diff --git a/config/jail.conf b/config/jail.conf index 670922cc..89c1ce73 100644 --- a/config/jail.conf +++ b/config/jail.conf @@ -87,8 +87,8 @@ action = iptables[name=ProFTPD, port=ftp, protocol=tcp] logpath = /var/log/proftpd/proftpd.log maxretry = 6 -# This jail forces the backend to "polling". +# This jail forces the backend to "polling". [sasl-iptables] enabled = false @@ -98,16 +98,18 @@ action = iptables[name=sasl, port=smtp, protocol=tcp] sendmail-whois[name=sasl, dest=you@example.com] logpath = /var/log/mail.log + # ASSP SMTP Proxy Jail [assp] -enabled = false -filter = assp -action = iptables-multiport[name=assp,port="25,465,587"] -logpath = /root/path/to/assp/logs/maillog.txt + +enabled = false +filter = assp +action = iptables-multiport[name=assp,port="25,465,587"] +logpath = /root/path/to/assp/logs/maillog.txt + # Here we use TCP-Wrappers instead of Netfilter/Iptables. "ignoreregex" is # used to avoid banning the user "myuser". - [ssh-tcpwrapper] enabled = false @@ -117,17 +119,18 @@ action = hostsdeny[daemon_list=sshd] ignoreregex = for myuser from 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] -enabled = false -filter = sshd -action = route -logpath = /var/log/sshd.log +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 # @@ -141,13 +144,16 @@ action = iptables-ipset-proto4[name=SSH, port=ssh, protocol=tcp] logpath = /var/log/sshd.log maxretry = 5 + [ssh-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 + # bsd-ipfw is ipfw used by BSD. It uses ipfw tables. # table number must be unique. # @@ -155,15 +161,16 @@ maxretry = 5 # for the table doesn't ready exist. # [ssh-bsd-ipfw] + enabled = false filter = sshd action = bsd-ipfw[port=ssh,table=1] logpath = /var/log/auth.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 @@ -173,9 +180,9 @@ 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. - [postfix-tcpwrapper] enabled = false @@ -185,9 +192,9 @@ action = hostsdeny[file=/not/a/standard/path/hosts.deny] 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] enabled = false @@ -197,8 +204,8 @@ logpath = /var/log/vsftpd.log maxretry = 5 bantime = 1800 -# Same as above but with banning the IP address. +# Same as above but with banning the IP address. [vsftpd-iptables] enabled = false @@ -209,9 +216,9 @@ logpath = /var/log/vsftpd.log maxretry = 5 bantime = 1800 + # Ban hosts which agent identifies spammer robots crawling the web # for email addresses. The mail outputs are buffered. - [apache-badbots] enabled = false @@ -222,8 +229,8 @@ logpath = /var/www/*/logs/access_log bantime = 172800 maxretry = 1 -# Use shorewall instead of iptables. +# Use shorewall instead of iptables. [apache-shorewall] enabled = false @@ -232,8 +239,8 @@ action = shorewall sendmail[name=Postfix, dest=you@example.com] logpath = /var/log/apache2/error_log -# Monitor roundcube server +# Monitor roundcube server [roundcube-iptables] enabled = false @@ -243,7 +250,6 @@ logpath = /var/log/roundcube/userlogins # Monitor SOGo groupware server - [sogo-iptables] enabled = false @@ -253,41 +259,43 @@ filter = sogo-auth action = iptables-multiport[name=SOGo, port="http,https"] logpath = /var/log/sogo/sogo.log + # Ban attackers that try to use PHP's URL-fopen() functionality # through GET/POST variables. - Experimental, with more than a year # of usage in production environments. - [php-url-fopen] -enabled = false -action = iptables-multiport[name=php-url-open, port="http,https"] -filter = php-url-fopen -logpath = /var/www/*/logs/access_log +enabled = false +action = iptables-multiport[name=php-url-open, port="http,https"] +filter = php-url-fopen +logpath = /var/www/*/logs/access_log maxretry = 1 + [suhosin] -enabled = false -filter = suhosin -action = iptables-multiport[name=suhosin, port="http,https"] +enabled = false +filter = suhosin +action = iptables-multiport[name=suhosin, port="http,https"] # adapt the following two items as needed -logpath = /var/log/lighttpd/error.log +logpath = /var/log/lighttpd/error.log maxretry = 2 + [lighttpd-auth] -enabled = false -filter = lighttpd-auth -action = iptables-multiport[name=lighttpd-auth, port="http,https"] +enabled = false +filter = lighttpd-auth +action = iptables-multiport[name=lighttpd-auth, port="http,https"] # adapt the following two items as needed -logpath = /var/log/lighttpd/error.log +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. - [ssh-ipfw] enabled = false @@ -297,6 +305,7 @@ action = ipfw[localhost=192.168.0.1] logpath = /var/log/auth.log ignoreip = 168.192.0.1 + # These jails block attacks against named (bind9). By default, logging is off # with bind9 installation. You will need something like this: # @@ -332,7 +341,6 @@ ignoreip = 168.192.0.1 # ignoreip = 168.192.0.1 # This jail blocks TCP traffic for DNS requests. - [named-refused-tcp] enabled = false @@ -342,6 +350,7 @@ action = iptables-multiport[name=Named, port="domain,953", protocol=tcp] logpath = /var/log/named/security.log ignoreip = 168.192.0.1 + [asterisk] enabled = false @@ -353,6 +362,7 @@ logpath = /var/log/asterisk/messages maxretry = 10 # Historical support (before https://github.com/fail2ban/fail2ban/issues/37 was fixed ) +# use [asterisk] for new jails [asterisk-tcp] enabled = false @@ -362,6 +372,9 @@ action = iptables-multiport[name=asterisk-tcp, port="5060,5061", protocol=tcp] logpath = /var/log/asterisk/messages maxretry = 10 + +# Historical support (before https://github.com/fail2ban/fail2ban/issues/37 was fixed ) +# use [asterisk] for new jails [asterisk-udp] enabled = false @@ -371,6 +384,7 @@ action = iptables-multiport[name=asterisk-udp, 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 @@ -383,6 +397,7 @@ action = iptables[name=mysql, port=3306, protocol=tcp] logpath = /var/log/mysqld.log maxretry = 5 + # If using mysql syslog [mysql_safe] has syslog in /etc/my.cnf [mysqld-syslog-iptables] @@ -392,6 +407,7 @@ action = iptables[name=mysql, port=3306, protocol=tcp] logpath = /var/log/daemon.log maxretry = 5 + # Jail for more extended banning of persistent abusers # !!! WARNING !!! # Make sure that your loglevel specified in fail2ban.conf/.local @@ -408,14 +424,16 @@ bantime = 604800 ; 1 week findtime = 86400 ; 1 day maxretry = 5 + # PF is a BSD based firewall [ssh-pf] -enabled=false -filter = sshd -action = pf +enabled = false +filter = sshd +action = pf logpath = /var/log/sshd.log -maxretry=5 +maxretry = 5 + [3proxy] @@ -424,70 +442,92 @@ filter = 3proxy action = iptables[name=3proxy, port=3128, protocol=tcp] logpath = /var/log/3proxy.log + [exim] + enabled = false -filter = exim -action = iptables-multiport[name=exim,port="25,465,587"] +filter = exim +action = iptables-multiport[name=exim,port="25,465,587"] logpath = /var/log/exim/mainlog + [exim-spam] + enabled = false filter = exim-spam action = iptables-multiport[name=exim-spam,port="25,465,587"] logpath = /var/log/exim/mainlog + [perdition] + enabled = false filter = perdition action = iptables-multiport[name=perdition,port="110,143,993,995"] logpath = /var/log/maillog + [uwimap-auth] + enabled = false filter = uwimap-auth action = iptables-multiport[name=uwimap-auth,port="110,143,993,995"] logpath = /var/log/maillog + [osx-ssh-ipfw] + enabled = false filter = sshd action = osx-ipfw logpath = /var/log/secure.log + [ssh-apf] + enabled = false filter = sshd action = apf[name=SSH] logpath = /var/log/secure + [osx-ssh-afctl] + enabled = false filter = sshd action = osx-afctl[bantime=600] logpath = /var/log/secure.log + [webmin-auth] + enabled = false filter = webmin-auth action = iptables-multiport[name=webmin,port="10000"] logpath = /var/log/auth.log + # dovecot defaults to logging to the mail syslog facility # but can be set by syslog_facility in the dovecot configuration. [dovecot] + enabled = false filter = dovecot action = iptables-multiport[name=dovecot, port="pop3,pop3s,imap,imaps,submission,smtps,sieve", protocol=tcp] logpath = /var/log/mail.log + [dovecot-auth] + enabled = false filter = dovecot action = iptables-multiport[name=dovecot-auth, port="pop3,pop3s,imap,imaps,submission,smtps,sieve", protocol=tcp] logpath = /var/log/secure + [selinux-ssh] enabled = false filter = selinux-ssh action = iptables[name=SELINUX-SSH, port=ssh, protocol=tcp] logpath = /var/log/audit/audit.log +