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Old 5th September 2010, 17:56
falko falko is offline
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This is what I have on my ISPConfig 2 server:

jail.conf:

Code:
# Fail2Ban configuration file.
#
# This file was composed for Debian systems from the original one
#  provided now under /usr/share/doc/fail2ban/examples/jail.conf
#  for additional examples.
#
# To avoid merges during upgrades DO NOT MODIFY THIS FILE
# and rather provide your changes in /etc/fail2ban/jail.local
#
# Author: Yaroslav O. Halchenko <debian@onerussian.com>
#
# $Revision: 281 $
#

# The DEFAULT allows a global definition of the options. They can be override
# in each jail afterwards.

[DEFAULT]

# "ignoreip" can be an IP address, a CIDR mask or a DNS host
ignoreip = 127.0.0.1
bantime  = 600
maxretry = 3

# "backend" specifies the backend used to get files modification. Available
# options are "gamin", "polling" and "auto".
# yoh: For some reason Debian shipped python-gamin didn't work as expected
#      This issue left ToDo, so polling is default backend for now
backend = polling

#
# Destination email address used solely for the interpolations in
# jail.{conf,local} configuration files.
destemail = root@localhost

# Default action to take: ban only
action = iptables[name=%(__name__)s, port=%(port)s]

# Following actions can be chosen as an alternatives to the above action.
# To activate, just copy/paste+uncomment chosen 2 (excluding comments) lines
# into jail.local

# Default action to take: ban & send an e-mail with whois report
# to the destemail.
# action = iptables[name=%(__name__)s, port=%(port)s]
#          mail-whois[name=%(__name__)s, dest=%(destemail)s]

# Default action to take: ban & send an e-mail with whois report
# and relevant log lines to the destemail.
# action = iptables[name=%(__name__)s, port=%(port)s]
#          mail-whois-lines[name=%(__name__)s, dest=%(destemail)s, logpath=%(logpath)s]

# Next jails corresponds to the standard configuration in Fail2ban 0.6
# which was shipped in Debian. Please enable any defined here jail by including
#
# [SECTION_NAME]
# enabled = true
#
# in /etc/fail2ban/jail.local.
#

[ssh]

enabled = true
port    = ssh
filter  = sshd
logpath  = /var/log/auth.log
maxretry = 6

#
# HTTP servers
#

[apache]

enabled = false
port    = http
filter  = apache-auth
logpath = /var/log/apache*/*access.log
maxretry = 6


[apache-noscript]

enabled = false
port    = http
filter  = apache-noscript
logpath = /var/log/apache*/*error.log
maxretry = 6

#
# FTP servers
#

[vsftpd]

enabled  = false
port     = ftp
filter   = vsftpd
logpath  = /var/log/auth.log
maxretry = 6


[proftpd]

enabled  = false
port     = ftp
filter   = proftpd
logpath  = /var/log/proftpd/proftpd.log
maxretry = 6


[wuftpd]

enabled  = false
port     = ftp
filter   = wuftpd
logpath  = /var/log/auth.log
maxretry = 6


#
# Mail servers
#

[postfix]

enabled  = false
port     = smtp
filter   = postfix
logpath  = /var/log/postfix.log


[couriersmtp]

enabled  = false
port     = smtp
filter   = couriersmtp
logpath  = /var/log/mail.log


[sasl]

enabled  = false
port     = smtp
filter   = sasl
logpath  = /var/log/mail.log
jail.local:

Code:
[DEFAULT]

# "ignoreip" can be an IP address, a CIDR mask or a DNS host
ignoreip = 127.0.0.1
bantime  = 600
maxretry = 3

# "backend" specifies the backend used to get files modification. Available
# options are "gamin", "polling" and "auto".
# yoh: For some reason Debian shipped python-gamin didn't work as expected
#      This issue left ToDo, so polling is default backend for now
backend = polling

#
# Destination email address used solely for the interpolations in
# jail.{conf,local} configuration files.
destemail = root@localhost.localdomain

# Default action to take: ban only
action = iptables[name=%(__name__)s, port=%(port)s]


[ssh]

enabled = true
port    = ssh
filter  = sshd
logpath  = /var/log/auth.log
maxretry = 5


[apache]

enabled = true
port    = http
filter  = apache-auth
logpath = /var/log/apache*/*error.log
maxretry = 5


[apache-noscript]

enabled = false
port    = http
filter  = apache-noscript
logpath = /var/log/apache*/*error.log
maxretry = 5


[vsftpd]

enabled  = false
port     = ftp
filter   = vsftpd
logpath  = /var/log/auth.log
maxretry = 5


[proftpd]

enabled  = true
port     = ftp
filter   = proftpd
logpath  = /var/log/auth.log
failregex = proftpd: \(pam_unix\) authentication failure; .* rhost=<HOST>
maxretry = 5


[wuftpd]

enabled  = false
port     = ftp
filter   = wuftpd
logpath  = /var/log/auth.log
maxretry = 5


[postfix]

enabled  = false
port     = smtp
filter   = postfix
logpath  = /var/log/mail.log
maxretry = 5


[courierpop3]

enabled  = false
port     = pop3
filter   = courierlogin
failregex = courierpop3login: LOGIN FAILED.*ip=\[.*:<HOST>\]
logpath  = /var/log/mail.log
maxretry = 5


[courierimap]

enabled  = false
port     = imap2
filter   = courierlogin
failregex = imapd: LOGIN FAILED.*ip=\[.*:<HOST>\]
logpath  = /var/log/mail.log
maxretry = 5


[sasl]

enabled  = false
port     = smtp
filter   = sasl
failregex = warning: [-._\w]+\[<HOST>\]: SASL (?:LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed
logpath  = /var/log/mail.log
maxretry = 5
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Falko
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