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- # 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
- findtime = 600
- action = action_
- # "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
- #
- # ACTIONS
- #
- # Default banning action (e.g. iptables, iptables-new,
- # iptables-multiport, shorewall, etc) It is used to define
- # action_* variables. Can be overriden globally or per
- # section within jail.local file
- banaction = iptables-multiport
- # 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
- #
- # 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]
- # ban & send an e-mail with whois report to the destemail.
- action_mw = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s]
- %(mta)s-whois[name=%(__name__)s, dest="%(destemail)s", protocol="%(protocol)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]
- %(mta)s-whois-lines[name=%(__name__)s, dest="%(destemail)s", logpath=%(logpath)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 = %(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 = true
- port = 443
- filter = sshd
- logpath = /var/log/auth.log
- maxretry = 4
- # 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 = false
- port = ssh
- filter = sshd-ddos
- logpath = /var/log/auth.log
- maxretry = 6
- #
- # HTTP servers
- #
- [apache]
- enabled = false
- port = http,https
- filter = apache-auth
- logpath = /var/log/apache*/*error.log
- maxretry = 6
- # default action is now multiport, so apache-multiport jail was left
- # for compatibility with previous (<0.7.6-2) releases
- [apache-multiport]
- enabled = false
- port = http,https
- filter = apache-auth
- logpath = /var/log/apache*/*error.log
- maxretry = 6
- [apache-noscript]
- enabled = false
- port = http,https
- filter = apache-noscript
- logpath = /var/log/apache*/*error.log
- maxretry = 6
- [apache-overflows]
- enabled = false
- port = http,https
- filter = apache-overflows
- logpath = /var/log/apache*/*error.log
- maxretry = 2
- #
- # FTP servers
- #
- [vsftpd]
- enabled = false
- port = ftp,ftp-data,ftps,ftps-data
- filter = vsftpd
- logpath = /var/log/vsftpd.log
- # 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
- [proftpd]
- enabled = false
- port = ftp,ftp-data,ftps,ftps-data
- filter = proftpd
- logpath = /var/log/proftpd/proftpd.log
- maxretry = 6
- [wuftpd]
- enabled = false
- port = ftp,ftp-data,ftps,ftps-data
- filter = wuftpd
- logpath = /var/log/auth.log
- maxretry = 6
- #
- # Mail servers
- #
- [postfix]
- enabled = false
- port = smtp,ssmtp
- filter = postfix
- logpath = /var/log/mail.log
- [couriersmtp]
- enabled = false
- port = smtp,ssmtp
- filter = couriersmtp
- logpath = /var/log/mail.log
- #
- # Mail servers authenticators: might be used for smtp,ftp,imap servers, so
- # all relevant ports get banned
- #
- [courierauth]
- enabled = false
- port = smtp,ssmtp,imap2,imap3,imaps,pop3,pop3s
- filter = courierlogin
- logpath = /var/log/mail.log
- [sasl]
- enabled = false
- port = smtp,ssmtp,imap2,imap3,imaps,pop3,pop3s
- filter = sasl
- # You might consider monitoring /var/log/warn.log instead
- # if you are running postfix. See http://bugs.debian.org/507990
- logpath = /var/log/mail.log
- # DNS Servers
- # These jails block attacks against named (bind9). By default, logging is off
- # with bind9 installation. You will need something like this:
- #
- # logging {
- # channel security_file {
- # file "/var/log/named/security.log" versions 3 size 30m;
- # severity dynamic;
- # print-time yes;
- # };
- # category security {
- # security_file;
- # };
- # };
- #
- # in your named.conf to provide proper logging
- # Word of Caution:
- # Given filter can lead to DoS attack against your DNS server
- # since there is no way to assure that UDP packets come from the
- # real source IP
- [named-refused-udp]
- enabled = false
- port = domain,953
- protocol = udp
- filter = named-refused
- logpath = /var/log/named/security.log
- [named-refused-tcp]
- enabled = false
- port = domain,953
- protocol = tcp
- filter = named-refused
- logpath = /var/log/named/security.log
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