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@ -1,9 +1,13 @@
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# Fail2Ban jail specifications file
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#
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# WARNING: heavily refactored in 0.9.0 release. Please review and
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# customize settings for your setup.
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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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# Changes: in most of the cases you should not modify this
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# file, but provide customizations in jail.local file, e.g.:
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# file, but provide customizations in jail.local file,
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# or separate .conf files under jail.d/ directory, e.g.:
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#
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# [DEFAULT]
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# bantime = 3600
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@ -11,12 +15,17 @@
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# [ssh-iptables]
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# enabled = true
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#
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# See jail.conf(5) man page for more information
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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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#
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# MISCELANEOUS OPTIONS
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#
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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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@ -30,7 +39,7 @@ bantime = 600
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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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maxretry = 5
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# "maxlines" is number of log lines to buffer for multi-line regex searches
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maxlines = 1
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@ -66,43 +75,113 @@ usedns = warn
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logencoding = 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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#
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# ACTIONS
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#
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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 = root@localhost
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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 = iptables-multiport
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[ssh-iptables]
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# E-mail action. Since 0.8.1 Fail2Ban uses sendmail MTA for the
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# mailing. Change mta configuration parameter to mail if you want to
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# revert to conventional 'mail'.
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mta = sendmail
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enabled = false
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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 = INPUT
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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"]
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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"]
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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 = %(action_)s
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#
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# JAILS
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#
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#
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# SSH servers
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#
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[sshd]
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enabled = true
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port = ssh
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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@example.com, sender=fail2ban@example.com]
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logpath = /var/log/sshd.log
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maxretry = 5
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logpath = /var/log/auth.log
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/var/log/sshd.log
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[proftpd-iptables]
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[sshd-ddos]
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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@example.com]
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logpath = /var/log/proftpd/proftpd.log
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maxretry = 6
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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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/var/log/sshd.log
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[dropbear]
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# This jail forces the backend to "polling".
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enabled = false
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port = ssh
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filter = sshd
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logpath = /var/log/dropbear
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# Generic filter for PAM. Has to be used with action which bans all
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# ports such as iptables-allports, shorewall
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[sasl-iptables]
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[pam-generic]
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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@example.com]
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logpath = /var/log/mail.log
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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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banaction = iptables-allports
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# port actually must be irrelevant but lets leave it all for some possible uses
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port = anyport
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logpath = /var/log/auth.log
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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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# .. custom jails
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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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[sshd-tcpwrapper]
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enabled = false
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filter = sshd
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@ -114,81 +193,57 @@ logpath = /var/log/sshd.log
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# Here we use blackhole routes for not requiring any additional kernel support
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# to store large volumes of banned IPs
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[ssh-route]
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[sshd-route]
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enabled = false
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filter = sshd
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action = route
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logpath = /var/log/sshd.log
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maxretry = 5
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# Here we use a combination of Netfilter/Iptables and IPsets
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# for storing large volumes of banned IPs
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#
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# IPset comes in two versions. See ipset -V for which one to use
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# requires the ipset package and kernel support.
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[ssh-iptables-ipset4]
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[sshd-iptables-ipset4]
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enabled = false
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filter = sshd
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action = iptables-ipset-proto4[name=SSH, port=ssh, protocol=tcp]
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logpath = /var/log/sshd.log
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maxretry = 5
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[ssh-iptables-ipset6]
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[sshd-iptables-ipset6]
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enabled = false
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filter = sshd
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action = iptables-ipset-proto6[name=SSH, port=ssh, protocol=tcp, bantime=600]
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logpath = /var/log/sshd.log
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maxretry = 5
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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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# 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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[postfix-tcpwrapper]
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[sshd-ipfw]
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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@example.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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filter = sshd
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action = ipfw[localhost=192.168.0.1]
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sendmail-whois[name="SSH,IPFW", dest=you@example.com]
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logpath = /var/log/auth.log
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ignoreip = 168.192.0.1
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enabled = false
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filter = vsftpd
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action = sendmail-whois[name=VSFTPD, dest=you@example.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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#
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# HTTP servers
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#
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[vsftpd-iptables]
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[apache-auth]
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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@example.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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port = http,https
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filter = apache-auth
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logpath = /var/log/apache*/*error.log
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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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@ -196,45 +251,28 @@ bantime = 1800
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[apache-badbots]
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enabled = false
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port = http,https
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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@example.com]
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logpath = /var/www/*/logs/access_log
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logpath = /var/log/apache*/*access.log
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/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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[apache-noscript]
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enabled = false
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port = http,https
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filter = apache-noscript
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action = shorewall
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sendmail[name=Postfix, dest=you@example.com]
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logpath = /var/log/apache2/error_log
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# Monitor roundcube server
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[roundcube-iptables]
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enabled = false
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filter = roundcube-auth
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action = iptables[name=RoundCube, port="http,https"]
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logpath = /var/log/roundcube/userlogins
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# Monitor SOGo groupware server
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logpath = /var/log/apache*/*error.log
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maxretry = 6
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[sogo-iptables]
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[apache-overflows]
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enabled = false
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filter = sogo-auth
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port = http, https
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# without proxy this would be:
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# port = 20000
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action = iptables[name=SOGo, port="http,https"]
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logpath = /var/log/sogo/sogo.log
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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
|
|
|
|
|
|
|
|
|
|
# Ban attackers that try to use PHP's URL-fopen() functionality
|
|
|
|
|
# through GET/POST variables. - Experimental, with more than a year
|
|
|
|
@ -246,49 +284,172 @@ enabled = false
|
|
|
|
|
port = http,https
|
|
|
|
|
filter = php-url-fopen
|
|
|
|
|
logpath = /var/www/*/logs/access_log
|
|
|
|
|
maxretry = 1
|
|
|
|
|
|
|
|
|
|
# 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')
|
|
|
|
|
# This jail would block the IP 1.2.3.4.
|
|
|
|
|
# ALERT – tried to register forbidden variable ‘GLOBALS’
|
|
|
|
|
# through GET variables (attacker '1.2.3.4', file '/var/www/default/htdocs/index.php')
|
|
|
|
|
|
|
|
|
|
[lighttpd-fastcgi]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
port = http,https
|
|
|
|
|
filter = lighttpd-fastcgi
|
|
|
|
|
# adapt the following two items as needed
|
|
|
|
|
logpath = /var/log/lighttpd/error.log
|
|
|
|
|
maxretry = 2
|
|
|
|
|
|
|
|
|
|
# Same as above for mod_auth
|
|
|
|
|
# It catches wrong authentications
|
|
|
|
|
# It catches wrong authentifications
|
|
|
|
|
|
|
|
|
|
[lighttpd-auth]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
port = http,https
|
|
|
|
|
filter = lighttpd-auth
|
|
|
|
|
# adapt the following two items as needed
|
|
|
|
|
logpath = /var/log/lighttpd/error.log
|
|
|
|
|
maxretry = 2
|
|
|
|
|
|
|
|
|
|
# This jail uses ipfw, the standard firewall on FreeBSD. The "ignoreip"
|
|
|
|
|
# option is overridden in this jail. Moreover, the action "mail-whois" defines
|
|
|
|
|
# the variable "name" which contains a comma using "". The characters '' are
|
|
|
|
|
# valid too.
|
|
|
|
|
[roundcube-auth]
|
|
|
|
|
|
|
|
|
|
[ssh-ipfw]
|
|
|
|
|
enabled = false
|
|
|
|
|
port = http,https
|
|
|
|
|
filter = roundcube-auth
|
|
|
|
|
logpath = /var/log/roundcube/userlogins
|
|
|
|
|
|
|
|
|
|
[sogo-auth]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
filter = sshd
|
|
|
|
|
action = ipfw[localhost=192.168.0.1]
|
|
|
|
|
sendmail-whois[name="SSH,IPFW", dest=you@example.com]
|
|
|
|
|
filter = sogo-auth
|
|
|
|
|
port = http,https
|
|
|
|
|
# without proxy this would be:
|
|
|
|
|
# port = 20000
|
|
|
|
|
logpath = /var/log/sogo/sogo.log
|
|
|
|
|
|
|
|
|
|
# ... custom jails
|
|
|
|
|
|
|
|
|
|
[apache-tcpwrapper]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
filter = apache-auth
|
|
|
|
|
action = hostsdeny
|
|
|
|
|
logpath = /var/log/apache*/*error.log
|
|
|
|
|
maxretry = 6
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#
|
|
|
|
|
# FTP servers
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
[proftpd]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
port = ftp,ftp-data,ftps,ftps-data
|
|
|
|
|
filter = proftpd
|
|
|
|
|
logpath = /var/log/proftpd/proftpd.log
|
|
|
|
|
|
|
|
|
|
[pure-ftpd]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
port = ftp,ftp-data,ftps,ftps-data
|
|
|
|
|
filter = pure-ftpd
|
|
|
|
|
logpath = /var/log/auth.log
|
|
|
|
|
ignoreip = 168.192.0.1
|
|
|
|
|
maxretry = 6
|
|
|
|
|
|
|
|
|
|
[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
|
|
|
|
|
|
|
|
|
|
# Do not ban anybody. Just report information about the remote host.
|
|
|
|
|
# A notification is sent at most every 600 seconds (bantime).
|
|
|
|
|
|
|
|
|
|
[vsftpd-notification]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
filter = vsftpd
|
|
|
|
|
action = sendmail-whois[name=VSFTPD, dest=you@example.com]
|
|
|
|
|
logpath = /var/log/vsftpd.log
|
|
|
|
|
maxretry = 5
|
|
|
|
|
bantime = 1800
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
[wuftpd]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
port = ftp,ftp-data,ftps,ftps-data
|
|
|
|
|
filter = wuftpd
|
|
|
|
|
logpath = /var/log/syslog
|
|
|
|
|
maxretry = 6
|
|
|
|
|
|
|
|
|
|
#
|
|
|
|
|
# Mail servers
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
[couriersmtp]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
port = smtp,ssmtp
|
|
|
|
|
filter = couriersmtp
|
|
|
|
|
logpath = /var/log/mail.log
|
|
|
|
|
|
|
|
|
|
[postfix]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
port = smtp,ssmtp
|
|
|
|
|
filter = postfix
|
|
|
|
|
logpath = /var/log/mail.log
|
|
|
|
|
|
|
|
|
|
# The hosts.deny path can be defined with the "file" argument if it is
|
|
|
|
|
# not in /etc.
|
|
|
|
|
|
|
|
|
|
[postfix-tcpwrapper]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
filter = postfix
|
|
|
|
|
action = hostsdeny[file=/not/a/standard/path/hosts.deny]
|
|
|
|
|
sendmail[name=Postfix, dest=you@example.com]
|
|
|
|
|
logpath = /var/log/postfix.log
|
|
|
|
|
bantime = 300
|
|
|
|
|
|
|
|
|
|
#
|
|
|
|
|
# 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/mail.warn instead if you are
|
|
|
|
|
# running postfix since it would provide the same log lines at the
|
|
|
|
|
# "warn" level but overall at the smaller filesize.
|
|
|
|
|
logpath = /var/log/mail.log
|
|
|
|
|
|
|
|
|
|
[dovecot]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
port = smtp,ssmtp,imap2,imap3,imaps,pop3,pop3s
|
|
|
|
|
filter = dovecot
|
|
|
|
|
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:
|
|
|
|
@ -319,30 +480,33 @@ ignoreip = 168.192.0.1
|
|
|
|
|
#
|
|
|
|
|
# enabled = false
|
|
|
|
|
# filter = named-refused
|
|
|
|
|
# action = iptables-multiport[name=Named, port="domain,953", protocol=udp]
|
|
|
|
|
# sendmail-whois[name=Named, dest=you@example.com]
|
|
|
|
|
# port = domain,953
|
|
|
|
|
# protocol = udp
|
|
|
|
|
# logpath = /var/log/named/security.log
|
|
|
|
|
# ignoreip = 168.192.0.1
|
|
|
|
|
|
|
|
|
|
# This jail blocks TCP traffic for DNS requests.
|
|
|
|
|
|
|
|
|
|
[named-refused-tcp]
|
|
|
|
|
[named-refused]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
filter = named-refused
|
|
|
|
|
action = iptables-multiport[name=Named, port="domain,953", protocol=tcp]
|
|
|
|
|
sendmail-whois[name=Named, dest=you@example.com]
|
|
|
|
|
port = domain,953
|
|
|
|
|
logpath = /var/log/named/security.log
|
|
|
|
|
ignoreip = 168.192.0.1
|
|
|
|
|
|
|
|
|
|
#
|
|
|
|
|
# Miscelaneous
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
# Multiple jails, 1 per protocol, are necessary ATM:
|
|
|
|
|
# see https://github.com/fail2ban/fail2ban/issues/37
|
|
|
|
|
[asterisk-tcp]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
filter = asterisk
|
|
|
|
|
action = iptables-multiport[name=asterisk-tcp, port="5060,5061", protocol=tcp]
|
|
|
|
|
sendmail-whois[name=Asterisk, dest=you@example.com, sender=fail2ban@example.com]
|
|
|
|
|
port = 5060,5061
|
|
|
|
|
protocol = tcp
|
|
|
|
|
logpath = /var/log/asterisk/messages
|
|
|
|
|
maxretry = 10
|
|
|
|
|
|
|
|
|
@ -350,31 +514,27 @@ maxretry = 10
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
filter = asterisk
|
|
|
|
|
action = iptables-multiport[name=asterisk-udp, port="5060,5061", protocol=udp]
|
|
|
|
|
sendmail-whois[name=Asterisk, dest=you@example.com, sender=fail2ban@example.com]
|
|
|
|
|
port = 5060,5061
|
|
|
|
|
protocol = udp
|
|
|
|
|
logpath = /var/log/asterisk/messages
|
|
|
|
|
maxretry = 10
|
|
|
|
|
|
|
|
|
|
# To log wrong MySQL access attempts add to /etc/my.cnf:
|
|
|
|
|
# log-error=/var/log/mysqld.log
|
|
|
|
|
# log-warning = 2
|
|
|
|
|
[mysqld-iptables]
|
|
|
|
|
[mysqld-auth]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
filter = mysqld-auth
|
|
|
|
|
action = iptables[name=mysql, port=3306, protocol=tcp]
|
|
|
|
|
sendmail-whois[name=MySQL, dest=root, sender=fail2ban@example.com]
|
|
|
|
|
port = 3306
|
|
|
|
|
logpath = /var/log/mysqld.log
|
|
|
|
|
maxretry = 5
|
|
|
|
|
|
|
|
|
|
[guacamole-iptables]
|
|
|
|
|
[guacamole]
|
|
|
|
|
|
|
|
|
|
enabled = false
|
|
|
|
|
filter = guacamole
|
|
|
|
|
action = iptables-multiport[name=Guacmole, port="http,https"]
|
|
|
|
|
sendmail-whois[name=Guacamole, dest=root, sender=fail2ban@example.com]
|
|
|
|
|
port = http,https
|
|
|
|
|
logpath = /var/log/tomcat*/catalina.out
|
|
|
|
|
maxretry = 5
|
|
|
|
|
maxlines = 2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|