forked from ISTI-ansible-roles/ansible-roles
255 lines
7.6 KiB
Plaintext
255 lines
7.6 KiB
Plaintext
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# Fail2Ban configuration file.
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#
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# This file was composed for Debian systems from the original one
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# provided now under /usr/share/doc/fail2ban/examples/jail.conf
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# for additional examples.
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#
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# Comments: use '#' for comment lines and ';' for inline comments
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#
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# To avoid merges during upgrades DO NOT MODIFY THIS FILE
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# and rather provide your changes in /etc/fail2ban/jail.local
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#
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# The DEFAULT allows a global definition of the options. They can be overridden
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# in each jail afterwards.
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[DEFAULT]
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# "ignoreip" can be an IP address, a CIDR mask or a DNS host. Fail2ban will not
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# ban a host which matches an address in this list. Several addresses can be
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# defined using space separator.
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ignoreip = 127.0.0.1/8 {{ cm_ip }} {{ monitoring_ip }}
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# "bantime" is the number of seconds that a host is banned.
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bantime = {{ f2b_ban_time }}
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# A host is banned if it has generated "maxretry" during the last "findtime"
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# seconds.
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findtime = {{ f2b_findtime }}
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maxretry = {{ f2b_maxretry }}
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# "backend" specifies the backend used to get files modification.
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# Available options are "pyinotify", "gamin", "polling" and "auto".
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# This option can be overridden in each jail as well.
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#
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# pyinotify: requires pyinotify (a file alteration monitor) to be installed.
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# If pyinotify is not installed, Fail2ban will use auto.
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# gamin: requires Gamin (a file alteration monitor) to be installed.
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# If Gamin is not installed, Fail2ban will use auto.
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# polling: uses a polling algorithm which does not require external libraries.
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# auto: will try to use the following backends, in order:
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# pyinotify, gamin, polling.
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backend = {{ f2b_default_backend }}
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# "usedns" specifies if jails should trust hostnames in logs,
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# warn when reverse DNS lookups are performed, or ignore all hostnames in logs
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#
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# yes: if a hostname is encountered, a reverse DNS lookup will be performed.
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# warn: if a hostname is encountered, a reverse DNS lookup will be performed,
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# but it will be logged as a warning.
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# no: if a hostname is encountered, will not be used for banning,
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# but it will be logged as info.
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usedns = {{ f2b_usedns }}
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#
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# Destination email address used solely for the interpolations in
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# jail.{conf,local} configuration files.
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destemail = {{ f2b_dest_email }}
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#
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# Name of the sender for mta actions
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sendername = {{ f2b_sender_email }}
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#
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# ACTIONS
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#
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# Default banning action (e.g. iptables, iptables-new,
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# iptables-multiport, shorewall, etc) It is used to define
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# action_* variables. Can be overridden globally or per
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# section within jail.local file
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banaction = {{ f2b_default_banaction }}
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# email action. Since 0.8.1 upstream fail2ban uses sendmail
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# MTA for the mailing. Change mta configuration parameter to mail
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# if you want to revert to conventional 'mail'.
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mta = sendmail
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# Default protocol
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protocol = tcp
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# Specify chain where jumps would need to be added in iptables-* actions
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chain = {{ f2b_default_iptableschain }}
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#
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# Action shortcuts. To be used to define action parameter
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# The simplest action to take: ban only
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action_ = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
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# ban & send an e-mail with whois report to the destemail.
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action_mw = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
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%(mta)s-whois[name=%(__name__)s, dest="%(destemail)s", protocol="%(protocol)s", chain="%(chain)s", sendername="%(sendername)s"]
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# ban & send an e-mail with whois report and relevant log lines
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# to the destemail.
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action_mwl = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
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%(mta)s-whois-lines[name=%(__name__)s, dest="%(destemail)s", logpath=%(logpath)s, chain="%(chain)s", sendername="%(sendername)s"]
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# Choose default action. To change, just override value of 'action' with the
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# interpolation to the chosen action shortcut (e.g. action_mw, action_mwl, etc) in jail.local
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# globally (section [DEFAULT]) or per specific section
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action = %({{ f2b_default_action }})s
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#
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# JAILS
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#
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# Next jails corresponds to the standard configuration in Fail2ban 0.6 which
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# was shipped in Debian. Enable any defined here jail by including
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#
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# [SECTION_NAME]
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# enabled = true
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#
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# in /etc/fail2ban/jail.local.
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#
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# Optionally you may override any other parameter (e.g. banaction,
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# action, port, logpath, etc) in that section within jail.local
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[ssh]
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enabled = {{ f2b_ssh_enabled }}
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port = ssh
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filter = sshd
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logpath = /var/log/auth.log
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maxretry = {{ f2b_maxretry }}
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[dropbear]
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enabled = false
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port = ssh
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filter = dropbear
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logpath = /var/log/auth.log
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maxretry = 6
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# Generic filter for pam. Has to be used with action which bans all ports
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# such as iptables-allports, shorewall
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[pam-generic]
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enabled = false
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# pam-generic filter can be customized to monitor specific subset of 'tty's
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filter = pam-generic
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# port actually must be irrelevant but lets leave it all for some possible uses
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port = all
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banaction = iptables-allports
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port = anyport
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logpath = /var/log/auth.log
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maxretry = 6
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[xinetd-fail]
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enabled = false
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filter = xinetd-fail
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port = all
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banaction = iptables-multiport-log
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logpath = /var/log/daemon.log
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maxretry = 2
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[ssh-ddos]
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enabled = {{ f2b_ssh_ddos_enabled }}
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port = ssh
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filter = sshd-ddos
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logpath = /var/log/auth.log
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maxretry = {{ f2b_maxretry }}
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#
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# HTTP servers
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#
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# default action is now multiport, so apache-multiport jail was left
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# for compatibility with previous (<0.7.6-2) releases
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[apache-multiport]
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enabled = {{ f2b_apache_auth_enabled }}
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port = http,https
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filter = apache-auth
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logpath = /var/log/apache*/*error.log
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maxretry = 6
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[apache-noscript]
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enabled = {{ f2b_apache_noscript_enabled }}
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port = http,https
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filter = apache-noscript
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logpath = /var/log/apache*/*error.log
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maxretry = 6
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[apache-overflows]
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enabled = {{ f2b_apache_overflow_enabled }}
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port = http,https
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filter = apache-overflows
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logpath = /var/log/apache*/*error.log
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maxretry = 2
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# Ban attackers that try to use PHP's URL-fopen() functionality
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# through GET/POST variables. - Experimental, with more than a year
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# of usage in production environments.
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[php-url-fopen]
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enabled = {{ f2b_php_url_popen }}
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port = http,https
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filter = php-url-fopen
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logpath = /var/www/*/logs/access_log
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# A simple PHP-fastcgi jail which works with lighttpd.
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# If you run a lighttpd server, then you probably will
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# find these kinds of messages in your error_log:
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# ALERT – tried to register forbidden variable ‘GLOBALS’
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# through GET variables (attacker '1.2.3.4', file '/var/www/default/htdocs/index.php')
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[nginx-http-auth]
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enabled = {{ f2b_nginx_auth_enabled }}
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filter = nginx-http-auth
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port = http,https
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logpath = /var/log/nginx/error.log
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#
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# FTP servers
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#
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[vsftpd]
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enabled = {{ f2b_vsftpd_enabled }}
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port = ftp,ftp-data,ftps,ftps-data
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filter = vsftpd
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logpath = {{ f2b_vsftpd_logpath }}
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# or overwrite it in jails.local to be
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# logpath = /var/log/auth.log
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# if you want to rely on PAM failed login attempts
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# vsftpd's failregex should match both of those formats
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maxretry = 6
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# Jail for more extended banning of persistent abusers
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# !!! WARNING !!!
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# Make sure that your loglevel specified in fail2ban.conf/.local
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# is not at DEBUG level -- which might then cause fail2ban to fall into
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# an infinite loop constantly feeding itself with non-informative lines
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[recidive]
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enabled = {{ f2b_recidive_enabled }}
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filter = recidive
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logpath = /var/log/fail2ban.log
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action = iptables-allports[name=recidive]
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sendmail-whois-lines[name=recidive, logpath=/var/log/fail2ban.log]
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bantime = {{ f2b_recidive_ban_time }}
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findtime = {{ f2b_recidive_findtime }}
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maxretry = 5
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