags 2013-05-03 16:03:38 +10:00