mirror of https://github.com/fail2ban/fail2ban
30 lines
1.3 KiB
Plaintext
30 lines
1.3 KiB
Plaintext
# Fail2Ban filter for selected Postfix SMTP rejections
|
|
#
|
|
#
|
|
|
|
[INCLUDES]
|
|
|
|
# Read common prefixes. If any customizations available -- read them from
|
|
# common.local
|
|
before = common.conf
|
|
|
|
[Definition]
|
|
|
|
_daemon = postfix(-\w+)?/(submission/)?smtp(d|s)
|
|
|
|
failregex = ^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[<HOST>\]: 554 5\.7\.1 .*$
|
|
^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[<HOST>\]: 450 4\.7\.1 Client host rejected: cannot find your hostname, (\[\S*\]); from=<\S*> to=<\S+> proto=ESMTP helo=<\S*>$
|
|
^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[<HOST>\]: 450 4\.7\.1 : Helo command rejected: Host not found; from=<> to=<> proto=ESMTP helo= *$
|
|
^%(__prefix_line)sNOQUEUE: reject: EHLO from \S+\[<HOST>\]: 504 5\.5\.2 <\S+>: Helo command rejected: need fully-qualified hostname;
|
|
^%(__prefix_line)sNOQUEUE: reject: VRFY from \S+\[<HOST>\]: 550 5\.1\.1 .*$
|
|
^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[<HOST>\]: 450 4\.1\.8 <\S*>: Sender address rejected: Domain not found; from=<\S*> to=<\S+> proto=ESMTP helo=<\S*>$
|
|
^%(__prefix_line)simproper command pipelining after \S+ from [^[]*\[<HOST>\]:?$
|
|
|
|
ignoreregex =
|
|
|
|
[Init]
|
|
|
|
journalmatch = _SYSTEMD_UNIT=postfix.service
|
|
|
|
# Author: Cyril Jaquier
|