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filter.d/sendmail-reject.conf: fix reverse DNS for ... (gh-3012)

pull/3117/head
sebres 2021-05-29 17:45:02 +02:00
parent 1627d4f573
commit 87f717e0e0
2 changed files with 4 additions and 2 deletions
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2
config/filter.d/sendmail-reject.conf
View File

@ -25,7 +25,7 @@ addr = (?:(?:IPv6:)?<IP6>|<IP4>)
prefregex = ^<F-MLFID>%(__prefix_line)s</F-MLFID><F-CONTENT>.+</F-CONTENT>$
cmnfailre = ^ruleset=check_rcpt, arg1=(?P<email><\S+@\S+>), relay=(\S+ )?\[%(addr)s\](?: \(may be forged\))?, reject=(550 5\.7\.1 (?P=email)\.\.\. Relaying denied\. (IP name possibly forged \[(\d+\.){3}\d+\]|Proper authentication required\.|IP name lookup failed \[(\d+\.){3}\d+\])|553 5\.1\.8 (?P=email)\.\.\. Domain of sender address \S+ does not exist|550 5\.[71]\.1 (?P=email)\.\.\. (Rejected: .*|User unknown))$
cmnfailre = ^ruleset=check_rcpt, arg1=(?P<email><\S+@\S+>), relay=(\S+ )?\[%(addr)s\](?: \(may be forged\))?, reject=(?:550 5\.7\.1(?: (?P=email)\.\.\.)?(?: Relaying denied\.)? (?:IP name possibly forged \[(\d+\.){3}\d+\]|Proper authentication required\.|IP name lookup failed \[(\d+\.){3}\d+\]|Fix reverse DNS for \S+)|553 5\.1\.8(?: (?P=email)\.\.\.)? Domain of sender address \S+ does not exist|550 5\.[71]\.1 (?P=email)\.\.\. (Rejected: .*|User unknown))$
^ruleset=check_relay(?:, arg\d+=\S*)*, relay=(\S+ )?\[%(addr)s\](?: \(may be forged\))?, reject=421 4\.3\.2 (Connection rate limit exceeded\.|Too many open connections\.)$
^rejecting commands from (\S* )?\[%(addr)s\] due to pre-greeting traffic after \d+ seconds$
^(?:\S+ )?\[%(addr)s\]: (?:(?i)expn|vrfy) \S+ \[rejected\]$

4
fail2ban/tests/files/logs/sendmail-reject
View File

@ -72,6 +72,8 @@ Feb 13 01:16:50 batman sm-mta[25815]: s1D0GoSs025815: [217.193.142.180]: vrfy in
# failJSON: { "time": "2005-02-22T14:02:44", "match": true , "host": "24.73.201.194" }
Feb 22 14:02:44 batman sm-mta[4030]: s1MD2hsd004030: rrcs-24-73-201-194.se.biz.rr.com [24.73.201.194]: VRFY root [rejected]
# failJSON: { "time": "2005-02-22T15:20:27", "match": true , "host": "192.0.2.5", "desc": "Fix reverse DNS for ... (gh-3012)" }
Feb 22 15:20:27 localhost sm-mta[275631]: 13O9Ixhq275631: ruleset=check_rcpt, arg1=<linda@domain.com>, relay=[192.0.2.5], reject=550 5.7.1 <linda@domain.com>... Fix reverse DNS for 192.0.2.5
# failJSON: { "match": false }
Nov 3 11:35:30 Microsoft sendmail[26254]: rA37ZTSC026250: <arhipov@domain.com>... No such user here
@ -109,4 +111,4 @@ Mar 29 22:51:43 server sendmail[3529565]: xA32R2PQ3529565: [192.0.2.2] did not i
# failJSON: { "time": "2005-03-29T22:51:45", "match": true , "host": "192.0.2.3", "desc": "sendmail 8.15.2 default names IPv4/6 (gh-2787)" }
Mar 29 22:51:45 server sm-mta[50437]: 06QDQnNf050437: example.com [192.0.2.3] did not issue MAIL/EXPN/VRFY/ETRN during connection to IPv4
# failJSON: { "time": "2005-03-29T22:51:46", "match": true , "host": "2001:DB8::1", "desc": "IPv6" }
Mar 29 22:51:46 server sm-mta[50438]: 06QDQnNf050438: example.com [IPv6:2001:DB8::1] did not issue MAIL/EXPN/VRFY/ETRN during connection to IPv6
Mar 29 22:51:46 server sm-mta[50438]: 06QDQnNf050438: example.com [IPv6:2001:DB8::1] did not issue MAIL/EXPN/VRFY/ETRN during connection to IPv6