DJKUhpisse schrieb:
Zeige mal diene Jail-Dateien.
Hier sind die Dateien....
ich habe aber einen anderen SSH Port, wo müsste der korrekt angepasst werden?
/etc/fail2ban/jail.conf
#
# WARNING: heavily refactored in 0.9.0 release. Please review and
# customize settings for your setup.
#
# 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.:
#
# 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 = 1h
#
# [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
#
# "bantime.increment" allows to use database for searching of previously banned ip's to increase a
# default ban time using special formula, default it is banTime * 1, 2, 4, 8, 16, 32...
#bantime.increment = true
# "bantime.rndtime" is the max number of seconds using for mixing with random time
# to prevent "clever" botnets calculate exact time IP can be unbanned again:
#bantime.rndtime =
# "bantime.maxtime" is the max number of seconds using the ban time can reach (doesn't grow further)
#bantime.maxtime =
# "bantime.factor" is a coefficient to calculate exponent growing of the formula or common multiplier,
# default value of factor is 1 and with default value of formula, the ban time
# grows by 1, 2, 4, 8, 16 ...
#bantime.factor = 1
# "bantime.formula" used by default to calculate next value of ban time, default value below,
# the same ban time growing will be reached by multipliers 1, 2, 4, 8, 16, 32...
#bantime.formula = ban.Time * (1<<(ban.Count if ban.Count<20 else 20)) * banFactor
#
# more aggressive example of formula has the same values only for factor "2.0 / 2.885385" :
#bantime.formula = ban.Time * math.exp(float(ban.Count+1)*banFactor)/math.exp(1*banFactor)
# "bantime.multipliers" used to calculate next value of ban time instead of formula, coresponding
# previously ban count and given "bantime.factor" (for multipliers default is 1);
# following example grows ban time by 1, 2, 4, 8, 16 ... and if last ban count greater as multipliers count,
# always used last multiplier (64 in example), for factor '1' and original ban time 600 - 10.6 hours
#bantime.multipliers = 1 2 4 8 16 32 64
# following example can be used for small initial ban time (bantime=60) - it grows more aggressive at begin,
# for bantime=60 the multipliers are minutes and equal: 1 min, 5 min, 30 min, 1 hour, 5 hour, 12 hour, 1 day, 2 day
#bantime.multipliers = 1 5 30 60 300 720 1440 2880
# "bantime.overalljails" (if true) specifies the search of IP in the database will be executed
# cross over all jails, if false (dafault), only current jail of the ban IP will be searched
#bantime.overalljails = false
# --------------------
# "ignoreself" specifies whether the local resp. own IP addresses should be ignored
# (default is true). Fail2ban will not ban a host which matches such addresses.
#ignoreself = true
# "ignoreip" can be a list of IP addresses, CIDR masks or DNS hosts. Fail2ban
# will not ban a host which matches an address in this list. Several addresses
# can be defined using space (and/or comma) separator.
#ignoreip = 127.0.0.1/8 ::1
# 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 = 10m
# A host is banned if it has generated "maxretry" during the last "findtime"
# seconds.
findtime = 10m
# "maxretry" is the number of failures before a host get banned.
maxretry = 5
# "maxmatches" is the number of matches stored in ticket (resolvable via tag <matches> in actions).
maxmatches = %(maxretry)s
# "backend" specifies the backend used to get files modification.
# 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.
# gamin: requires Gamin (a file alteration monitor) to be installed.
# 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.
#
# 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 DNS lookups are performed, or ignore all hostnames in logs
#
# 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.
# raw: use raw value (no hostname), allow use it for no-host filters/actions (example user)
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"
#
# 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
#
# true: jail will be enabled and log files will get monitored for changes
# false: jail is not enabled
enabled = false
# "mode" defines the mode of the filter (see corresponding filter implementation for more info).
mode = normal
# "filter" defines the filter to use by the jail.
# By default jails have names matching their filter name
#
filter = %(__name__)s[mode=%(mode)s]
#
# ACTIONS
#
# Some options used for actions
# 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@<fq-hostname>
# 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
protocol = tcp
# Specify chain where jumps would need to be added in ban-actions expecting parameter chain
chain = <known/chain>
# 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[port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
# ban & send an e-mail with whois report to the destemail.
action_mw = %(action_)s
%(mta)s-whois[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 = %(action_)s
%(mta)s-whois-lines[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 = %(action_)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[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.
# Specify expected parameters in file action.d/blocklist_de.local or if the interpolation
# `action_blocklist_de` used for the action, set value of `blocklist_de_apikey`
# in your `jail.local` globally (section [DEFAULT]) or per specific jail section (resp. in
# corresponding jail.d/my-jail.local file).
#
action_blocklist_de = blocklist_de[email="%(sender)s", service="%(__name__)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"]
# Report ban via abuseipdb.com.
#
# See action.d/abuseipdb.conf for usage example and details.
#
action_abuseipdb = abuseipdb
# 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]
# To use more aggressive sshd modes set filter parameter "mode" in jail.local:
# normal (default), ddos, extra or aggressive (combines all).
# See "tests/files/logs/sshd" or "filter.d/sshd.conf" for usage example and details.
mode = normal
port = ssh
logpath = %(sshd_log)s
backend = %(sshd_backend)s
maxretry = 2
findtime = 60
bantime = 3600
[dropbear]
port = ssh
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 = 48h
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
banaction = %(banaction_allports)s
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
# Use following line in your jail.local if roundcube logs to journal.
#backend = %(syslog_backend)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
#logpath = /var/log/guacamole.log
[monit]
#Ban clients brute-forcing the monit gui login
port = 2812
logpath = /var/log/monit
/var/log/monit.log
[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]
# To use another modes set filter parameter "mode" in jail.local:
mode = more
port = smtp,465,submission
logpath = %(postfix_log)s
backend = %(postfix_backend)s
[postfix-rbl]
filter = postfix[mode=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]
# To use more aggressive modes set filter parameter "mode" in jail.local:
# normal (default), extra or aggressive
# See "tests/files/logs/sendmail-reject" or "filter.d/sendmail-reject.conf" for usage example and details.
#mode = normal
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 = %(dovecot_log)s
#backend = %(dovecot_backend)s
[sieve]
port = smtp,465,submission
logpath = %(dovecot_log)s
backend = %(dovecot_backend)s
[solid-pop3d]
port = pop3,pop3s
logpath = %(solidpop3d_log)s
[exim]
# see filter.d/exim.conf for further modes supported from filter:
#mode = normal
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
#
[courier-auth]
port = smtp,465,submission,imap,imaps,pop3,pop3s
logpath = %(syslog_mail)s
backend = %(syslog_backend)s
[postfix-sasl]
filter = postfix[mode=auth]
port = smtp,465,submission,imap,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 = %(postfix_log)s
backend = %(postfix_backend)s
[perdition]
port = imap,imaps,pop3,pop3s
logpath = %(syslog_mail)s
backend = %(syslog_backend)s
[squirrelmail]
port = smtp,465,submission,imap,imap2,imaps,pop3,pop3s,http,https,socks
logpath = /var/lib/squirrelmail/prefs/squirrelmail_access_log
[cyrus-imap]
port = imap,imaps
logpath = %(syslog_mail)s
backend = %(syslog_backend)s
[uwimap-auth]
port = imap,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_ = %(default/action_)s[name=%(__name__)s-tcp, protocol="tcp"]
%(default/action_)s[name=%(__name__)s-udp, protocol="udp"]
logpath = /var/log/nsd.log
#
# Miscellaneous
#
[asterisk]
port = 5060,5061
action_ = %(default/action_)s[name=%(__name__)s-tcp, protocol="tcp"]
%(default/action_)s[name=%(__name__)s-udp, protocol="udp"]
logpath = /var/log/asterisk/messages
maxretry = 10
[freeswitch]
port = 5060,5061
action_ = %(default/action_)s[name=%(__name__)s-tcp, protocol="tcp"]
%(default/action_)s[name=%(__name__)s-udp, protocol="udp"]
logpath = /var/log/freeswitch.log
maxretry = 10
# enable adminlog; it will log to a file inside znc's directory by default.
[znc-adminlog]
port = 6667
logpath = /var/lib/znc/moddata/adminlog/znc.log
# To log wrong MySQL access attempts add to /etc/my.cnf in [mysqld] or
# equivalent section:
# log-warnings = 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
# Log wrong MongoDB auth (for details see filter 'filter.d/mongodb-auth.conf')
[mongodb-auth]
# change port when running with "--shardsvr" or "--configsvr" runtime operation
port = 27017
logpath = /var/log/mongodb/mongodb.log
# Jail for more extended banning of persistent abusers
# !!! 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]
logpath = /var/log/fail2ban.log
banaction = %(banaction_allports)s
bantime = 1w
findtime = 1d
# 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
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_ = %(default/action_)s[name=%(__name__)s-tcp, port="%(tcpport)s", protocol="tcp"]
%(default/action_)s[name=%(__name__)s-udp, port="%(udpport)s", protocol="udp"]
[softethervpn]
port = 500,4500
protocol = udp
logpath = /usr/local/vpnserver/security_log/*/sec.log
[gitlab]
port = http,https
logpath = /var/log/gitlab/gitlab-rails/application.log
[grafana]
port = http,https
logpath = /var/log/grafana/grafana.log
[bitwarden]
port = http,https
logpath = /home/*/bwdata/logs/identity/Identity/log.txt
[centreon]
port = http,https
logpath = /var/log/centreon/login.log
# 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 jail.local
knocking_url = /knocking/
filter = apache-pass[knocking_url="%(knocking_url)s"]
# access log of the website with HTTP auth
logpath = %(apache_access_log)s
blocktype = RETURN
returntype = DROP
action = %(action_)s[blocktype=%(blocktype)s, returntype=%(returntype)s,
actionstart_on_demand=false, actionrepair_on_unban=true]
bantime = 1h
maxretry = 1
findtime = 1
[murmur]
# AKA mumble-server
port = 64738
action_ = %(default/action_)s[name=%(__name__)s-tcp, protocol="tcp"]
%(default/action_)s[name=%(__name__)s-udp, protocol="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
[slapd] port = ldap,ldaps
logpath = /var/log/slapd.log
[domino-smtp]
port = smtp,ssmtp
logpath = /home/domino01/data/IBM_TECHNICAL_SUPPORT/console.log
[phpmyadmin-syslog]
port = http,https
logpath = %(syslog_authpriv)s
backend = %(syslog_backend)s
[zoneminder]
# Zoneminder HTTP/HTTPS web interface auth
# Logs auth failures to apache2 error log
port = http,https
logpath = %(apache_error_log)s
[traefik-auth]
# to use 'traefik-auth' filter you have to configure your Traefik instance,
# see `filter.d/traefik-auth.conf` for details and service example.
port = http,https
logpath = /var/log/traefik/access.log
[scanlogd]
logpath = %(syslog_local0)s
banaction = %(banaction_allports)s
#[dovecot-pop3imap]
#enabled = true
#filter = dovecot-pop3imap
#action = iptables-multiport[name=dovecot-pop3imap, port="pop3,imap", protocol=tcp]
#logpath = /var/log/mail.log
#maxretry = 1
#findtime = 1200
#bantime = 1200
[sasl]
enabled = true
port = smtp
filter = postfix-sasl
logpath = /var/log/mail.log
maxretry = 1
#[dovecot-test]
#enabled = true
#port = pop3,pop3s,imap,imaps
#filter = dovecot
#logpath = /var/log/mail.log
#maxretry = 1
[dovecot]
enabled = true
action = iptables-ipset-proto6[protocol=tcp,name=sshd,bantime=86400]
port = 25,465,587
filter = dovecot
logpath = /var/log/auth.log
maxretry = 3
findtime = 1200
bantime = 3600
ignoreip = 127.0.0.0/8/etc/fail2ban/jail.d/defaults-debian.conf
[sshd]
enabled = true
[postfix]
enabled = true
[postfix-sasl]
enabled = true
/etc/fail2ban/filter.d/sshd.conf
# Fail2Ban filter for openssh
#
# If you want to protect OpenSSH from being bruteforced by password
# authentication then get public key authentication working before disabling
# PasswordAuthentication in sshd_config.
#
#
# "Connection from <HOST> port \d+" requires LogLevel VERBOSE in sshd_config
#
[INCLUDES]
# Read common prefixes. If any customizations available -- read them from
# common.local
before = common.conf
[DEFAULT]
_daemon = sshd
# optional prefix (logged from several ssh versions) like "error: ", "error: PAM: " or "fatal: "
__pref = (?:(?:error|fatal): (?:PAM: )?)?
# optional suffix (logged from several ssh versions) like " [preauth]"
#__suff = (?: port \d+)?(?: \[preauth\])?\s*
__suff = (?: (?:port \d+|on \S+|\[preauth\])){0,3}\s*
__on_port_opt = (?: (?:port \d+|on \S+)){0,2}
# close by authenticating user:
__authng_user = (?: (?:invalid|authenticating) user <F-USER>\S+|.*?</F-USER>)?
# for all possible (also future) forms of "no matching (cipher|mac|MAC|compression method|key exchange method|host key type) found",
# see ssherr.c for all possible SSH_ERR_..._ALG_MATCH errors.
__alg_match = (?:(?:\w+ (?!found\b)){0,2}\w+)
# PAM authentication mechanism, can be overridden, e. g. `filter = sshd[__pam_auth='pam_ldap']`:
__pam_auth = pam_[a-z]+
[Definition]
prefregex = ^<F-MLFID>%(__prefix_line)s</F-MLFID>%(__pref)s<F-CONTENT>.+</F-CONTENT>$
cmnfailre = ^[aA]uthentication (?:failure|error|failed) for <F-USER>.*</F-USER> from <HOST>( via \S+)?%(__suff)s$
^User not known to the underlying authentication module for <F-USER>.*</F-USER> from <HOST>%(__suff)s$
<cmnfailre-failed-pub-<publickey>>
^Failed <cmnfailed> for (?P<cond_inv>invalid user )?<F-USER>(?P<cond_user>\S+)|(?(cond_inv)(?:(?! from ).)*?|[^:]+)</F-USER> from <HOST>%(__on_port_opt)s(?: ssh\d*)?(?(cond_user): |(?:(?:(?! from ).)*)$)
^<F-USER>ROOT</F-USER> LOGIN REFUSED FROM <HOST>
^[iI](?:llegal|nvalid) user <F-USER>.*?</F-USER> from <HOST>%(__suff)s$
^User <F-USER>\S+|.*?</F-USER> from <HOST> not allowed because not listed in AllowUsers%(__suff)s$
^User <F-USER>\S+|.*?</F-USER> from <HOST> not allowed because listed in DenyUsers%(__suff)s$
^User <F-USER>\S+|.*?</F-USER> from <HOST> not allowed because not in any group%(__suff)s$
^refused connect from \S+ \(<HOST>\)
^Received <F-MLFFORGET>disconnect</F-MLFFORGET> from <HOST>%(__on_port_opt)s:\s*3: .*: Auth fail%(__suff)s$
^User <F-USER>\S+|.*?</F-USER> from <HOST> not allowed because a group is listed in DenyGroups%(__suff)s$
^User <F-USER>\S+|.*?</F-USER> from <HOST> not allowed because none of user's groups are listed in AllowGroups%(__suff)s$
^<F-NOFAIL>%(__pam_auth)s\(sshd:auth\):\s+authentication failure;</F-NOFAIL>(?:\s+(?:(?:logname|e?uid|tty)=\S*)){0,4}\s+ruser=<F-ALT_USER>\S*</F-ALT_USER>\s+rhost=<HOST>(?:\s+user=<F-USER>\S*</F-USER>)?%(__suff)s$
^maximum authentication attempts exceeded for <F-USER>.*</F-USER> from <HOST>%(__on_port_opt)s(?: ssh\d*)?%(__suff)s$
^User <F-USER>\S+|.*?</F-USER> not allowed because account is locked%(__suff)s
^<F-MLFFORGET>Disconnecting</F-MLFFORGET>(?: from)?(?: (?:invalid|authenticating)) user <F-USER>\S+</F-USER> <HOST>%(__on_port_opt)s:\s*Change of username or service not allowed:\s*.*\[preauth\]\s*$
^Disconnecting: Too many authentication failures(?: for <F-USER>\S+|.*?</F-USER>)?%(__suff)s$
^<F-NOFAIL>Received <F-MLFFORGET>disconnect</F-MLFFORGET></F-NOFAIL> from <HOST>%(__on_port_opt)s:\s*11:
<mdre-<mode>-other>
^<F-MLFFORGET><F-MLFGAINED>Accepted \w+</F-MLFGAINED></F-MLFFORGET> for <F-USER>\S+</F-USER> from <HOST>(?:\s|$)
cmnfailed-any = \S+
cmnfailed-ignore = \b(?!publickey)\S+
cmnfailed-invalid = <cmnfailed-ignore>
cmnfailed-nofail = (?:<F-NOFAIL>publickey</F-NOFAIL>|\S+)
cmnfailed = <cmnfailed-<publickey>>
mdre-normal =
# used to differentiate "connection closed" with and without `[preauth]` (fail/nofail cases in ddos mode)
mdre-normal-other = ^<F-NOFAIL><F-MLFFORGET>(Connection closed|Disconnected)</F-MLFFORGET></F-NOFAIL> (?:by|from)%(__authng_user)s <HOST>(?:%(__suff)s|\s*)$
mdre-ddos = ^Did not receive identification string from <HOST>
^kex_exchange_identification: (?:[Cc]lient sent invalid protocol identifier|[Cc]onnection closed by remote host)
^Bad protocol version identification '.*' from <HOST>
^<F-NOFAIL>SSH: Server;Ltype:</F-NOFAIL> (?:Authname|Version|Kex);Remote: <HOST>-\d+;[A-Z]\w+:
^Read from socket failed: Connection <F-MLFFORGET>reset</F-MLFFORGET> by peer
# same as mdre-normal-other, but as failure (without <F-NOFAIL>) and [preauth] only:
mdre-ddos-other = ^<F-MLFFORGET>(Connection (?:closed|reset)|Disconnected)</F-MLFFORGET> (?:by|from)%(__authng_user)s <HOST>%(__on_port_opt)s\s+\[preauth\]\s*$
mdre-extra = ^Received <F-MLFFORGET>disconnect</F-MLFFORGET> from <HOST>%(__on_port_opt)s:\s*14: No(?: supported)? authentication methods available
^Unable to negotiate with <HOST>%(__on_port_opt)s: no matching <__alg_match> found.
^Unable to negotiate a <__alg_match>
^no matching <__alg_match> found:
# part of mdre-ddos-other, but user name is supplied (invalid/authenticating) on [preauth] phase only:
mdre-extra-other = ^<F-MLFFORGET>Disconnected</F-MLFFORGET>(?: from)?(?: (?:invalid|authenticating)) user <F-USER>\S+|.*?</F-USER> <HOST>%(__on_port_opt)s \[preauth\]\s*$
mdre-aggressive = %(mdre-ddos)s
%(mdre-extra)s
# mdre-extra-other is fully included within mdre-ddos-other:
mdre-aggressive-other = %(mdre-ddos-other)s
# Parameter "publickey": nofail (default), invalid, any, ignore
publickey = nofail
# consider failed publickey for invalid users only:
cmnfailre-failed-pub-invalid = ^Failed publickey for invalid user <F-USER>(?P<cond_user>\S+)|(?:(?! from ).)*?</F-USER> from <HOST>%(__on_port_opt)s(?: ssh\d*)?(?(cond_user): |(?:(?:(?! from ).)*)$)
# consider failed publickey for valid users too (don't need RE, see cmnfailed):
cmnfailre-failed-pub-any =
# same as invalid, but consider failed publickey for valid users too, just as no failure (helper to get IP and user-name only, see cmnfailed):
cmnfailre-failed-pub-nofail = <cmnfailre-failed-pub-invalid>
# don't consider failed publickey as failures (don't need RE, see cmnfailed):
cmnfailre-failed-pub-ignore =
cfooterre = ^<F-NOFAIL>Connection from</F-NOFAIL> <HOST>
failregex = %(cmnfailre)s
<mdre-<mode>>
%(cfooterre)s
# Parameter "mode": normal (default), ddos, extra or aggressive (combines all)
# Usage example (for jail.local):
# [sshd]
# mode = extra
# # or another jail (rewrite filter parameters of jail):
# [sshd-aggressive]
# filter = sshd[mode=aggressive]
#
mode = normal
#filter = sshd[mode=aggressive]
ignoreregex =
maxlines = 1
journalmatch = _SYSTEMD_UNIT=sshd.service + _COMM=sshd
# DEV Notes:
#
# "Failed \S+ for .*? from <HOST>..." failregex uses non-greedy catch-all because
# it is coming before use of <HOST> which is not hard-anchored at the end as well,
# and later catch-all's could contain user-provided input, which need to be greedily
# matched away first.
#
# Author: Cyril Jaquier, Yaroslav Halchenko, Petr Voralek, Daniel Black and Sergey Brester aka sebres
# Rewritten using prefregex (and introduced "mode" parameter) by Serg G. Brester.
