From b9e1903083c105fa4e797f0ace9db2009d979e3b Mon Sep 17 00:00:00 2001 From: Thomas VIAL Date: Sat, 23 Apr 2016 12:09:28 +0200 Subject: [PATCH] - Fixed #152 - Moved Fail2ban to 0.9.x because OS version was buggy - Improved documentation - Reduce image size --- Dockerfile | 18 +- Makefile | 1 + README.md | 7 + .../{filters.d => filter.d}/dovecot.conf | 0 target/fail2ban/jail.conf | 808 ++++++++++++++++-- test/tests.bats | 16 +- 6 files changed, 772 insertions(+), 78 deletions(-) rename target/fail2ban/{filters.d => filter.d}/dovecot.conf (100%) diff --git a/Dockerfile b/Dockerfile index 87ee0f2b..fa881082 100644 --- a/Dockerfile +++ b/Dockerfile @@ -2,12 +2,16 @@ FROM ubuntu:14.04 MAINTAINER Thomas VIAL # Packages -RUN apt-get update -q --fix-missing -RUN apt-get -y upgrade -RUN DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends \ +RUN DEBIAN_FRONTEND=noninteractive apt-get update -q --fix-missing && \ + apt-get -y upgrade && \ + 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 -RUN echo "ignoreregex =" >> /etc/fail2ban/filter.d/postfix-sasl.conf +# ADD target/fail2ban/filter.d/dovecot.conf /etc/fail2ban/filter.d/dovecot.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 diff --git a/Makefile b/Makefile index fbef8209..cdce19db 100644 --- a/Makefile +++ b/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 diff --git a/README.md b/README.md index b996d93f..8aaa7b5f 100644 --- a/README.md +++ b/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 diff --git a/target/fail2ban/filters.d/dovecot.conf b/target/fail2ban/filter.d/dovecot.conf similarity index 100% rename from target/fail2ban/filters.d/dovecot.conf rename to target/fail2ban/filter.d/dovecot.conf diff --git a/target/fail2ban/jail.conf b/target/fail2ban/jail.conf index f0824882..6da04a58 100644 --- a/target/fail2ban/jail.conf +++ b/target/fail2ban/jail.conf @@ -1,78 +1,139 @@ -# Fail2Ban configuration file. # -# This file was composed for Debian systems from the original one -# provided now under /usr/share/doc/fail2ban/examples/jail.conf -# for additional examples. +# 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, +# or separate .conf files under jail.d/ directory, e.g.: # -# To avoid merges during upgrades DO NOT MODIFY THIS FILE -# and rather provide your changes in /etc/fail2ban/jail.local +# HOW TO ACTIVATE JAILS: # +# 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. , +# and return true if the IP is to be ignored. False otherwise. +# +# ignorecommand = /path/to/command +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. -backend = gamin +# pyinotify, gamin, polling. +# +# 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. -# warn: 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 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 -# jail.{conf,local} configuration files. -destemail = root@localhost +# auto: will use the system locale setting +logencoding = auto +# "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 -sendername = Fail2Ban +# true: jail will be enabled and log files will get monitored for changes +# 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, -# iptables-multiport, shorewall, etc) It is used to define -# action_* variables. Can be overridden globally or per -# section within jail.local file -banaction = hostsdeny +# Some options used for actions -# email action. Since 0.8.1 upstream fail2ban uses sendmail -# MTA for the mailing. Change mta configuration parameter to mail -# if you want to revert to conventional 'mail'. +# Destination email address used solely for the interpolations in +# jail.{conf,local,d/*} configuration files. +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"] - %(mta)s-whois[name=%(__name__)s, dest="%(destemail)s", protocol="%(protocol)s", chain="%(chain)s", sendername="%(sendername)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, 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"] - %(mta)s-whois-lines[name=%(__name__)s, dest="%(destemail)s", logpath=%(logpath)s, chain="%(chain)s", sendername="%(sendername)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, 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 = /var/log/auth.log -maxretry = 6 +logpath = %(dropbear_log)s +backend = %(dropbear_backend)s + + +[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 + + +[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,ssmtp,submission -filter = postfix +port = smtp,465,submission +logpath = /var/log/mail/mail.log +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,ssmtp,submission,imap2,imap3,imaps,pop3,pop3s -filter = postfix-sasl +port = smtp,465,submission,imap3,imaps,pop3,pop3s +logpath = %(syslog_mail)s +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 -port = smtp,ssmtp,submission,imap2,imap3,imaps,pop3,pop3s -filter = dovecot -logpath = /var/log/mail/mail.log +[perdition] + +port = imap3,imaps,pop3,pop3s +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 !!! -# Make sure that your loglevel specified in fail2ban.conf/.local -# is not at DEBUG level -- which might then cause fail2ban to fall into -# an infinite loop constantly feeding itself with non-informative lines +# !!! WARNINGS !!! +# 1. Make sure that your loglevel specified in fail2ban.conf/.local +# is not at DEBUG level -- which might then cause fail2ban to fall into +# 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] - sendmail-whois-lines[name=recidive, logpath=/var/log/fail2ban.log] +banaction = %(banaction_allports)s +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 diff --git a/test/tests.bats b/test/tests.bats index bd727df0..1c836e51 100644 --- a/test/tests.bats +++ b/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" {