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Merge master (commit '0.9.4-79-gaf8b650') into 0.10

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* commit '0.9.4-79-gaf8b650':
  badip timeout option introduced, set to 30 seconds in our test cases (#1463)
  DOC: changelog for recent exim filters tune up
  Asterisk pjsip (#1456)
  BF: finalize that sample log line for exim4
  RF: for consistency use (?:XXX)? instead of (?:|XXX)
  ENH: use non-capturing regex groups in exim-common and exim filters
  ENH: exim filters -- make more use of %(host_info)s which in turn made more flexible
  BF: make :port and I=[ip]:port optional for a "AUTH command used when not advertised"
pull/1461/head
Yaroslav Halchenko 9 years ago
parent fd0c661a44 af8b650a37
commit 593b1210c0
6 changed files with 23 additions and 10 deletions
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6
ChangeLog
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@ -82,10 +82,12 @@ ver. 0.9.5 (2016/XX/XXX) - wanna-be-released
added new parameter `__date_ambit`
* gentoo-initd fixed --pidfile bug: `--pidfile` is option of start-stop-daemon,
not argument of fail2ban (see gh-1434)
* filter.d/asterisk.conf - fix security log support for PJSIP and Asterisk 13+
- New Features:
* New Actions:
- action.d/firewallcmd-rich-rules and action.d/firewallcmd-rich-logging (gh-1367)
- Enhancements:
* Extreme speedup of all sqlite database operations (gh-1436),
by using of following sqlite options:
@ -94,7 +96,9 @@ ver. 0.9.5 (2016/XX/XXX) - wanna-be-released
- (temp_store = MEMORY) temporary tables and indices are kept in memory
* journald journalmatch for pure-ftpd (gh-1362)
* Add additional regex filter for dovecot ldap authentication failures (gh-1370)
* added additional regex filters for exim (gh-1371)
* filter.d/exim*conf
- added additional regexes (gh-1371)
- made port entry optional
ver. 0.9.4 (2016/03/08) - for-you-ladies

1
config/filter.d/asterisk.conf
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@ -27,6 +27,7 @@ failregex = ^%(__prefix_line)s%(log_prefix)s Registration from '[^']*' failed fo
^%(__prefix_line)s%(log_prefix)s hacking attempt detected '<HOST>'$
^%(__prefix_line)s%(log_prefix)s SecurityEvent="(FailedACL|InvalidAccountID|ChallengeResponseFailed|InvalidPassword)",EventTV="([\d-]+|%(iso8601)s)",Severity="[\w]+",Service="[\w]+",EventVersion="\d+",AccountID="(\d*|<unknown>)",SessionID=".+",LocalAddress="IPV[46]/(UDP|TCP|WS)/[\da-fA-F:.]+/\d+",RemoteAddress="IPV[46]/(UDP|TCP|WS)/<HOST>/\d+"(,Challenge="[\w/]+")?(,ReceivedChallenge="\w+")?(,Response="\w+",ExpectedResponse="\w*")?(,ReceivedHash="[\da-f]+")?(,ACLName="\w+")?$
^%(__prefix_line)s%(log_prefix)s "Rejecting unknown SIP connection from <HOST>"$
^%(__prefix_line)s%(log_prefix)s Request from '[^']*' failed for '<HOST>(?::\d+)?' \(callid: \w*\) - No matching endpoint found$
ignoreregex =

4
config/filter.d/exim-common.conf
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@ -9,8 +9,8 @@ after = exim-common.local
[Definition]
host_info = H=([\w.-]+ )?(\(\S+\) )?\[<HOST>\](:\d+)? (I=\[\S+\]:\d+ )?(U=\S+ )?(P=e?smtp )?
pid = ( \[\d+\])?
host_info = (?:H=([\w.-]+ )?(?:\(\S+\) )?)?\[<HOST>\](?::\d+)? (?:I=\[\S+\](:\d+)? )?(?:U=\S+ )?(?:P=e?smtp )?
pid = (?: \[\d+\])?
# DEV Notes:
# From exim source code: ./src/receive.c:add_host_info_for_log

14
config/filter.d/exim.conf
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@ -14,13 +14,13 @@ before = exim-common.conf
[Definition]
failregex = ^%(pid)s %(host_info)ssender verify fail for <\S+>: (?:Unknown user|Unrouteable address|all relevant MX records point to non-existent hosts)\s*$
^%(pid)s \w+ authenticator failed for (\S+ )?\(\S+\) \[<HOST>\](:\d+)?( I=\[\S+\](:\d+)?)?: 535 Incorrect authentication data( \(set_id=.*\)|: \d+ Time\(s\))?\s*$
^%(pid)s %(host_info)sF=(<>|[^@]+@\S+) rejected RCPT [^@]+@\S+: (relay not permitted|Sender verify failed|Unknown user)\s*$
^%(pid)s SMTP protocol synchronization error \([^)]*\): rejected (connection from|"\S+") %(host_info)s(next )?input=".*"\s*$
^%(pid)s SMTP call from \S+ \[<HOST>\](:\d+)? (I=\[\S+\](:\d+)? )?dropped: too many nonmail commands \(last was "\S+"\)\s*$
^%(pid)s SMTP protocol error in "AUTH \S*(| \S*)" H=(|\S* )(|\(\S*\) )\[<HOST>\]\:\d+ I=\[\S*\]\:\d+ AUTH command used when not advertised\s*$
^%(pid)s no MAIL in SMTP connection from (|\S* )(|\(\S*\) )\[<HOST>\]\:\d+ I=\[\S*\]\:\d+ D=\d+s(| C=\S*)\s*$
^%(pid)s \S+ SMTP connection from (|\S* )(|\(\S*\) )\[<HOST>\]\:\d+ I=\[\S*\]\:\d+ closed by DROP in ACL\s*$
^%(pid)s \w+ authenticator failed for (\S+ )?\(\S+\) \[<HOST>\](?::\d+)?(?: I=\[\S+\](:\d+)?)?: 535 Incorrect authentication data( \(set_id=.*\)|: \d+ Time\(s\))?\s*$
^%(pid)s %(host_info)sF=(?:<>|[^@]+@\S+) rejected RCPT [^@]+@\S+: (?:relay not permitted|Sender verify failed|Unknown user)\s*$
^%(pid)s SMTP protocol synchronization error \([^)]*\): rejected (?:connection from|"\S+") %(host_info)s(?:next )?input=".*"\s*$
^%(pid)s SMTP call from \S+ %(host_info)sdropped: too many nonmail commands \(last was "\S+"\)\s*$
^%(pid)s SMTP protocol error in "AUTH \S*(?: \S*)?" %(host_info)sAUTH command used when not advertised\s*$
^%(pid)s no MAIL in SMTP connection from (?:\S* )?(?:\(\S*\) )?%(host_info)sD=\d+s(?: C=\S*)?\s*$
^%(pid)s \S+ SMTP connection from (?:\S* )?(?:\(\S*\) )?%(host_info)sclosed by DROP in ACL\s*$
ignoreregex =

4
fail2ban/tests/files/logs/asterisk
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@ -67,3 +67,7 @@ Nov 4 18:30:40 localhost asterisk[32229]: NOTICE[32257]: chan_sip.c:23417 in han
[2016-01-28 10:34:31] NOTICE[3477][C-000003c3] chan_sip.c: Call from '' (1.2.3.4:10836) to extension '0+441772285407' rejected because extension not found in context 'default'.
# failJSON: { "time": "2016-01-28T10:34:33", "match": true , "host": "1.2.3.4" }
[2016-01-28 10:34:33] NOTICE[3477][C-000003c3] chan_sip.c: Call from '' (1.2.3.4:10836) to extension '' rejected because extension not found in context 'my-context'.
# Failed authentication with pjsip on Asterisk 13+
# failJSON: { "time": "2016-05-23T10:18:16", "match": true , "host": "1.2.3.4" }
[2016-05-23 10:18:16] NOTICE[19388] res_pjsip/pjsip_distributor.c: Request from '"1000" <sip:1000@10.0.0.1>' failed for '1.2.3.4:48336' (callid: 276666022) - No matching endpoint found

4
fail2ban/tests/files/logs/exim
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@ -48,10 +48,14 @@
2016-03-18 00:34:06 [7513] SMTP protocol error in "AUTH LOGIN" H=(ylmf-pc) [45.32.34.167]:60723 I=[172.89.0.6]:587 AUTH command used when not advertised
# failJSON: { "time": "2016-03-19T18:40:44", "match": true , "host": "92.45.204.170" }
2016-03-19 18:40:44 [26221] SMTP protocol error in "AUTH LOGIN aW5mb0BtYW5iYXQub3Jn" H=([127.0.0.1]) [92.45.204.170]:14243 I=[172.89.0.6]:587 AUTH command used when not advertised
# failJSON: { "time": "2016-05-17T06:25:27", "match": true , "host": "69.10.61.61", "desc": "from gh-1430" }
2016-05-17 06:25:27 SMTP protocol error in "AUTH LOGIN" H=(ylmf-pc) [69.10.61.61] AUTH command used when not advertised
# failJSON: { "time": "2016-03-21T06:38:05", "match": true , "host": "49.212.207.15" }
2016-03-21 06:38:05 [5718] no MAIL in SMTP connection from www3005.sakura.ne.jp [49.212.207.15]:28890 I=[172.89.0.6]:25 D=21s C=EHLO,STARTTLS
# failJSON: { "time": "2016-03-21T06:57:36", "match": true , "host": "122.165.71.116" }
2016-03-21 06:57:36 [5908] no MAIL in SMTP connection from [122.165.71.116]:2056 I=[172.89.0.6]:25 D=10s
# failJSON: { "time": "2016-03-21T06:57:36", "match": true , "host": "122.165.71.116" }
2016-03-21 06:57:36 [5908] no MAIL in SMTP connection from [122.165.71.116] I=[172.89.0.6]:25 D=10s
# failJSON: { "time": "2016-03-21T04:07:49", "match": true , "host": "174.137.147.204" }
2016-03-21 04:07:49 [25874] 1ahr79-0006jK-G9 SMTP connection from (voyeur.webair.com) [174.137.147.204]:44884 I=[172.89.0.6]:25 closed by DROP in ACL
# failJSON: { "time": "2016-03-21T04:33:13", "match": true , "host": "206.214.71.53" }

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