RF: jail.conf with entries from Debian's copy and changing existing ones to conform the "template"

our unittests fail now -- will BF later
12 years ago · 4665ac6b27
parent 9a14cf8b7b
commit 4665ac6b27
1 changed files with 295 additions and 135 deletions
--- a/config/jail.conf
+++ b/config/jail.conf
@ -1,9 +1,13 @@
 # Fail2Ban jail specifications file
 #
+# WARNING: heavily refactored in 0.9.0 release.  Please review and
+#          customize settings for your setup.
+#
 # Comments: use '#' for comment lines and ';' for inline comments
 #
 # Changes:  in most of the cases you should not modify this
-#           file, but provide customizations in jail.local file, e.g.:
+#           file, but provide customizations in jail.local file,
+#           or separate .conf files under jail.d/ directory, e.g.:
 #
 # [DEFAULT]
 # bantime = 3600
@ -11,12 +15,17 @@
 # [ssh-iptables]
 # enabled = true
 #
+# See jail.conf(5) man page for more information

 # The DEFAULT allows a global definition of the options. They can be overridden
 # in each jail afterwards.

 [DEFAULT]

+#
+# MISCELANEOUS OPTIONS
+#
+
 # "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.
@ -30,7 +39,7 @@ bantime  = 600
 findtime  = 600

 # "maxretry" is the number of failures before a host get banned.
-maxretry = 3
+maxretry = 5

 # "maxlines" is number of log lines to buffer for multi-line regex searches
 maxlines = 1
@ -66,43 +75,113 @@ usedns = warn
 logencoding = auto


-# This jail corresponds to the standard configuration in Fail2ban 0.6.
-# The mail-whois action send a notification e-mail with a whois request
-# in the body.
+#
+# ACTIONS
+#
+
+#
+# Destination email address used solely for the interpolations in
+# jail.{conf,local} configuration files.
+destemail = root@localhost
+
+# 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 = iptables-multiport

-[ssh-iptables]
+# E-mail action. Since 0.8.1 Fail2Ban uses sendmail MTA for the
+# mailing. Change mta configuration parameter to mail if you want to
+# revert to conventional 'mail'.
+mta = sendmail

-enabled  = false
+# Default protocol
+protocol = tcp
+
+# Specify chain where jumps would need to be added in iptables-* actions
+chain = INPUT
+
+#
+# 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"]
+
+# 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"]
+
+# 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
+#
+
+#
+# SSH servers
+#
+
+[sshd]
+
+enabled  = true
+port     = ssh
 filter   = sshd
-action   = iptables[name=SSH, port=ssh, protocol=tcp]
-           sendmail-whois[name=SSH, dest=you@example.com, sender=fail2ban@example.com]
-logpath  = /var/log/sshd.log
-maxretry = 5
+logpath  = /var/log/auth.log
+		   /var/log/sshd.log

-[proftpd-iptables]
+[sshd-ddos]

 enabled  = false
-filter   = proftpd
-action   = iptables[name=ProFTPD, port=ftp, protocol=tcp]
-           sendmail-whois[name=ProFTPD, dest=you@example.com]
-logpath  = /var/log/proftpd/proftpd.log
-maxretry = 6
+port     = ssh
+filter   = sshd-ddos
+logpath  = /var/log/auth.log
+		   /var/log/sshd.log
+
+[dropbear]

-# This jail forces the backend to "polling".
+enabled  = false
+port     = ssh
+filter   = sshd
+logpath  = /var/log/dropbear
+
+
+# Generic filter for PAM. Has to be used with action which bans all
+# ports such as iptables-allports, shorewall

-[sasl-iptables]
+[pam-generic]

 enabled  = false
-filter   = sasl
-backend  = polling
-action   = iptables[name=sasl, port=smtp, protocol=tcp]
-           sendmail-whois[name=sasl, dest=you@example.com]
-logpath  = /var/log/mail.log
+# pam-generic filter can be customized to monitor specific subset of 'tty's
+filter   = pam-generic
+banaction = iptables-allports
+# port actually must be irrelevant but lets leave it all for some possible uses
+port     = anyport
+logpath  = /var/log/auth.log
+
+[xinetd-fail]
+
+enabled   = false
+filter    = xinetd-fail
+port      = all
+banaction = iptables-multiport-log
+logpath   = /var/log/daemon.log
+maxretry  = 2
+
+# .. custom jails

 # Here we use TCP-Wrappers instead of Netfilter/Iptables. "ignoreregex" is
 # used to avoid banning the user "myuser".

-[ssh-tcpwrapper]
+[sshd-tcpwrapper]

 enabled     = false
 filter      = sshd
@ -114,81 +193,57 @@ logpath     = /var/log/sshd.log
 # Here we use blackhole routes for not requiring any additional kernel support
 # to store large volumes of banned IPs

-[ssh-route]
+[sshd-route]

 enabled = false
 filter = sshd
 action = route
 logpath = /var/log/sshd.log
-maxretry = 5

 # Here we use a combination of Netfilter/Iptables and IPsets
 # for storing large volumes of banned IPs
 #
 # IPset comes in two versions. See ipset -V for which one to use
 # requires the ipset package and kernel support.
-[ssh-iptables-ipset4]
+[sshd-iptables-ipset4]

 enabled  = false
 filter   = sshd
 action   = iptables-ipset-proto4[name=SSH, port=ssh, protocol=tcp]
 logpath  = /var/log/sshd.log
-maxretry = 5

-[ssh-iptables-ipset6]
+[sshd-iptables-ipset6]
+
 enabled  = false
 filter   = sshd
 action   = iptables-ipset-proto6[name=SSH, port=ssh, protocol=tcp, bantime=600]
 logpath  = /var/log/sshd.log
-maxretry = 5
-
-# This jail demonstrates the use of wildcards in "logpath".
-# Moreover, it is possible to give other files on a new line.
-
-[apache-tcpwrapper]
-
-enabled  = false
-filter	 = apache-auth
-action   = hostsdeny
-logpath  = /var/log/apache*/*error.log
-           /home/www/myhomepage/error.log
-maxretry = 6

-# The hosts.deny path can be defined with the "file" argument if it is
-# not in /etc.
+# 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.

-[postfix-tcpwrapper]
+[sshd-ipfw]

 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
-
-# Do not ban anybody. Just report information about the remote host.
-# A notification is sent at most every 600 seconds (bantime).
-
-[vsftpd-notification]
+filter   = sshd
+action   = ipfw[localhost=192.168.0.1]
+           sendmail-whois[name="SSH,IPFW", dest=you@example.com]
+logpath  = /var/log/auth.log
+ignoreip = 168.192.0.1

-enabled  = false
-filter   = vsftpd
-action   = sendmail-whois[name=VSFTPD, dest=you@example.com]
-logpath  = /var/log/vsftpd.log
-maxretry = 5
-bantime  = 1800

-# Same as above but with banning the IP address.
+#
+# HTTP servers
+#

-[vsftpd-iptables]
+[apache-auth]

 enabled  = false
-filter   = vsftpd
-action   = iptables[name=VSFTPD, port=ftp, protocol=tcp]
-           sendmail-whois[name=VSFTPD, dest=you@example.com]
-logpath  = /var/log/vsftpd.log
-maxretry = 5
-bantime  = 1800
+port     = http,https
+filter   = apache-auth
+logpath  = /var/log/apache*/*error.log

 # Ban hosts which agent identifies spammer robots crawling the web
 # for email addresses. The mail outputs are buffered.
@ -196,45 +251,28 @@ bantime  = 1800
 [apache-badbots]

 enabled  = false
+port     = http,https
 filter   = apache-badbots
-action   = iptables-multiport[name=BadBots, port="http,https"]
-           sendmail-buffered[name=BadBots, lines=5, dest=you@example.com]
-logpath  = /var/www/*/logs/access_log
+logpath  = /var/log/apache*/*access.log
+		   /var/www/*/logs/access_log
 bantime  = 172800
 maxretry = 1

-# Use shorewall instead of iptables.
-
-[apache-shorewall]
+[apache-noscript]

 enabled  = false
+port     = http,https
 filter   = apache-noscript
-action   = shorewall
-           sendmail[name=Postfix, dest=you@example.com]
-logpath  = /var/log/apache2/error_log
-
-# Monitor roundcube server
-
-[roundcube-iptables]
-
-enabled  = false
-filter   = roundcube-auth
-action   = iptables[name=RoundCube, port="http,https"]
-logpath  = /var/log/roundcube/userlogins
-
-
-# Monitor SOGo groupware server
+logpath  = /var/log/apache*/*error.log
+maxretry = 6

-[sogo-iptables]
+[apache-overflows]

 enabled  = false
-filter   = sogo-auth
-port     = http, https
-# without proxy this would be:
-# port    = 20000
-
-action   = iptables[name=SOGo, port="http,https"]
-logpath  = /var/log/sogo/sogo.log
+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
@ -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