On 07/29/2017 01:34 PM, Davide Marchi wrote:
Hi to all,@Olaf Hopp I've this filter enabled for fail2ban, my question is: could my filters overlap or interfere with those suggested by you? this is my filter:
Davide, yours is all postfix and thus has got no overlap with dovecot. So no interference. Olaf
Contents of /etc/fail2ban/jail.conf:
[postfix]
# Ban for 10 minutes if it fails 6 times within 10 minutes
enabled = true
port = smtp,ssmtp
filter = postfix
logpath = /var/log/mail.log
maxretry = 6
bantime = 600
findtime = 600
Contents of /etc/fail2ban/filter.d/postfix.conf:
# Fail2Ban configuration file
# Author: Cyril Jaquier
# $Revision$
[Definition]
# Option: failregex
# Notes.: regex to match the password failures messages in the logfile. The
# host must be matched by a group named "host". The tag "<HOST>" can
# be used for standard IP/hostname matching and is only an alias for
# (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)
# Values: TEXT
#
# Jul 11 02:35:08 mail postfix/smtpd[16299]: lost connection after AUTH from
unknown[196.12.178.73]
failregex = lost connection after AUTH from unknown\[<HOST>\]
# Option: ignoreregex
# Notes.: regex to ignore. If this regex matches, the line is ignored.
# Values: TEXT
#
ignoreregex =
Many thanks!
-- Karlsruher Institut für Technologie (KIT) ATIS - Abt. Technische Infrastruktur, Fakultät für Informatik Dipl.-Geophys. Olaf Hopp - Leitung IT-Dienste - Am Fasanengarten 5, Gebäude 50.34, Raum 009 76131 Karlsruhe Telefon: +49 721 608-43973 Fax: +49 721 608-46699 E-Mail: olaf.h...@kit.edu www.atis.informatik.kit.edu www.kit.edu KIT - Die Forschungsuniversität in der Helmholtz-Gemeinschaft Das KIT ist seit 2010 als familiengerechte Hochschule zertifiziert.
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