- Fixed #152

- Moved Fail2ban to 0.9.x because OS version was buggy
- Improved documentation
- Reduce image size

Dockerfile

@@ -2,12 +2,16 @@ FROM ubuntu:14.04
 MAINTAINER Thomas VIAL
 
 # Packages
-RUN apt-get update -q --fix-missing
+RUN DEBIAN_FRONTEND=noninteractive apt-get update -q --fix-missing && \
-RUN apt-get -y upgrade
+	apt-get -y upgrade && \
-RUN DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends \
+	apt-get -y install --no-install-recommends \
 	postfix dovecot-core dovecot-imapd dovecot-pop3d gamin amavisd-new spamassassin razor pyzor \
 	clamav clamav-daemon libnet-dns-perl libmail-spf-perl bzip2 file gzip p7zip unzip zip rsyslog \
-    opendkim opendkim-tools opendmarc curl fail2ban ed && apt-get autoclean && rm -rf /var/lib/apt/lists/*
+    opendkim opendkim-tools opendmarc curl fail2ban ed iptables && \
+	curl -sk http://neuro.debian.net/lists/trusty.de-m.libre > /etc/apt/sources.list.d/neurodebian.sources.list && \
+	apt-key adv --recv-keys --keyserver hkp://pgp.mit.edu:80 0xA5D32F012649A5A9 && \
+	apt-get update -q --fix-missing && apt-get -y upgrade fail2ban && \
+    apt-get autoclean && rm -rf /var/lib/apt/lists/*
 
 # Configures Dovecot
 RUN sed -i -e 's/include_try \/usr\/share\/dovecot\/protocols\.d/include_try \/etc\/dovecot\/protocols\.d/g' /etc/dovecot/dovecot.conf
@@ -25,12 +29,12 @@ RUN useradd -u 5000 -d /home/docker -s /bin/bash -p $(echo docker | openssl pass
 
 # Configure Fail2ban
 ADD target/fail2ban/jail.conf /etc/fail2ban/jail.conf
-ADD target/fail2ban/filters.d/dovecot.conf /etc/fail2ban/filters.d/dovecot.conf
+# ADD target/fail2ban/filter.d/dovecot.conf /etc/fail2ban/filter.d/dovecot.conf
-RUN echo "ignoreregex =" >> /etc/fail2ban/filter.d/postfix-sasl.conf
+# RUN echo "ignoreregex =" >> /etc/fail2ban/filter.d/postfix-sasl.conf
 
 # Enables Clamav
 RUN chmod 644 /etc/clamav/freshclam.conf
-RUN (crontab; echo "0 1 * * * /usr/bin/freshclam --quiet") | sort - | uniq - | crontab -
+RUN (crontab; echo "0 0,6,12,18 * * * /usr/bin/freshclam --quiet") | sort - | uniq - | crontab -
 RUN freshclam
 
 # Enables Pyzor and Razor

Makefile

@@ -37,6 +37,7 @@ run:
 		-v "`pwd`/test/config":/tmp/docker-mailserver \
 		-v "`pwd`/test":/tmp/docker-mailserver-test \
 		-e ENABLE_FAIL2BAN=1 \
+		--cap-add=NET_ADMIN \
 		-h mail.my-domain.com -t $(NAME)
 	# Wait for containers to fully start
 	sleep 15

README.md

@@ -134,6 +134,13 @@ Value in **bold** is the default value.
   - **empty** => fail2ban service disabled
   - 1 => Enables fail2ban service
 
+If you enable Fail2Ban, don't forget to add the following lines to your `docker-compose.yml`:
+
+    cap_add:
+      - NET_ADMIN
+
+Otherwise, `iptables` won't be able to ban IPs.
+
 ##### SA_TAG
 
   - **2.0** => add spam info headers if at, or above that level

target/fail2ban/jail.conf

@@ -1,78 +1,139 @@
-# Fail2Ban configuration file.
 #
-# This file was composed for Debian systems from the original one
+# WARNING: heavily refactored in 0.9.0 release.  Please review and
-# provided now under /usr/share/doc/fail2ban/examples/jail.conf
+#          customize settings for your setup.
-# for additional examples.
 #
-# 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,
+#           or separate .conf files under jail.d/ directory, e.g.:
 #
-# To avoid merges during upgrades DO NOT MODIFY THIS FILE
+# HOW TO ACTIVATE JAILS:
-# and rather provide your changes in /etc/fail2ban/jail.local
 #
+# YOU SHOULD NOT MODIFY THIS FILE.
+#
+# It will probably be overwritten or improved in a distribution update.
+#
+# Provide customizations in a jail.local file or a jail.d/customisation.local.
+# For example to change the default bantime for all jails and to enable the
+# ssh-iptables jail the following (uncommented) would appear in the .local file.
+# See man 5 jail.conf for details.
+#
+# [DEFAULT]
+# bantime = 3600
+#
+# [sshd]
+# enabled = true
+#
+# See jail.conf(5) man page for more information
+
+
+
+# Comments: use '#' for comment lines and ';' (following a space) for inline comments
+
+
+[INCLUDES]
+
+#before = paths-distro.conf
+before = paths-debian.conf
 
 # The DEFAULT allows a global definition of the options. They can be overridden
 # in each jail afterwards.
 
 [DEFAULT]
 
+#
+# MISCELLANEOUS 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.
+# defined using space (and/or comma) separator.
 ignoreip = 127.0.0.1/8
 
+# External command that will take an tagged arguments to ignore, e.g. <ip>,
+# and return true if the IP is to be ignored. False otherwise.
+#
+# ignorecommand = /path/to/command <ip>
+ignorecommand =
+
 # "bantime" is the number of seconds that a host is banned.
-bantime = 10800
+bantime  = 10800
 
 # A host is banned if it has generated "maxretry" during the last "findtime"
 # seconds.
-findtime = 10800
+findtime  = 600
+
+# "maxretry" is the number of failures before a host get banned.
 maxretry = 3
 
 # "backend" specifies the backend used to get files modification.
-# Available options are "pyinotify", "gamin", "polling" and "auto".
+# Available options are "pyinotify", "gamin", "polling", "systemd" and "auto".
 # This option can be overridden in each jail as well.
 #
 # pyinotify: requires pyinotify (a file alteration monitor) to be installed.
-#            If pyinotify is not installed, Fail2ban will use auto.
+#              If pyinotify is not installed, Fail2ban will use auto.
 # gamin:     requires Gamin (a file alteration monitor) to be installed.
-#            If Gamin is not installed, Fail2ban will use auto.
+#              If Gamin is not installed, Fail2ban will use auto.
 # polling:   uses a polling algorithm which does not require external libraries.
+# systemd:   uses systemd python library to access the systemd journal.
+#              Specifying "logpath" is not valid for this backend.
+#              See "journalmatch" in the jails associated filter config
 # auto:      will try to use the following backends, in order:
-#            pyinotify, gamin, polling.
+#              pyinotify, gamin, polling.
-backend = gamin
+#
+# Note: if systemd backend is chosen as the default but you enable a jail
+#       for which logs are present only in its own log files, specify some other
+#       backend for that jail (e.g. polling) and provide empty value for
+#       journalmatch. See https://github.com/fail2ban/fail2ban/issues/959#issuecomment-74901200
+backend = auto
 
 # "usedns" specifies if jails should trust hostnames in logs,
-#   warn when reverse DNS lookups are performed, or ignore all hostnames in logs
+#   warn when DNS lookups are performed, or ignore all hostnames in logs
 #
-# yes:   if a hostname is encountered, a reverse DNS lookup will be performed.
+# yes:   if a hostname is encountered, a DNS lookup will be performed.
-# warn:  if a hostname is encountered, a reverse DNS lookup will be performed,
+# warn:  if a hostname is encountered, a DNS lookup will be performed,
 #        but it will be logged as a warning.
 # no:    if a hostname is encountered, will not be used for banning,
 #        but it will be logged as info.
 usedns = warn
 
+# "logencoding" specifies the encoding of the log files handled by the jail
+#   This is used to decode the lines from the log file.
+#   Typical examples:  "ascii", "utf-8"
 #
-# Destination email address used solely for the interpolations in
+#   auto:   will use the system locale setting
-# jail.{conf,local} configuration files.
+logencoding = auto
-destemail = root@localhost
 
+# "enabled" enables the jails.
+#  By default all jails are disabled, and it should stay this way.
+#  Enable only relevant to your setup jails in your .local or jail.d/*.conf
 #
-# Name of the sender for mta actions
+# true:  jail will be enabled and log files will get monitored for changes
-sendername = Fail2Ban
+# false: jail is not enabled
+enabled = false
+
+
+# "filter" defines the filter to use by the jail.
+#  By default jails have names matching their filter name
+#
+filter = %(__name__)s
+
 
 #
 # ACTIONS
 #
 
-# Default banning action (e.g. iptables, iptables-new,
+# Some options used for actions
-# iptables-multiport, shorewall, etc) It is used to define
-# action_* variables. Can be overridden globally or per
-# section within jail.local file
-banaction = hostsdeny
 
-# email action. Since 0.8.1 upstream fail2ban uses sendmail
+# Destination email address used solely for the interpolations in
-# MTA for the mailing. Change mta configuration parameter to mail
+# jail.{conf,local,d/*} configuration files.
-# if you want to revert to conventional 'mail'.
+destemail = root@localhost
+
+# Sender email address used solely for some actions
+sender = root@localhost
+
+# 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
 
 # Default protocol
@@ -81,80 +142,703 @@ protocol = tcp
 # Specify chain where jumps would need to be added in iptables-* actions
 chain = INPUT
 
+# Ports to be banned
+# Usually should be overridden in a particular jail
+port = 0:65535
+
+# Format of user-agent https://tools.ietf.org/html/rfc7231#section-5.5.3
+fail2ban_agent = Fail2Ban/%(fail2ban_version)s
+
 #
 # Action shortcuts. To be used to define action parameter
 
+# 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
+banaction_allports = iptables-allports
+
 # The simplest action to take: ban only
-action_ = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
+action_ = %(banaction)s[name=%(__name__)s, bantime="%(bantime)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"]
+action_mw = %(banaction)s[name=%(__name__)s, bantime="%(bantime)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", sendername="%(sendername)s"]
+            %(mta)s-whois[name=%(__name__)s, sender="%(sender)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"]
+action_mwl = %(banaction)s[name=%(__name__)s, bantime="%(bantime)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", sendername="%(sendername)s"]
+             %(mta)s-whois-lines[name=%(__name__)s, sender="%(sender)s", dest="%(destemail)s", logpath=%(logpath)s, chain="%(chain)s"]
+
+# See the IMPORTANT note in action.d/xarf-login-attack for when to use this action
+#
+# ban & send a xarf e-mail to abuse contact of IP address and include relevant log lines
+# to the destemail.
+action_xarf = %(banaction)s[name=%(__name__)s, bantime="%(bantime)s", port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
+             xarf-login-attack[service=%(__name__)s, sender="%(sender)s", logpath=%(logpath)s, port="%(port)s"]
+
+# ban IP on CloudFlare & send an e-mail with whois report and relevant log lines
+# to the destemail.
+action_cf_mwl = cloudflare[cfuser="%(cfemail)s", cftoken="%(cfapikey)s"]
+                %(mta)s-whois-lines[name=%(__name__)s, sender="%(sender)s", dest="%(destemail)s", logpath=%(logpath)s, chain="%(chain)s"]
+
+# Report block via blocklist.de fail2ban reporting service API
+# 
+# See the IMPORTANT note in action.d/blocklist_de.conf for when to
+# use this action. Create a file jail.d/blocklist_de.local containing
+# [Init]
+# blocklist_de_apikey = {api key from registration]
+#
+action_blocklist_de  = blocklist_de[email="%(sender)s", service=%(filter)s, apikey="%(blocklist_de_apikey)s", agent="%(fail2ban_agent)s"]
+
+# Report ban via badips.com, and use as blacklist
+#
+# See BadIPsAction docstring in config/action.d/badips.py for
+# documentation for this action.
+#
+# NOTE: This action relies on banaction being present on start and therefore
+# should be last action defined for a jail.
+#
+action_badips = badips.py[category="%(__name__)s", banaction="%(banaction)s", agent="%(fail2ban_agent)s"]
+#
+# Report ban via badips.com (uses action.d/badips.conf for reporting only)
+#
+action_badips_report = badips[category="%(__name__)s", agent="%(fail2ban_agent)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]
+#
+# SSH servers
+#
+
+[sshd]
+
+port    = ssh
+logpath = %(sshd_log)s
+backend = %(sshd_backend)s
+
+
+[sshd-ddos]
+# This jail corresponds to the standard configuration in Fail2ban.
+# The mail-whois action send a notification e-mail with a whois request
+# in the body.
+port    = ssh
+logpath = %(sshd_log)s
+backend = %(sshd_backend)s
+
+
+[dropbear]
 
-enabled  = true
 port     = ssh
-filter   = sshd
+logpath  = %(dropbear_log)s
-logpath  = /var/log/auth.log
+backend  = %(dropbear_backend)s
-maxretry = 6
+
+
+[selinux-ssh]
+
+port     = ssh
+logpath  = %(auditd_log)s
+
+
+#
+# HTTP servers
+#
+
+[apache-auth]
+
+port     = http,https
+logpath  = %(apache_error_log)s
+
+
+[apache-badbots]
+# Ban hosts which agent identifies spammer robots crawling the web
+# for email addresses. The mail outputs are buffered.
+port     = http,https
+logpath  = %(apache_access_log)s
+bantime  = 172800
+maxretry = 1
+
+
+[apache-noscript]
+
+port     = http,https
+logpath  = %(apache_error_log)s
+
+
+[apache-overflows]
+
+port     = http,https
+logpath  = %(apache_error_log)s
+maxretry = 2
+
+
+[apache-nohome]
+
+port     = http,https
+logpath  = %(apache_error_log)s
+maxretry = 2
+
+
+[apache-botsearch]
+
+port     = http,https
+logpath  = %(apache_error_log)s
+maxretry = 2
+
+
+[apache-fakegooglebot]
+
+port     = http,https
+logpath  = %(apache_access_log)s
+maxretry = 1
+ignorecommand = %(ignorecommands_dir)s/apache-fakegooglebot <ip>
+
+
+[apache-modsecurity]
+
+port     = http,https
+logpath  = %(apache_error_log)s
+maxretry = 2
+
+
+[apache-shellshock]
+
+port    = http,https
+logpath = %(apache_error_log)s
+maxretry = 1
+
+
+[openhab-auth]
+
+filter = openhab
+action = iptables-allports[name=NoAuthFailures]
+logpath = /opt/openhab/logs/request.log
+
+
+[nginx-http-auth]
+
+port    = http,https
+logpath = %(nginx_error_log)s
+
+# To use 'nginx-limit-req' jail you should have `ngx_http_limit_req_module` 
+# and define `limit_req` and `limit_req_zone` as described in nginx documentation
+# http://nginx.org/en/docs/http/ngx_http_limit_req_module.html
+# or for example see in 'config/filter.d/nginx-limit-req.conf'
+[nginx-limit-req]
+port    = http,https
+logpath = %(nginx_error_log)s
+
+[nginx-botsearch]
+
+port     = http,https
+logpath  = %(nginx_error_log)s
+maxretry = 2
+
+
+# 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]
+
+port    = http,https
+logpath = %(nginx_access_log)s
+          %(apache_access_log)s
+
+
+[suhosin]
+
+port    = http,https
+logpath = %(suhosin_log)s
+
+
+[lighttpd-auth]
+# Same as above for Apache's mod_auth
+# It catches wrong authentifications
+port    = http,https
+logpath = %(lighttpd_error_log)s
+
+
+#
+# Webmail and groupware servers
+#
+
+[roundcube-auth]
+
+port     = http,https
+logpath  = %(roundcube_errors_log)s
+
+
+[openwebmail]
+
+port     = http,https
+logpath  = /var/log/openwebmail.log
+
+
+[horde]
+
+port     = http,https
+logpath  = /var/log/horde/horde.log
+
+
+[groupoffice]
+
+port     = http,https
+logpath  = /home/groupoffice/log/info.log
+
+
+[sogo-auth]
+# Monitor SOGo groupware server
+# without proxy this would be:
+# port    = 20000
+port     = http,https
+logpath  = /var/log/sogo/sogo.log
+
+
+[tine20]
+
+logpath  = /var/log/tine20/tine20.log
+port     = http,https
+
+
+#
+# Web Applications
+#
+#
+
+[drupal-auth]
+
+port     = http,https
+logpath  = %(syslog_daemon)s
+backend  = %(syslog_backend)s
+
+[guacamole]
+
+port     = http,https
+logpath  = /var/log/tomcat*/catalina.out
+
+[monit]
+#Ban clients brute-forcing the monit gui login
+port = 2812
+logpath  = /var/log/monit
+
+
+[webmin-auth]
+
+port    = 10000
+logpath = %(syslog_authpriv)s
+backend = %(syslog_backend)s
+
+
+[froxlor-auth]
+
+port    = http,https
+logpath  = %(syslog_authpriv)s
+backend  = %(syslog_backend)s
+
+
+#
+# HTTP Proxy servers
+#
+#
+
+[squid]
+
+port     =  80,443,3128,8080
+logpath = /var/log/squid/access.log
+
+
+[3proxy]
+
+port    = 3128
+logpath = /var/log/3proxy.log
+
+
+#
+# FTP servers
+#
+
+
+[proftpd]
+
+port     = ftp,ftp-data,ftps,ftps-data
+logpath  = %(proftpd_log)s
+backend  = %(proftpd_backend)s
+
+
+[pure-ftpd]
+
+port     = ftp,ftp-data,ftps,ftps-data
+logpath  = %(pureftpd_log)s
+backend  = %(pureftpd_backend)s
+
+
+[gssftpd]
+
+port     = ftp,ftp-data,ftps,ftps-data
+logpath  = %(syslog_daemon)s
+backend  = %(syslog_backend)s
+
+
+[wuftpd]
+
+port     = ftp,ftp-data,ftps,ftps-data
+logpath  = %(wuftpd_log)s
+backend  = %(wuftpd_backend)s
+
+
+[vsftpd]
+# or overwrite it in jails.local to be
+# logpath = %(syslog_authpriv)s
+# if you want to rely on PAM failed login attempts
+# vsftpd's failregex should match both of those formats
+port     = ftp,ftp-data,ftps,ftps-data
+logpath  = %(vsftpd_log)s
+
 
 #
 # Mail servers
 #
 
+# ASSP SMTP Proxy Jail
+[assp]
+
+port     = smtp,465,submission
+logpath  = /root/path/to/assp/logs/maillog.txt
+
+
+[courier-smtp]
+
+port     = smtp,465,submission
+logpath  = %(syslog_mail)s
+backend  = %(syslog_backend)s
+
+
 [postfix]
 
-enabled = true
+port     = smtp,465,submission
-port     = smtp,ssmtp,submission
+logpath  = /var/log/mail/mail.log
-filter   = postfix
+backend  = %(postfix_backend)s
+enabled  = true
+
+
+[postfix-rbl]
+
+port     = smtp,465,submission
+logpath  = %(postfix_log)s
+backend  = %(postfix_backend)s
+maxretry = 1
+
+
+[sendmail-auth]
+
+port    = submission,465,smtp
+logpath = %(syslog_mail)s
+backend = %(syslog_backend)s
+
+
+[sendmail-reject]
+
+port     = smtp,465,submission
+logpath  = %(syslog_mail)s
+backend  = %(syslog_backend)s
+
+
+[qmail-rbl]
+
+filter  = qmail
+port    = smtp,465,submission
+logpath = /service/qmail/log/main/current
+
+
+# dovecot defaults to logging to the mail syslog facility
+# but can be set by syslog_facility in the dovecot configuration.
+[dovecot]
+
+port    = pop3,pop3s,imap,imaps,submission,465,sieve
 logpath = /var/log/mail/mail.log
+backend = %(dovecot_backend)s
+enabled = true
+
+
+[sieve]
+
+port   = smtp,465,submission
+logpath = %(dovecot_log)s
+backend = %(dovecot_backend)s
+
+
+[solid-pop3d]
+
+port    = pop3,pop3s
+logpath = %(solidpop3d_log)s
+
+
+[exim]
+
+port   = smtp,465,submission
+logpath = %(exim_main_log)s
+
+
+[exim-spam]
+
+port   = smtp,465,submission
+logpath = %(exim_main_log)s
+
+
+[kerio]
+
+port    = imap,smtp,imaps,465
+logpath = /opt/kerio/mailserver/store/logs/security.log
+
 
 #
 # Mail servers authenticators: might be used for smtp,ftp,imap servers, so
 # all relevant ports get banned
 #
 
-[sasl]
+[courier-auth]
 
-enabled = true
+port     = smtp,465,submission,imap3,imaps,pop3,pop3s
-port     = smtp,ssmtp,submission,imap2,imap3,imaps,pop3,pop3s
+logpath  = %(syslog_mail)s
-filter   = postfix-sasl
+backend  = %(syslog_backend)s
+
+
+[postfix-sasl]
+
+port     = smtp,465,submission,imap3,imaps,pop3,pop3s
 # 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/mail.log
+logpath  = /var/log/mail/mail.log
+backend  = %(postfix_backend)s
+enabled  = true
 
-[dovecot]
 
-enabled = true
+[perdition]
-port    = smtp,ssmtp,submission,imap2,imap3,imaps,pop3,pop3s
+
-filter  = dovecot
+port   = imap3,imaps,pop3,pop3s
-logpath = /var/log/mail/mail.log
+logpath = %(syslog_mail)s
+backend = %(syslog_backend)s
+
+
+[squirrelmail]
+
+port = smtp,465,submission,imap2,imap3,imaps,pop3,pop3s,http,https,socks
+logpath = /var/lib/squirrelmail/prefs/squirrelmail_access_log
+
+
+[cyrus-imap]
+
+port   = imap3,imaps
+logpath = %(syslog_mail)s
+backend = %(syslog_backend)s
+
+
+[uwimap-auth]
+
+port   = imap3,imaps
+logpath = %(syslog_mail)s
+backend = %(syslog_backend)s
+
+
+#
+#
+# DNS servers
+#
+
+
+# !!! WARNING !!!
+#   Since UDP is connection-less protocol, spoofing of IP and imitation
+#   of illegal actions is way too simple.  Thus enabling of this filter
+#   might provide an easy way for implementing a DoS against a chosen
+#   victim. See
+#    http://nion.modprobe.de/blog/archives/690-fail2ban-+-dns-fail.html
+#   Please DO NOT USE this jail unless you know what you are doing.
+#
+# IMPORTANT: see filter.d/named-refused for instructions to enable logging
+# This jail blocks UDP traffic for DNS requests.
+# [named-refused-udp]
+#
+# filter   = named-refused
+# port     = domain,953
+# protocol = udp
+# logpath  = /var/log/named/security.log
+
+# IMPORTANT: see filter.d/named-refused for instructions to enable logging
+# This jail blocks TCP traffic for DNS requests.
+
+[named-refused]
+
+port     = domain,953
+logpath  = /var/log/named/security.log
+
+
+[nsd]
+
+port     = 53
+action   = %(banaction)s[name=%(__name__)s-tcp, port="%(port)s", protocol="tcp", chain="%(chain)s", actname=%(banaction)s-tcp]
+           %(banaction)s[name=%(__name__)s-udp, port="%(port)s", protocol="udp", chain="%(chain)s", actname=%(banaction)s-udp]
+logpath = /var/log/nsd.log
+
+
+#
+# Miscellaneous
+#
+
+[asterisk]
+
+port     = 5060,5061
+action   = %(banaction)s[name=%(__name__)s-tcp, port="%(port)s", protocol="tcp", chain="%(chain)s", actname=%(banaction)s-tcp]
+           %(banaction)s[name=%(__name__)s-udp, port="%(port)s", protocol="udp", chain="%(chain)s", actname=%(banaction)s-udp]
+           %(mta)s-whois[name=%(__name__)s, dest="%(destemail)s"]
+logpath  = /var/log/asterisk/messages
+maxretry = 10
+
+
+[freeswitch]
+
+port     = 5060,5061
+action   = %(banaction)s[name=%(__name__)s-tcp, port="%(port)s", protocol="tcp", chain="%(chain)s", actname=%(banaction)s-tcp]
+           %(banaction)s[name=%(__name__)s-udp, port="%(port)s", protocol="udp", chain="%(chain)s", actname=%(banaction)s-udp]
+           %(mta)s-whois[name=%(__name__)s, dest="%(destemail)s"]
+logpath  = /var/log/freeswitch.log
+maxretry = 10
+
+
+# To log wrong MySQL access attempts add to /etc/my.cnf in [mysqld] or
+# equivalent section:
+# log-warning = 2
+#
+# for syslog (daemon facility)
+# [mysqld_safe]
+# syslog
+#
+# for own logfile
+# [mysqld]
+# log-error=/var/log/mysqld.log
+[mysqld-auth]
+
+port     = 3306
+logpath  = %(mysql_log)s
+backend  = %(mysql_backend)s
+
 
 # Jail for more extended banning of persistent abusers
-# !!! WARNING !!!
+# !!! WARNINGS !!!
-#   Make sure that your loglevel specified in fail2ban.conf/.local
+# 1. Make sure that your loglevel specified in fail2ban.conf/.local
-#   is not at DEBUG level -- which might then cause fail2ban to fall into
+#    is not at DEBUG level -- which might then cause fail2ban to fall into
-#   an infinite loop constantly feeding itself with non-informative lines
+#    an infinite loop constantly feeding itself with non-informative lines
+# 2. Increase dbpurgeage defined in fail2ban.conf to e.g. 648000 (7.5 days)
+#    to maintain entries for failed logins for sufficient amount of time
 [recidive]
 
-enabled  = false
-filter   = recidive
 logpath  = /var/log/fail2ban.log
-action   = iptables-allports[name=recidive]
+banaction = %(banaction_allports)s
-           sendmail-whois-lines[name=recidive, logpath=/var/log/fail2ban.log]
+bantime  = 604800  ; 1 week
+findtime = 86400   ; 1 day
+
+
+# Generic filter for PAM. Has to be used with action which bans all
+# ports such as iptables-allports, shorewall
+
+[pam-generic]
+# pam-generic filter can be customized to monitor specific subset of 'tty's
+banaction = %(banaction_allports)s
+logpath  = %(syslog_authpriv)s
+backend  = %(syslog_backend)s
+
+
+[xinetd-fail]
+
+banaction = iptables-multiport-log
+logpath   = %(syslog_daemon)s
+backend   = %(syslog_backend)s
+maxretry  = 2
+
+
+# stunnel - need to set port for this
+[stunnel]
+
+logpath = /var/log/stunnel4/stunnel.log
+
+
+[ejabberd-auth]
+
+port    = 5222
+logpath = /var/log/ejabberd/ejabberd.log
+
+
+[counter-strike]
+
+logpath = /opt/cstrike/logs/L[0-9]*.log
+# Firewall: http://www.cstrike-planet.com/faq/6
+tcpport = 27030,27031,27032,27033,27034,27035,27036,27037,27038,27039
+udpport = 1200,27000,27001,27002,27003,27004,27005,27006,27007,27008,27009,27010,27011,27012,27013,27014,27015
+action  = %(banaction)s[name=%(__name__)s-tcp, port="%(tcpport)s", protocol="tcp", chain="%(chain)s", actname=%(banaction)s-tcp]
+           %(banaction)s[name=%(__name__)s-udp, port="%(udpport)s", protocol="udp", chain="%(chain)s", actname=%(banaction)s-udp]
+
+# consider low maxretry and a long bantime
+# nobody except your own Nagios server should ever probe nrpe
+[nagios]
+
+logpath  = %(syslog_daemon)s     ; nrpe.cfg may define a different log_facility
+backend  = %(syslog_backend)s
+maxretry = 1
+
+
+[oracleims]
+# see "oracleims" filter file for configuration requirement for Oracle IMS v6 and above
+logpath = /opt/sun/comms/messaging64/log/mail.log_current
+banaction = %(banaction_allports)s
+
+[directadmin]
+logpath = /var/log/directadmin/login.log
+port = 2222
+
+[portsentry]
+logpath  = /var/lib/portsentry/portsentry.history
+maxretry = 1
+
+[pass2allow-ftp]
+# this pass2allow example allows FTP traffic after successful HTTP authentication
+port         = ftp,ftp-data,ftps,ftps-data
+# knocking_url variable must be overridden to some secret value in filter.d/apache-pass.local
+filter       = apache-pass
+# access log of the website with HTTP auth
+logpath      = %(apache_access_log)s
+blocktype    = RETURN
+returntype   = DROP
+bantime      = 3600
+maxretry     = 1
+findtime     = 1
+
+
+[murmur]
+# AKA mumble-server
+port     = 64738
+action   = %(banaction)s[name=%(__name__)s-tcp, port="%(port)s", protocol=tcp, chain="%(chain)s", actname=%(banaction)s-tcp]
+           %(banaction)s[name=%(__name__)s-udp, port="%(port)s", protocol=udp, chain="%(chain)s", actname=%(banaction)s-udp]
+logpath  = /var/log/mumble-server/mumble-server.log
+
+
+[screensharingd]
+# For Mac OS Screen Sharing Service (VNC)
+logpath  = /var/log/system.log
+logencoding = utf-8
+
+[haproxy-http-auth]
+# HAProxy by default doesn't log to file you'll need to set it up to forward
+# logs to a syslog server which would then write them to disk.
+# See "haproxy-http-auth" filter for a brief cautionary note when setting
+# maxretry and findtime.
+logpath  = /var/log/haproxy.log

test/tests.bats

@@ -322,7 +322,7 @@
 #
 
 @test "checking fail2ban: localhost is not banned because ignored" {
-  run docker exec mail_fail2ban /bin/sh -c "fail2ban-client status sasl | grep 'IP list:.*127.0.0.1'"
+  run docker exec mail_fail2ban /bin/sh -c "fail2ban-client status postfix-sasl | grep 'IP list:.*127.0.0.1'"
   [ "$status" -eq 1 ]
   run docker exec mail_fail2ban /bin/sh -c "grep 'ignoreip = 127.0.0.1/8' /etc/fail2ban/jail.conf"
   [ "$status" -eq 0 ]
@@ -336,26 +336,24 @@
   docker exec fail-auth-mailer /bin/sh -c 'nc $MAIL_FAIL2BAN_IP 25 < /tmp/docker-mailserver-test/auth/smtp-auth-login-wrong.txt'
   docker exec fail-auth-mailer /bin/sh -c 'nc $MAIL_FAIL2BAN_IP 25 < /tmp/docker-mailserver-test/auth/smtp-auth-login-wrong.txt'
   docker exec fail-auth-mailer /bin/sh -c 'nc $MAIL_FAIL2BAN_IP 25 < /tmp/docker-mailserver-test/auth/smtp-auth-login-wrong.txt'
-  docker exec fail-auth-mailer /bin/sh -c 'nc $MAIL_FAIL2BAN_IP 25 < /tmp/docker-mailserver-test/auth/smtp-auth-login-wrong.txt'
-  docker exec fail-auth-mailer /bin/sh -c 'nc $MAIL_FAIL2BAN_IP 25 < /tmp/docker-mailserver-test/auth/smtp-auth-login-wrong.txt'
   sleep 5
   # Checking that FAIL_AUTH_MAILER_IP is banned in mail_fail2ban
   FAIL_AUTH_MAILER_IP=$(docker inspect --format '{{ .NetworkSettings.IPAddress }}' fail-auth-mailer)
-  run docker exec mail_fail2ban /bin/sh -c "export FAIL_AUTH_MAILER_IP=$FAIL_AUTH_MAILER_IP && fail2ban-client status sasl | grep '$FAIL_AUTH_MAILER_IP'"
+  run docker exec mail_fail2ban /bin/sh -c "export FAIL_AUTH_MAILER_IP=$FAIL_AUTH_MAILER_IP && fail2ban-client status postfix-sasl | grep '$FAIL_AUTH_MAILER_IP'"
   [ "$status" -eq 0 ]
   # Checking that FAIL_AUTH_MAILER_IP is banned in /etc/hosts.deny
-  run docker exec mail_fail2ban /bin/sh -c "export FAIL_AUTH_MAILER_IP=$FAIL_AUTH_MAILER_IP && grep 'ALL: $FAIL_AUTH_MAILER_IP' /etc/hosts.deny"
+  run docker exec mail_fail2ban /bin/sh -c "export FAIL_AUTH_MAILER_IP=$FAIL_AUTH_MAILER_IP && iptables -L | grep 'REJECT     all  --  $FAIL_AUTH_MAILER_IP'"
   [ "$status" -eq 0 ]
 }
 
 @test "checking fail2ban: unban ip works" {
   FAIL_AUTH_MAILER_IP=$(docker inspect --format '{{ .NetworkSettings.IPAddress }}' fail-auth-mailer)
-  docker exec mail_fail2ban fail2ban-client set sasl unbanip $FAIL_AUTH_MAILER_IP
+  docker exec mail_fail2ban fail2ban-client set postfix-sasl unbanip $FAIL_AUTH_MAILER_IP
   sleep 5
-  run docker exec mail_fail2ban /bin/sh -c "fail2ban-client status sasl | grep 'IP list:.*$FAIL_AUTH_MAILER_IP'"
+  run docker exec mail_fail2ban /bin/sh -c "fail2ban-client status postfix-sasl | grep 'IP list:.*$FAIL_AUTH_MAILER_IP'"
   [ "$status" -eq 1 ]
   # Checking that FAIL_AUTH_MAILER_IP is unbanned in /etc/hosts.deny
-  run docker exec mail_fail2ban /bin/sh -c "export FAIL_AUTH_MAILER_IP=$FAIL_AUTH_MAILER_IP && grep 'ALL: $FAIL_AUTH_MAILER_IP' /etc/hosts.deny"
+  run docker exec mail_fail2ban /bin/sh -c "export FAIL_AUTH_MAILER_IP=$FAIL_AUTH_MAILER_IP && iptables -L | grep 'REJECT     all  --  $FAIL_AUTH_MAILER_IP'"
   [ "$status" -eq 1 ]
 }
 
@@ -366,7 +364,7 @@
 @test "checking system: freshclam cron is enabled" {
   run docker exec mail crontab -l
   [ "$status" -eq 0 ]
-  [ "$output" = "0 1 * * * /usr/bin/freshclam --quiet" ]
+  [ "$output" = "0 0,6,12,18 * * * /usr/bin/freshclam --quiet" ]
 }
 
 @test "checking system: /var/log/mail/mail.log is error free" {