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# Fail2Ban configuration file
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#
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# Author: Cyril Jaquier
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#
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# $Revision$
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#
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# The DEFAULT allows a global definition of the options. They can be override
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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
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# "bantime" is the number of seconds that a host is banned.
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bantime = 600
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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 = 600
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# "maxretry" is the number of failures before a host get banned.
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maxretry = 3
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# "backend" specifies the backend used to get files modification. Available
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# options are "gamin", "polling" and "auto". This option can be overridden in
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# each jail too (use "gamin" for a jail and "polling" for another).
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#
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# gamin: requires Gamin (a file alteration monitor) to be installed. If Gamin
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# is not installed, Fail2ban will use polling.
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# polling: uses a polling algorithm which does not require external libraries.
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# auto: will choose Gamin if available and polling otherwise.
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backend = auto
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# This jail corresponds to the standard configuration in Fail2ban 0.6.
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# The mail-whois action send a notification e-mail with a whois request
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# in the body.
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[ssh-iptables]
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enabled = false
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filter = sshd
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action = iptables[name=SSH, port=ssh, protocol=tcp]
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sendmail-whois[name=SSH, dest=you@mail.com, sender=fail2ban@mail.com]
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logpath = /var/log/sshd.log
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maxretry = 5
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[proftpd-iptables]
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enabled = false
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filter = proftpd
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action = iptables[name=ProFTPD, port=ftp, protocol=tcp]
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sendmail-whois[name=ProFTPD, dest=you@mail.com]
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logpath = /var/log/proftpd/proftpd.log
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maxretry = 6
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# This jail forces the backend to "polling".
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[sasl-iptables]
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enabled = false
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filter = sasl
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backend = polling
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action = iptables[name=sasl, port=smtp, protocol=tcp]
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sendmail-whois[name=sasl, dest=you@mail.com]
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logpath = /var/log/mail.log
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# Here we use TCP-Wrappers instead of Netfilter/Iptables. "ignoreregex" is
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# used to avoid banning the user "myuser".
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[ssh-tcpwrapper]
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enabled = false
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filter = sshd
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action = hostsdeny
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sendmail-whois[name=SSH, dest=you@mail.com]
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ignoreregex = for myuser from
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logpath = /var/log/sshd.log
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# This jail demonstrates the use of wildcards in "logpath".
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# Moreover, it is possible to give other files on a new line.
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[apache-tcpwrapper]
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enabled = false
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filter = apache-auth
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action = hostsdeny
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logpath = /var/log/apache*/*error.log
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/home/www/myhomepage/error.log
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maxretry = 6
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# The hosts.deny path can be defined with the "file" argument if it is
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# not in /etc.
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[postfix-tcpwrapper]
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enabled = false
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filter = postfix
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action = hostsdeny[file=/not/a/standard/path/hosts.deny]
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sendmail[name=Postfix, dest=you@mail.com]
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logpath = /var/log/postfix.log
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bantime = 300
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# Do not ban anybody. Just report information about the remote host.
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# A notification is sent at most every 600 seconds (bantime).
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[vsftpd-notification]
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enabled = false
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filter = vsftpd
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action = sendmail-whois[name=VSFTPD, dest=you@mail.com]
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logpath = /var/log/vsftpd.log
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maxretry = 5
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bantime = 1800
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# Same as above but with banning the IP address.
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[vsftpd-iptables]
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enabled = false
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filter = vsftpd
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action = iptables[name=VSFTPD, port=ftp, protocol=tcp]
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sendmail-whois[name=VSFTPD, dest=you@mail.com]
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logpath = /var/log/vsftpd.log
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maxretry = 5
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bantime = 1800
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# Ban hosts which agent identifies spammer robots crawling the web
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# for email addresses. The mail outputs are buffered.
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[apache-badbots]
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enabled = false
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filter = apache-badbots
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action = iptables-multiport[name=BadBots, port="http,https"]
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sendmail-buffered[name=BadBots, lines=5, dest=you@mail.com]
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logpath = /var/www/*/logs/access_log
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bantime = 172800
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maxretry = 1
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# Use shorewall instead of iptables.
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[apache-shorewall]
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enabled = false
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filter = apache-noscript
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action = shorewall
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sendmail[name=Postfix, dest=you@mail.com]
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logpath = /var/log/apache2/error_log
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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 = false
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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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maxretry = 1
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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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# This jail would block the IP 1.2.3.4.
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[lighttpd-fastcgi]
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enabled = false
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port = http,https
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filter = lighttpd-fastcgi
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# adapt the following two items as needed
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logpath = /var/log/lighttpd/error.log
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maxretry = 2
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# This jail uses ipfw, the standard firewall on FreeBSD. The "ignoreip"
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# option is overridden in this jail. Moreover, the action "mail-whois" defines
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# the variable "name" which contains a comma using "". The characters '' are
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# valid too.
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[ssh-ipfw]
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enabled = false
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filter = sshd
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action = ipfw[localhost=192.168.0.1]
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sendmail-whois[name="SSH,IPFW", dest=you@mail.com]
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logpath = /var/log/auth.log
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ignoreip = 168.192.0.1
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# These jails block attacks against named (bind9). By default, logging is off
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# with bind9 installation. You will need something like this:
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#
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# logging {
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# channel security_file {
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# file "/var/log/named/security.log" versions 3 size 30m;
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# severity dynamic;
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# print-time yes;
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# };
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# category security {
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# security_file;
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# };
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# };
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#
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# in your named.conf to provide proper logging.
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# This jail blocks UDP traffic for DNS requests.
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# !!! WARNING !!!
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# Since UDP is connectionless protocol, spoofing of IP and immitation
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# of illegal actions is way too simple. Thus enabling of this filter
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# might provide an easy way for implementing a DoS against a chosen
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# victim. See
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# http://nion.modprobe.de/blog/archives/690-fail2ban-+-dns-fail.html
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# Please DO NOT USE this jail unless you know what you are doing.
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#
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# [named-refused-udp]
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#
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# enabled = false
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# filter = named-refused
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# action = iptables-multiport[name=Named, port="domain,953", protocol=udp]
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# sendmail-whois[name=Named, dest=you@mail.com]
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# logpath = /var/log/named/security.log
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# ignoreip = 168.192.0.1
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# This jail blocks TCP traffic for DNS requests.
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[named-refused-tcp]
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enabled = false
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filter = named-refused
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action = iptables-multiport[name=Named, port="domain,953", protocol=tcp]
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sendmail-whois[name=Named, dest=you@mail.com]
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logpath = /var/log/named/security.log
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ignoreip = 168.192.0.1
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