ansible-roles/fail2ban/templates/jail.local.j2

255 lines
7.7 KiB
Plaintext
Raw Normal View History

# 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.
#
# Comments: use '#' for comment lines and ';' for inline comments
#
# To avoid merges during upgrades DO NOT MODIFY THIS FILE
# and rather provide your changes in /etc/fail2ban/jail.local
#
# The DEFAULT allows a global definition of the options. They can be overridden
# in each jail afterwards.
[DEFAULT]
# "ignoreip" can be an IP address, a CIDR mask or a DNS host. Fail2ban will not
# ban a host which matches an address in this list. Several addresses can be
# defined using space separator.
ignoreip = 127.0.0.1/8 {% if cm_ip is defined %}{{ cm_ip }}{% endif %} {% if monitoring_ip is defined %}{{ monitoring_ip }}{% endif %}
# "bantime" is the number of seconds that a host is banned.
bantime = {{ f2b_ban_time }}
# A host is banned if it has generated "maxretry" during the last "findtime"
# seconds.
findtime = {{ f2b_findtime }}
maxretry = {{ f2b_maxretry }}
# "backend" specifies the backend used to get files modification.
# Available options are "pyinotify", "gamin", "polling" and "auto".
# This option can be overridden in each jail as well.
#
# pyinotify: requires pyinotify (a file alteration monitor) to be installed.
# If pyinotify is not installed, Fail2ban will use auto.
# gamin: requires Gamin (a file alteration monitor) to be installed.
# If Gamin is not installed, Fail2ban will use auto.
# polling: uses a polling algorithm which does not require external libraries.
# auto: will try to use the following backends, in order:
# pyinotify, gamin, polling.
backend = {{ f2b_default_backend }}
# "usedns" specifies if jails should trust hostnames in logs,
# warn when reverse DNS lookups are performed, or ignore all hostnames in logs
#
# yes: if a hostname is encountered, a reverse DNS lookup will be performed.
# warn: if a hostname is encountered, a reverse DNS lookup will be performed,
# but it will be logged as a warning.
# no: if a hostname is encountered, will not be used for banning,
# but it will be logged as info.
usedns = {{ f2b_usedns }}
#
# Destination email address used solely for the interpolations in
# jail.{conf,local} configuration files.
destemail = {{ f2b_dest_email }}
#
# Name of the sender for mta actions
sendername = {{ f2b_sender_email }}
#
# ACTIONS
#
# Default banning action (e.g. iptables, iptables-new,
# iptables-multiport, shorewall, etc) It is used to define
# action_* variables. Can be overridden globally or per
# section within jail.local file
banaction = {{ f2b_default_banaction }}
# email action. Since 0.8.1 upstream fail2ban uses sendmail
# MTA for the mailing. Change mta configuration parameter to mail
# if you want to revert to conventional 'mail'.
mta = sendmail
# Default protocol
protocol = tcp
# Specify chain where jumps would need to be added in iptables-* actions
chain = {{ f2b_default_iptableschain }}
#
# Action shortcuts. To be used to define action parameter
# The simplest action to take: ban only
action_ = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
# ban & send an e-mail with whois report to the destemail.
action_mw = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
%(mta)s-whois[name=%(__name__)s, dest="%(destemail)s", protocol="%(protocol)s", chain="%(chain)s", sendername="%(sendername)s"]
# ban & send an e-mail with whois report and relevant log lines
# to the destemail.
action_mwl = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
%(mta)s-whois-lines[name=%(__name__)s, dest="%(destemail)s", logpath=%(logpath)s, chain="%(chain)s", sendername="%(sendername)s"]
# Choose default action. To change, just override value of 'action' with the
# interpolation to the chosen action shortcut (e.g. action_mw, action_mwl, etc) in jail.local
# globally (section [DEFAULT]) or per specific section
action = %({{ f2b_default_action }})s
#
# JAILS
#
# Next jails corresponds to the standard configuration in Fail2ban 0.6 which
# was shipped in Debian. Enable any defined here jail by including
#
# [SECTION_NAME]
# enabled = true
#
# in /etc/fail2ban/jail.local.
#
# Optionally you may override any other parameter (e.g. banaction,
# action, port, logpath, etc) in that section within jail.local
[ssh]
enabled = {{ f2b_ssh_enabled }}
port = ssh
filter = sshd
logpath = /var/log/auth.log
maxretry = {{ f2b_maxretry }}
[dropbear]
enabled = false
port = ssh
filter = dropbear
logpath = /var/log/auth.log
maxretry = 6
# Generic filter for pam. Has to be used with action which bans all ports
# such as iptables-allports, shorewall
[pam-generic]
enabled = false
# pam-generic filter can be customized to monitor specific subset of 'tty's
filter = pam-generic
# port actually must be irrelevant but lets leave it all for some possible uses
port = all
banaction = iptables-allports
port = anyport
logpath = /var/log/auth.log
maxretry = 6
[xinetd-fail]
enabled = false
filter = xinetd-fail
port = all
banaction = iptables-multiport-log
logpath = /var/log/daemon.log
maxretry = 2
[ssh-ddos]
enabled = {{ f2b_ssh_ddos_enabled }}
port = ssh
filter = sshd-ddos
logpath = /var/log/auth.log
maxretry = {{ f2b_maxretry }}
#
# HTTP servers
#
# default action is now multiport, so apache-multiport jail was left
# for compatibility with previous (<0.7.6-2) releases
[apache-multiport]
enabled = {{ f2b_apache_auth_enabled }}
port = http,https
filter = apache-auth
logpath = /var/log/apache*/*error.log
maxretry = 6
[apache-noscript]
enabled = {{ f2b_apache_noscript_enabled }}
port = http,https
filter = apache-noscript
logpath = /var/log/apache*/*error.log
maxretry = 6
[apache-overflows]
enabled = {{ f2b_apache_overflow_enabled }}
port = http,https
filter = apache-overflows
logpath = /var/log/apache*/*error.log
maxretry = 2
# Ban attackers that try to use PHP's URL-fopen() functionality
# through GET/POST variables. - Experimental, with more than a year
# of usage in production environments.
[php-url-fopen]
enabled = {{ f2b_php_url_popen }}
port = http,https
filter = php-url-fopen
logpath = /var/www/*/logs/access_log
# A simple PHP-fastcgi jail which works with lighttpd.
# If you run a lighttpd server, then you probably will
# find these kinds of messages in your error_log:
# ALERT tried to register forbidden variable GLOBALS
# through GET variables (attacker '1.2.3.4', file '/var/www/default/htdocs/index.php')
[nginx-http-auth]
enabled = {{ f2b_nginx_auth_enabled }}
filter = nginx-http-auth
port = http,https
logpath = /var/log/nginx/error.log
#
# FTP servers
#
[vsftpd]
enabled = {{ f2b_vsftpd_enabled }}
port = ftp,ftp-data,ftps,ftps-data
filter = vsftpd
logpath = {{ f2b_vsftpd_logpath }}
# or overwrite it in jails.local to be
# logpath = /var/log/auth.log
# if you want to rely on PAM failed login attempts
# vsftpd's failregex should match both of those formats
maxretry = 6
# Jail for more extended banning of persistent abusers
# !!! WARNING !!!
# Make sure that your loglevel specified in fail2ban.conf/.local
# is not at DEBUG level -- which might then cause fail2ban to fall into
# an infinite loop constantly feeding itself with non-informative lines
[recidive]
enabled = {{ f2b_recidive_enabled }}
filter = recidive
logpath = /var/log/fail2ban.log
action = iptables-allports[name=recidive]
sendmail-whois-lines[name=recidive, logpath=/var/log/fail2ban.log]
bantime = {{ f2b_recidive_ban_time }}
findtime = {{ f2b_recidive_findtime }}
maxretry = 5