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Revision as of 19:51, 2 October 2011

This is the complete ChangeLog which contains changes to the stable and unstable branches.

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Fail2Ban (version 0.8.4)                                              2009/09/07

ver. 0.8.4 (2009/09/07) - stable
- Check the inode number for rotation in addition to checking the first line of
  the file. Thanks to Jonathan Kamens. Red Hat #503852. Tracker #2800279.
- Moved the shutdown of the logging subsystem out of Server.quit() to
  the end of Server.start(). Fixes the 'cannot release un-acquired lock'
- Added "Ban IP" command. Thanks to Arturo 'Buanzo' Busleiman.
- Added two new filters: lighttpd-fastcgi and php-url-fopen.
- Fixed the 'unexpected communication error' problem by means of
  use_poll=False in Python >= 2.6.
- Merged patches from Debian package. Thanks to Yaroslav Halchenko.
- Use current day and month instead of Jan 1st if both are not available in the
  log. Thanks to Andreas Itzchak Rehberg.
- Try to match the regex even if the line does not contain a valid date/time.
  Described in Debian #491253. Thanks to Yaroslav Halchenko.
- Added/improved filters and date formats.
- Added actions to report abuse to ISP, DShield and myNetWatchman. Thanks to
  Russell Odom.
- Suse init script. Remove socket file on startup is fail2ban crashed. Thanks to
  Detlef Reichelt.
- Removed begin-line anchor for "standard" timestamp. Fixed Debian bug #500824.
- Added nagios script. Thanks to Sebastian Mueller.
- Added CPanel date format. Thanks to David Collins. Tracker #1967610.
- Improved SASL filter. Thanks to Loic Pefferkorn. Tracker #2310410.
- Added NetBSD ipfilter (ipf command) action. Thanks to Ed Ravin. Tracker
- Added cyrus-imap and sieve filters. Thanks to Jan Wagner. Debian bug #513953.
- Changed <HOST> template to be more restrictive. Debian bug #514163.
- Use timetuple instead of utctimetuple for ISO 8601. Maybe not a 100% correct
  fix but seems to work. Tracker #2500276.
- Made the named-refused regex a bit less restrictive in order to match logs
  with "view". Thanks to Stephen Gildea.
- Fixed maxretry/findtime rate. Many thanks to Christos Psonis. Tracker

ver. 0.8.3 (2008/07/17) - stable
- Process failtickets as long as failmanager is not empty.
- Added "pam-generic" filter and more configuration fixes.
  Thanks to Yaroslav Halchenko.
- Fixed socket path in redhat and suse init script. Thanks to
  Jim Wight.
- Fixed PID file while started in daemon mode. Thanks to
  Christian Jobic who submitted a similar patch.
- Fixed "fail2ban-client get <jail> logpath". Bug #1916986.
- Added gssftpd filter. Thanks to Kevin Zembower.
- Added "Day/Month/Year Hour:Minute:Second" date template.
  Thanks to Dennis Winter.
- Fixed ignoreregex processing in fail2ban-client. Thanks to
  René Berber.
- Added ISO 8601 date/time format.
- Added and changed some logging level and messages.
- Added missing ignoreregex to filters. Thanks to Klaus
- Use poll instead of select in asyncore.loop. This should
  solve the "Unknown error 514". Thanks to Michael Geiger and
  Klaus Lehmann.

ver. 0.8.2 (2008/03/06) - stable
- Fixed named filter. Thanks to Yaroslav Halchenko
- Fixed wrong path for apache-auth in jail.conf. Thanks to
  Vincent Deffontaines
- Fixed timezone bug with epoch date template. Thanks to
  Michael Hanselmann
- Added "full line failregex" patch. Thanks to Yaroslav
  Halchenko. It will be possible to create stronger failregex
  against log injection
- Fixed ipfw action script. Thanks to Nick Munger
- Removed date from logging message when using SYSLOG. Thanks
  to Iain Lea
- Fixed "ignore IPs". Only the first value was taken into
  account. Thanks to Adrien Clerc
- Moved socket to /var/run/fail2ban.
- Rewrote the communication server.
- Refactoring. Reduced number of files.
- Removed Python 2.4. Minimum required version is now Python
- New log rotation detection algorithm.
- Print monitored files in status.
- Create a PID file in /var/run/fail2ban/. Thanks to Julien
- Fixed "Feb 29" bug. Thanks to James Andrewartha who pointed
  this out. Thanks to Yaroslav Halchenko for the fix.
- "reload <jail>" reloads a single jail and the parameters in
- Added Mac OS/X startup script. Thanks to Bill Heaton.
- Absorbed some Debian patches. Thanks to Yaroslav Halchenko.
- Replaced "echo" with "printf" in actions. Fix #1839673
- Replaced "reject" with "drop" in shorwall action. Fix
- Fixed Debian bug #456567, #468477, #462060, #461426
- readline is now optional in fail2ban-client (not needed in

ver. 0.8.1 (2007/08/14) - stable
- Fixed vulnerability in sshd.conf. Thanks to Daniel B. Cid
- Expand <HOST> in ignoreregex. Thanks to Yaroslav Halchenko
- Improved regular expressions. Thanks to Yaroslav Halchenko
  and others
- Added sendmail actions. The action started with "mail" are
  now deprecated. Thanks to Raphaël Marichez
- Added "ignoreregex" support to fail2ban-regex
- Updated suse-initd and added it to MANIFEST. Thanks to
  Christian Rauch
- Tightening up the pid check in redhat-initd. Thanks to
  David Nutter
- Added webmin authentication filter. Thanks to Guillaume
- Removed textToDns() which is not required anymore. Thanks
  to Yaroslav Halchenko
- Added new action iptables-allports. Thanks to Yaroslav
- Added "named" date format to date detector. Thanks to
  Yaroslav Halchenko
- Added filter file for named (bind9). Thanks to Yaroslav
- Fixed vsftpd filter. Thanks to Yaroslav Halchenko

ver. 0.8.0 (2007/05/03) - stable
- Fixed RedHat init script. Thanks to Jonathan Underwood
- Added Solaris 10 files. Thanks to Hanno 'Rince' Wagner

ver. 0.7.9 (2007/04/19) - release candidate
- Close opened handlers. Thanks to Yaroslav Halchenko
- Fixed "reload" bug. Many many thanks to Yaroslav Halchenko
- Added date format for asctime without year
- Modified filters config. Thanks to Michael C. Haller
- Fixed a small bug in mail-buffered.conf

ver. 0.7.8 (2007/03/21) - release candidate
- Fixed asctime pattern in datedetector.py
- Added new filters/actions. Thanks to Yaroslav Halchenko
- Added Suse init script and modified gentoo-initd. Thanks to
  Christian Rauch
- Moved every locking statements in a try..finally block

ver. 0.7.7 (2007/02/08) - release candidate
- Added signal handling in fail2ban-client
- Added a wonderful visual effect when waiting on the server
- fail2ban-client returns an error code if configuration is
  not valid
- Added new filters/actions. Thanks to Yaroslav Halchenko
- Call Python interpreter directly (instead of using "env")
- Added file support to fail2ban-regex. Benchmark feature has
  been removed
- Added cacti script and template.
- Added IP list in "status <JAIL>". Thanks to Eric Gerbier

ver. 0.7.6 (2007/01/04) - beta
- Added a "sleep 1" in redhat-initd. Thanks to Jim Wight
- Use /dev/log for SYSLOG output. Thanks to Joerg Sommrey
- Use numeric output for iptables in "actioncheck"
- Fixed removal of host in hosts.deny. Thanks to René Berber
- Added new date format (2006-12-21 06:43:20) and Exim4
  filter. Thanks to mEDI
- Several "failregex" and "ignoreregex" are now accepted.
  Creation of rules should be easier now.
- Added license in COPYING. Thanks to Axel Thimm
- Allow comma in action options. The value of the option must
  be escaped with " or '. Thanks to Yaroslav Halchenko
- Now Fail2ban goes in /usr/share/fail2ban instead of
  /usr/lib/fail2ban. This is more compliant with FHS. Thanks
  to Axel Thimm and Yaroslav Halchenko

ver. 0.7.5 (2006/12/07) - beta
- Do not ban a host that is currently banned. Thanks to
  Yaroslav Halchenko
- The supported tags in "action(un)ban" are <ip>, <failures>
  and <time>
- Fixed refactoring bug (getLastcommand -> getLastAction)
- Added option "ignoreregex" in filter scripts and jail.conf.
  Feature Request #1283304
- Fixed a bug in user defined time regex/pattern
- Improved documentation
- Moved version.py and protocol.py to common/
- Merged "maxtime" option with "findtime"
- Added "<HOST>" tag support in failregex which matches
  default IP address/hostname. "(?P<host>\S)" is still valid
  and supported
- Fixed exception when calling fail2ban-server with unknown
- Fixed Debian bug 400162. The "socket" option is now handled
  correctly by fail2ban-client
- Fixed RedHat init script. Thanks to Justin Shore
- Changed timeout to 30 secondes before assuming the server
  cannot be started. Thanks to Joël Bertrand

ver. 0.7.4 (2006/11/01) - beta
- Improved configuration files. Thanks to Yaroslav Halchenko
- Added man page for "fail2ban-regex"
- Moved ban/unban messages from "info" level to "warn"
- Added "-s" option to specify the socket path and "socket"
  option in "fail2ban.conf"
- Added "backend" option in "jail.conf"
- Added more filters/actions and jail samples. Thanks to Nick
  Munger, Christoph Haas
- Improved testing framework
- Fixed a bug in the return code handling of the executed
  commands. Thanks to Yaroslav Halchenko
- Signal handling. There is a bug with join() and signal in
- Better debugging output for "fail2ban-regex"
- Added support for more date format
- cPickle does not work with Python 2.5. Use pickle instead
  (performance is not a problem in our case)

ver. 0.7.3 (2006/09/28) - beta
- Added man pages. Thanks to Yaroslav Halchenko
- Added wildcard support for "logpath"
- Added Gamin (file and directory monitoring system) support
- (Re)added "ignoreip" option
- Added more concurrency protection
- First attempt at solving bug #1457620 (locale issue)
- Performance improvements
- (Re)added permanent banning with banTime < 0
- Added DNS support to "ignoreip". Feature Request #1285859

ver. 0.7.2 (2006/09/10) - beta
- Refactoring and code cleanup
- Improved client output
- Added more get/set commands
- Added more configuration templates
- Removed "logpath" and "maxretry" from filter templates.
  They must be defined in jail.conf now
- Added interactive mode. Use "-i"
- Added a date detector. "timeregex" and "timepattern" are no
  more needed
- Added "fail2ban-regex". This is a tool to help finding
- Improved server communication. Start a new thread for each
  incoming request. Fail2ban is not really thread-safe yet

ver. 0.7.1 (2006/08/23) - alpha
- Fixed daemon mode bug
- Added Gentoo init.d script
- Fixed path bug when trying to start "fail2ban-server"
- Fixed reload command

ver. 0.7.0 (2006/08/23) - alpha
- Almost a complete rewrite :) Fail2ban design is really
  better (IMHO). There is a lot of new features
- Client/Server architecture
- Multithreading. Each jail has its own threads: one for the
  log reading and another for the actions
- Execute several actions
- Split configuration files. They are more readable and easy
  to use
- failregex uses group (<host>) now. This feature was already
  present in the Debian package
- lots of things...

ver. 0.6.2 (2006/12/11) - stable
- Fixed UTF-8 log file parsing
- Propagated patches introduced by Debian maintainer 
  (Yaroslav Halchenko):
  * Made locale configurable
  * Fixed warning if ignoreip is empty
- Added named group "host" for "failregex". Fixed security
  vulnerability CVE-2006-6302

ver. 0.6.1 (2006/03/16) - stable
- Added permanent banning. Set banTime to a negative value to
  enable this feature (-1 is perfect). Thanks to Mannone
- Fixed locale bug. Thanks to Fernando José
- Fixed crash when time format does not match data
- Propagated patch from Debian to fix fail2ban search path
  addition to the path search list: now it is added first.
  Thanks to Nick Craig-Wood
- Added SMTP authentification for mail notification. Thanks
  to Markus Hoffmann
- Removed debug mode as it is confusing for people
- Added parsing of timestamp in TAI64N format (#1275325).
  Thanks to Mark Edgington
- Added patch #1382936 (Default formatted syslog logging).
  Thanks to Patrick Börjesson
- Removed from ignoreip. Attacks could also
  come from the local network.
- Robust startup: if iptables module does not get fully
  initialized after startup of fail2ban, fail2ban will do
  "maxreinit" attempts to initialize its own firewall. It
  will sleep between attempts for "polltime" number of
  seconds (closes Debian: #334272). Thanks to Yaroslav
- Added "interpolations" in fail2ban.conf. This is provided
  by the ConfigParser module. Old configuration files still
  work. Thanks to Yaroslav Halchenko
- Added initial support for hosts.deny and shorewall. Need
  more testing. Please test. Thanks to kojiro from Gentoo
  forum for hosts.deny support
- Added support for vsftpd. Thanks to zugeschmiert

ver. 0.6.0 (2005/11/20) - stable
- Propagated patches introduced by Debian maintainer
  (Yaroslav Halchenko):
  * Added an option to report local time (including timezone)
    or GMT in mail notification.

ver. 0.5.5 (2005/10/26) - beta
- Propagated patches introduced by Debian maintainer
  (Yaroslav Halchenko):
  * Introduced fwcheck option to verify consistency of the
    chains. Implemented automatic restart of fail2ban main
    function in case check of fwban or fwunban command failed
    (closes: #329163, #331695). (Introduced patch was further
    adjusted by upstream author).
  * Added -f command line parameter for [findtime].
  * Added a cleanup of firewall rules on emergency shutdown
    when unknown exception is catched.
  * Fail2ban should not crash now if a wrong file name is
    specified in config.
  * reordered code a bit so that log targets are setup right
    after background and then only loglevel (verbose, debug)
    is processed, so the warning could be seen in the logs
  * Added a keyword <section> in parsing of the subject and
    the body of an email sent out by fail2ban (closes:

ver. 0.5.4 (2005/09/13) - beta
- Fixed bug #1286222.
- Propagated patches introduced by Debian maintainer
  (Yaroslav Halchenko):
  * Fixed handling of SYSLOG logging target. Now it can log
    to any SYSLOG target and facility as directed by the
  * Format of SYSLOG entries fixed to look closer to standard
  * Fixed errata in config/gentoo-confd
  * Introduced findtime configuration variable to control the
    lifetime of caught "failed" log entries

ver. 0.5.3 (2005/09/08) - beta
- Fixed a bug when overriding "maxfailures" or "bantime".
  Thanks to Yaroslav Halchenko
- Added more debug output if an error occurs when sending
  mail. Thanks to Stephen Gildea
- Renamed "maxretry" to "maxfailures" and changed default
  value to 5. Thanks to Stephen Gildea
- Hopefully fixed bug #1256075
- Fixed bug #1262345
- Fixed exception handling in PIDLock
- Removed warning when using "-V" or "-h" with no config
  file. Thanks to Yaroslav Halchenko
- Removed "-i eth0" from config file. Thanks to Yaroslav

ver. 0.5.2 (2005/08/06) - beta
- Better PID lock file handling. Should close #1239562
- Added man pages
- Removed log4py dependency. Use logging module instead
- "maxretry" and "bantime" can be overridden in each section
- Fixed bug #1246278 (excessive memory usage)
- Fixed crash on wrong option value in configuration file
- Changed custom chains to lowercase

ver. 0.5.1 (2005/07/23) - beta
- Fixed bugs #1241756, #1239557
- Added log targets in configuration file. Removed -l option
- Changed iptables rules in order to create a separated chain
  for each section
- Fixed static banList in firewall.py
- Added an initd script for Debian. Thanks to Yaroslav
- Check for obsolete files after install

ver. 0.5.0 (2005/07/12) - beta
- Added support for CIDR mask in ignoreip
- Added mail notification support
- Fixed bug #1234699
- Added tags replacement in rules definition. Should allow a
  clean solution for Feature Request #1229479
- Removed "interface" and "firewall" options
- Added start and end commands in the configuration file.
  Thanks to Yaroslav Halchenko
- Added firewall rules definition in the configuration file
- Cleaned fail2ban.py
- Added an initd script for RedHat/Fedora. Thanks to Andrey
  G. Grozin

ver. 0.4.1 (2005/06/30) - stable
- Fixed textToDNS method which generated wrong matches for
  "rhost=12-xyz...". Thanks to Tom Pike
- fail2ban.conf modified for readability. Thanks to Iain Lea
- Added an initd script for Gentoo
- Changed default PID lock file location from /tmp to

ver. 0.4.0 (2005/04/24) - stable
- Fixed textToDNS which did not recognize strings like

ver. 0.3.1 (2005/03/31) - beta
- Corrected level of messages
- Added DNS lookup support
- Improved parsing speed. Only parse the new log messages
- Added a second verbose level (-vv)

ver. 0.3.0 (2005/02/24) - beta
- Re-writting of parts of the code in order to handle several
  log files with different rules
- Removed sshd.py because it is no more needed
- Fixed a bug when exiting with IP in the ban list
- Added PID lock file
- Improved some parts of the code
- Added ipfw-start-rule option (thanks to Robert Edeker)
- Added -k option which kills a currently running Fail2Ban

ver. 0.1.2 (2004/11/21) - beta
- Add ipfw and ipfwadm support. The rules are taken from
  BlockIt. Thanks to Robert Edeker
- Add -e option which allows to set the interface. Thanks to
  Robert Edeker who reminded me this
- Small code cleaning

ver. 0.1.1 (2004/10/23) - beta
- Add SIGTERM handler in order to exit nicely when in daemon
- Add -r option which allows to set the maximum number of
  login failures
- Remove the Metalog class as the log file are not so syslog
  daemon specific
- Rewrite log reader to be service centered. Sshd support
  added. Match "Failed password" and "Illegal user"
- Add /etc/fail2ban.conf configuration support
- Code documentation

ver. 0.1.0 (2004/10/12) - alpha
- Initial release