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ChangeLog
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__ _ _ ___ _
/ _|__ _(_) |_ ) |__ __ _ _ _
| _/ _` | | |/ /| '_ \/ _` | ' \
|_| \__,_|_|_/___|_.__/\__,_|_||_|
Fail2Ban: Changelog
===================
ver. 0.10.0 (2016/XX/XXX) - gonna-be-released-some-time-shining
-----------
TODO: implementing of options resp. other tasks from PR #1346
### Fixes
* [grave] memory leak's fixed (gh-1277, gh-1234)
* tricky bug fix: last position of log file will be never retrieved (gh-795),
because of CASCADE all log entries will be deleted from logs table together with jail,
if used "INSERT OR REPLACE" statement
* asyncserver (asyncore) code fixed and test cases repaired (again gh-161)
* testSocket: sporadical bug repaired - wait for server thread starts a socket (listener)
* testExecuteTimeoutWithNastyChildren: sporadical bug repaired - wait for pid file inside bash,
kill tree in any case (gh-1155)
### New Features
* IPv6 support:
- IP addresses are now handled as objects rather than strings capable for
handling both address types IPv4 and IPv6
- iptables related actions have been amended to support IPv6 specific actions
additionally
- hostsdeny and route actions have been tested to be aware of v4 and v6 already
- pf action for *BSD systems has been improved and supports now also v4 and v6
- name resolution is now working for either address type
- new conditional section functionality used in config resp. includes:
- [Init?family=inet4] - IPv4 qualified hosts only
- [Init?family=inet6] - IPv6 qualified hosts only
### Enhancements
* huge increasing of fail2ban performance and especially test-cases performance (see gh-1109)
* datedetector: in-place reordering using hits and last used time:
matchTime, template list etc. rewritten because of performance degradation
* prevent out of memory situation if many IP's makes extremely many failures (maxEntries)
* introduced string to seconds (str2seconds) for configuration entries with time,
use `1h` instead of `3600`, `1d` instead of `86400`, etc
* seekToTime - prevent completely read of big files first time (after start of service),
initial seek to start time using half-interval search algorithm (see issue gh-795)
* ticket and some other modules prepared to easy merge with newest version of 'ban-time-incr'
* cache dnsToIp, ipToName to prevent long wait during retrieving of ip/name,
especially for wrong dns or lazy dns-system
* FailManager memory-optimization: increases performance,
prevents memory leakage, because don't copy failures list on some operations
* fail2ban-testcases - new options introduced:
- `-f`, `--fast` to decrease wait intervals, avoid passive waiting, and skip
few very slow test cases (implied memory database, see `-m` and no gamin tests `-g`)
- `-g`, `--no-gamin` to prevent running of tests that require the gamin (slow)
- `-m`, `--memory-db` - run database tests using memory instead of file
- `-i`, `--ignore` - negate [regexps] filter to ignore tests matched specified regexps
* background servicing: prevents memory leak on some platforms/python versions, using forced GC
in periodic intervals (latency and threshold)
* executeCmd partially moved from action to new module utils
* several functionality of class `DNSUtils` moved to new class `IPAddr`,
both classes moved to new module `ipdns`
* pseudo-conditional section introduced, for conditional substitution resp.
evaluation of parameters for different family qualified hosts,
syntax `[Section?family=inet6]` (currently use for IPv6-support only).
ver. 0.9.6 (2016/XX/XX) - wanna-be-released
-----------
0.9.x line is no longer heavily developed. If you are interested in
new features (e.g. IPv6 support), please consider 0.10 branch and its
releases.
### Fixes
* Misleading add resp. enable of (already available) jail in database, that
induced a subsequent error: last position of log file will be never retrieved (gh-795)
* Fixed a distribution related bug within testReadStockJailConfForceEnabled
(e.g. test-cases faults on Fedora, see gh-1353)
* Fixed pythonic filters and test scripts (running via wrong python version,
uses "fail2ban-python" now);
* Fixed test case "testSetupInstallRoot" for not default python version (also
using direct call, out of virtualenv);
* Fixed ambiguous wrong recognized date pattern resp. its optional parts (see gh-1512);
* `filter.d/asterisk.conf`
- Fixed to match different asterisk log prefix (source file: method:)
* `filter.d/ignorecommands/apache-fakegooglebot`
- Fixed error within apache-fakegooglebot, that will be called
with wrong python version (gh-1506)
* `filter.d/assp.conf`
- Extended failregex and test cases to handle ASSP V1 and V2 (gh-1494)
* `filter.d/postfix-sasl.conf`
- Allow for having no trailing space after 'failed:' (gh-1497)
### New Features
### Enhancements
* DateTemplate regexp extended with the word-end boundary, additionally to
word-start boundary
* Introduces new command "fail2ban-python", as automatically created symlink to
python executable, where fail2ban currently installed (resp. its modules are located):
- allows to use the same version, fail2ban currently running, e.g. in
external scripts just via replace python with fail2ban-python:
```diff
-#!/usr/bin/env python
+#!/usr/bin/env fail2ban-python
```
- always the same pickle protocol
- the same (and also guaranteed available) fail2ban modules
- simplified stand-alone install, resp. stand-alone installation possibility
via setup (like gh-1487) is getting closer
* Several test cases rewritten using new methods assertIn, assertNotIn
* New forward compatibility method assertRaisesRegexp (normally python >= 2.7).
Methods assertIn, assertNotIn, assertRaisesRegexp, assertLogged, assertNotLogged
are test covered now
* Jail configuration extended with new syntax to pass options to the backend (see gh-1408),
examples:
- `backend = systemd[journalpath=/run/log/journal/machine-1]`
- `backend = systemd[journalfiles="/run/log/journal/machine-1/system.journal, /run/log/journal/machine-1/user.journal"]`
- `backend = systemd[journalflags=2]`
ver. 0.9.5 (2016/07/15) - old-not-obsolete
-----------
### Fixes
* `filter.d/monit.conf`
- Extended failregex with new monit "access denied" version (gh-1355)
- failregex of previous monit version merged as single expression
* `filter.d/postfix.conf`, `filter.d/postfix-sasl.conf`
- Extended failregex daemon part, matching also `postfix/smtps/smtpd`
now (gh-1391)
* Fixed a grave bug within tags substitutions because of incorrect
detection of recursion in case of multiple inline substitutions
of the same tag (affected actions: `bsd-ipfw`, etc). Now tracks
the actual list of the already substituted tags (per tag instead
of single list)
* `filter.d/common.conf`
- Unexpected extra regex-space in generic `__prefix_line` (gh-1405)
- All optional spaces normalized in `common.conf`, test covered now
- Generic `__prefix_line` extended with optional brackets for the
date ambit (gh-1421), added new parameter `__date_ambit`
* `gentoo-initd` fixed `--pidfile` bug: `--pidfile` is option of
`start-stop-daemon`, not argument of fail2ban (see gh-1434)
* `filter.d/asterisk.conf`
- Fixed security log support for PJSIP and Asterisk 13+ (gh-1456)
- Improved log support for PJSIP and Asterisk 13+ with different
callID (gh-1458)
### New Features
* New Actions:
- `action.d/firewallcmd-rich-rules` and `action.d/firewallcmd-rich-logging`
(gh-1367)
* New filters:
- slapd - ban hosts, that were failed to connect with invalid
credentials: error code 49 (gh-1478)
### Enhancements
* Extreme speedup of all sqlite database operations (gh-1436),
by using of following sqlite options:
- (synchronous = OFF) write data through OS without syncing
- (journal_mode = MEMORY) use memory for the transaction logging
- (temp_store = MEMORY) temporary tables and indices are kept in memory
* journald journalmatch for pure-ftpd (gh-1362)
* Added additional regex filter for dovecot ldap authentication failures (gh-1370)
* `filter.d/exim*conf`
- Added additional regexes (gh-1371)
- Made port entry optional
ver. 0.9.4 (2016/03/08) - for-you-ladies
-----------
### Fixes
* `roundcube-auth` jail typo for logpath
* Fix dnsToIp resolver for fqdn with large list of IPs (gh-1164)
* `filter.d/apache-badbots.conf`
- Updated useragent string regex adding escape for `+`
* `filter.d/mysqld-auth.conf`
- Updated "Access denied ..." regex for MySQL 5.6 and later (gh-1211, gh-1332)
* `filter.d/sshd.conf`
- Updated "Auth fail" regex for OpenSSH 5.9 and later
* Treat failed and killed execution of commands identically (only
different log messages), which addresses different behavior on different
exit codes of dash and bash (gh-1155)
* Fix jail.conf.5 man's section (gh-1226)
* Fixed default banaction for allports jails like pam-generic, recidive, etc
with new default variable `banaction_allports` (gh-1216)
* Fixed `fail2ban-regex` stops working on invalid (wrong encoded) character
for python version < 3.x (gh-1248)
* Use postfix_log logpath for postfix-rbl jail
* `filters.d/postfix.conf` - add 'Sender address rejected: Domain not found' failregex
* use `fail2ban_agent` as user-agent in actions badips, blocklist_de, etc (gh-1271)
* Fix ignoring the sender option by action_mw, action_mwl and action_c_mwl
* Changed `filter.d/asterisk` regex for "Call from ..." (few vulnerable now)
* Removed compression and rotation count from logrotate (inherit them from
the global logrotate config)
### New Features
* New interpolation feature for definition config readers - `<known/parameter>`
(means last known init definition of filters or actions with name `parameter`).
This interpolation makes possible to extend a parameters of stock filter or
action directly in jail inside jail.local file, without creating a separately
`filter.d/*.local` file.
As extension to interpolation `%(known/parameter)s`, that does not works for
filter and action init parameters
* New actions:
- `nftables-multiport` and `nftables-allports` - filtering using nftables
framework. Note: it requires a pre-existing chain for the filtering rule.
* New filters:
- `openhab` - domotic software authentication failure with the
rest api and web interface (gh-1223)
- `nginx-limit-req` - ban hosts, that were failed through nginx by limit
request processing rate (ngx_http_limit_req_module)
- `murmur` - ban hosts that repeatedly attempt to connect to
murmur/mumble-server with an invalid server password or certificate.
- `haproxy-http-auth` - filter to match failed HTTP Authentications against a
HAProxy server
* New jails:
- `murmur` - bans TCP and UDP from the bad host on the default murmur port.
* `sshd` filter got new failregex to match "maximum authentication
attempts exceeded" (introduced in openssh 6.8)
* Added filter for Mac OS screen sharing (VNC) daemon
### Enhancements
* Do not rotate empty log files
* Added new date pattern with year after day (e.g. `Sun Jan 23 2005 21:59:59`)
http://bugs.debian.org/798923
* Added openSUSE path configuration (Thanks Johannes Weberhofer)
* Allow to split ignoreip entries by ',' as well as by ' ' (gh-1197)
* Added a timeout (3 sec) to urlopen within badips.py action
(Thanks M. Maraun)
* Added check against atacker's Googlebot PTR fake records
(Thanks Pablo Rodriguez Fernandez)
* Enhance filter against atacker's Googlebot PTR fake records
(gh-1226)
* Nginx log paths extended (prefixed with "*" wildcard) (gh-1237)
* Added filter for openhab domotic software authentication failure with the
rest api and web interface (gh-1223)
* Add `*_backend` options for services to allow distros to set the default
backend per service, set default to systemd for Fedora as appropriate
* Performance improvements while monitoring large number of files (gh-1265).
Use associative array (dict) for monitored log files to speed up lookup
operations. Thanks @kshetragia
* Specified that fail2ban is PartOf iptables.service `firewalld.service` in
`.service` file -- would reload fail2ban if those services are restarted
* Provides new default `fail2ban_version` and interpolation variable
`fail2ban_agent` in jail.conf
* Enhance filter 'postfix' to ban incoming SMTP client with no fqdn hostname,
and to support multiple instances of postfix having varying suffix (gh-1331)
(Thanks Tom Hendrikx)
* `files/gentoo-initd` to use `start-stop-daemon` to robustify restarting the service
ver. 0.9.3 (2015/08/01) - lets-all-stay-friends
----------
### IMPORTANT incompatible changes
* `filter.d/roundcube-auth.conf`
- Changed logpath to 'errors' log (was 'userlogins')
* `action.d/iptables-common.conf`
- All calls to iptables command now use -w switch introduced in
iptables 1.4.20 (some distribution could have patched their
earlier base version as well) to provide this locking mechanism
useful under heavy load to avoid contesting on iptables calls.
If you need to disable, define `action.d/iptables-common.local`
with empty value for 'lockingopt' in `[Init]` section.
* `mail-whois-lines`, `sendmail-geoip-lines` and `sendmail-whois-lines`
actions now include by default only the first 1000 log lines in
the emails. Adjust `<grepopts>` to augment the behavior.
### Fixes
* reload in interactive mode appends all the jails twice (gh-825)
* reload server/jail failed if database used (but was not changed) and
some jail active (gh-1072)
* `filter.d/dovecot.conf` - also match unknown user in passwd-file.
Thanks Anton Shestakov
* Fix fail2ban-regex not parsing journalmatch correctly from filter config
* `filter.d/asterisk.conf` - fix security log support for Asterisk 12+
* `filter.d/roundcube-auth.conf`
- Updated regex to work with 'errors' log (1.0.5 and 1.1.1)
- Added regex to work with 'userlogins' log
* `action.d/sendmail*.conf` - use LC_ALL (superseeding LC_TIME) to override
locale on systems with customized LC_ALL
* performance fix: minimizes connection overhead, close socket only at
communication end (gh-1099)
* unbanip always deletes ip from database (independent of bantime, also if
currently not banned or persistent)
* guarantee order of dbfile to be before dbpurgeage (gh-1048)
* always set 'dbfile' before other database options (gh-1050)
* kill the entire process group of the child process upon timeout (gh-1129).
Otherwise could lead to resource exhaustion due to hanging whois
processes.
* resolve `/var/run/fail2ban` path in setup.py to help installation
on platforms with `/var/run` -> /run symlink (gh-1142)
### New Features
* RETURN iptables target is now a variable: `<returntype>`
* New type of operation: pass2allow, use fail2ban for "knocking",
opening a closed port by swapping blocktype and returntype
* New filters:
- froxlor-auth - Thanks Joern Muehlencord
- apache-pass - filter Apache access log for successful authentication
* New actions:
- shorewall-ipset-proto6 - using proto feature of the Shorewall. Still requires
manual pre-configuration of the shorewall. See the action file for detail.
* New jails:
- pass2allow-ftp - allows FTP traffic after successful HTTP authentication
### Enhancements
* `action.d/cloudflare.conf` - improved documentation on how to allow
multiple CF accounts, and jail.conf got new compound action
definition action_cf_mwl to submit cloudflare report.
* Check access to socket for more detailed logging on error (gh-595)
* fail2ban-testcases man page
* `filter.d/apache-badbots.conf`, `filter.d/nginx-botsearch.conf` - add
HEAD method verb
* Revamp of Travis and coverage automated testing
* Added a space between IP address and the following colon
in notification emails for easier text selection
* Character detection heuristics for whois output via optional setting
in mail-whois*.conf. Thanks Thomas Mayer.
Not enabled by default, if _whois_command is set to be
%(_whois_convert_charset)s (e.g. in `action.d/mail-whois-common.local`),
it
- detects character set of whois output (which is undefined by
RFC 3912) via heuristics of the file command
- converts whois data to UTF-8 character set with iconv
- sends the whois output in UTF-8 character set to mail program
- avoids that heirloom mailx creates binary attachment for input with
unknown character set
ver. 0.9.2 (2015/04/29) - better-quick-now-than-later
----------
### Fixes
* Fix ufw action commands
* infinite busy loop on _escapedTags match in substituteRecursiveTags gh-907.
Thanks TonyThompson
* port[s] typo in jail.conf/nginx-http-auth gh-913. Thanks Frederik Wagner
(fnerdwq)
* $ typo in jail.conf. Thanks Skibbi. Debian bug #767255
* grep'ing for IP in *mail-whois-lines.conf should now match also
at the beginning and EOL. Thanks Dean Lee
* `jail.conf`
- `php-url-fopen`: separate logpath entries by newline
* failregex declared direct in jail was joined to single line (specifying of
multiple expressions was not possible).
* `filters.d/exim.conf` - cover different settings of exim logs
details. Thanks bes.internal
* `filter.d/postfix-sasl.conf` - failregex is now case insensitive
* `filters.d/postfix.conf` - add 'Client host rejected error message' failregex
* `fail2ban/__init__.py` - add strptime thread safety hack-around
* recidive uses `iptables-allports` banaction by default now.
Avoids problems with iptables versions not understanding 'all' for
protocols and ports
* `filter.d/dovecot.conf`
- match pam_authenticate line from EL7
- match unknown user line from EL7
* Use `use_poll=True` for Python 2.7 and >=3.4 to overcome "Bad file
descriptor" msgs issue (gh-161)
* `filter.d/postfix-sasl.conf` - tweak failregex and add ignoreregex to ignore
system authentication issues
* fail2ban-regex reads filter file(s) completely, incl. '.local' file etc.
(gh-954)
* firewallcmd-* actions: split output into separate lines for grepping (gh-908)
* Guard unicode encode/decode issues while storing records in the database.
Fixes "binding parameter error (unsupported type)" (gh-973), thanks to kot
for reporting
* `filter.d/sshd` added regex for matching openSUSE ssh authentication failure
* `filter.d/asterisk.conf`:
- Dropped "Sending fake auth rejection" failregex since it incorrectly
targets the asterisk server itself
- match "hacking attempt detected" logs
### New Features
* New filters:
- postfix-rbl Thanks Lee Clemens
- apache-fakegooglebot.conf Thanks Lee Clemens
- nginx-botsearch Thanks Frantisek Sumsal
- drupal-auth Thanks Lee Clemens
* New recursive embedded substitution feature added:
- `<<PREF>HOST>` becomes `<IPV4HOST>` for PREF=`IPV4`;
- `<<PREF>HOST>` becomes `1.2.3.4` for PREF=`IPV4` and IPV4HOST=`1.2.3.4`;
* New interpolation feature for config readers - `%(known/parameter)s`.
(means last known option with name `parameter`). This interpolation makes
possible to extend a stock filter or jail regexp in .local file
(opposite to simply set failregex/ignoreregex that overwrites it),
see gh-867.
* Monit config for fail2ban in `files/monit/`
* New actions:
- `action.d/firewallcmd-multiport` and `action.d/firewallcmd-allports` Thanks Donald Yandt
- `action.d/sendmail-geoip-lines.conf`
- `action.d/nsupdate` to update DNSBL. Thanks Andrew St. Jean
* New status argument for fail2ban-client -- flavor:
`fail2ban-client status <jail> [flavor]`
- empty or "basic" works as-is
- "cymru" additionally prints (ASN, Country RIR) per banned IP
(requires dnspython or dnspython3)
* Flush log at USR1 signal
### Enhancements
* Enable multiport for firewallcmd-new action. Closes gh-834
* files/debian-initd migrated from the debian branch and should be
suitable for manual installations now (thanks Juan Karlo de Guzman)
* Define empty ignoreregex in filters which didn't have it to avoid
warnings (gh-934)
* `action.d/{sendmail-*,xarf-login-attack}.conf` - report local
timezone not UTC time/zone. Closes gh-911
* Conditionally log Ignore IP with reason (dns, ip, command). Closes gh-916
* Absorbed DNSUtils.cidr into addr2bin in filter.py, added unittests
* Added syslogsocket configuration to fail2ban.conf
* Note in the `jail.conf` for the recidive jail to increase dbpurgeage (gh-964)
ver. 0.9.1 (2014/10/29) - better, faster, stronger
----------
### Refactoring (IMPORTANT -- Please review your setup and configuration)
* `iptables-common.conf` replaced `iptables-blocktype.conf`
(`iptables-blocktype.local` should still be read) and now also
provides defaults for the chain, port, protocol and name tags
### Fixes
* start of file2ban aborted (on slow hosts, systemd considers the server has
been timed out and kills him), see gh-824
* UTF-8 fixes in pure-ftp thanks to Johannes Weberhofer. Closes gh-806.
* systemd backend error on bad utf-8 in python3
* badips.py action error when logging HTTP error raised with badips request
* fail2ban-regex failed to work in python3 due to space/tab mix
* recidive regex samples incorrect log level
* journalmatch for recidive incorrect PRIORITY
* loglevel couldn't be changed in fail2ban.conf
* Handle case when no sqlite library is available for persistent database
* Only reban once per IP from database on fail2ban restart
* Nginx filter to support missing server_name. Closes gh-676
* fail2ban-regex assertion error caused by miscount missed lines with
multiline regex
* Fix actions failing to execute for Python 3.4.0. Workaround for
http://bugs.python.org/issue21207
* Database now returns persistent bans on restart (bantime < 0)
* Recursive action tags now fully processed. Fixes issue with bsd-ipfw
action
* Fixed TypeError with "ipfailures" and "ipjailfailures" action tags.
Thanks Serg G. Brester
* Correct times for non-timezone date times formats during DST
* Pass a copy of, not original, aInfo into actions to avoid side-effects
* Per-distribution paths to the exim's main log
* Ignored IPs are no longer banned when being restored from persistent
database
* Manually unbanned IPs are now removed from persistent database, such they
wont be banned again when Fail2Ban is restarted
* Pass "bantime" parameter to the actions in default jail's action
definition(s)
* `filters.d/sieve.conf` - fixed typo in _daemon. Thanks Jisoo Park
* cyrus-imap -- also catch also failed logins via secured (imaps/pop3s).
Regression was introduced while strengthening failregex in 0.8.11 (bd175f)
Debian bug #755173
* postfix-sasl - added journalmatch. Thanks Luc Maisonobe
* postfix* - match with a new daemon string (postfix/submission/smtpd).
Closes gh-804 . Thanks Paul Traina
* apache - added filter for AH01630 client denied by server configuration.
### New Features
* New filters:
- monit Thanks Jason H Martin
- directadmin Thanks niorg
- apache-shellshock Thanks Eugene Hopkinson (SlowRiot)
* New actions:
- symbiosis-blacklist-allports for Bytemark symbiosis firewall
- fail2ban-client can fetch the running server version
- Added Cloudflare API action
### Enhancements
* Start performance of fail2ban-client (and tests) increased, start time
and cpu usage rapidly reduced. Introduced a shared storage logic, to
bypass reading lots of config files (see gh-824).
Thanks to Joost Molenaar for good catch (reported gh-820).
* Fail2ban-regex - add print-all-matched option. Closes gh-652
* Suppress fail2ban-client warnings for non-critical config options
* Match non "Bye Bye" disconnect messages for sshd locked account regex
* courier-smtp filter:
- match lines with user names
- match lines containing "535 Authentication failed" attempts
* Add `<chain>` tag to iptables-ipsets
* Realign fail2ban log output with white space to improve readability. Does
not affect SYSLOG output
* Log unhandled exceptions
* cyrus-imap: catch "user not found" attempts
* Add support for Portsentry
ver. 0.9.0 (2014/03/14) - beta
----------
Carries all fixes, features and enhancements from 0.8.13 (unreleased) with
major changes.
The minimum supported python version is now 2.6. If you have python-2.4 or 2.5
you can use the 0.8.12 version of fail2ban.
Please take note of release notes:
https://github.com/fail2ban/fail2ban/releases/tag/0.9.0
Please test your configuration before relying on it.
Nearly all development is thanks to Steven Hiscocks (THANKS!), merging,
testcases and timezone support from Daniel Black, and code-review and minor
additions from Yaroslav Halchenko.
### Refactoring (IMPORTANT -- Please review your setup and configuration):
* [..bddbf1e] jail.conf was heavily refactored and now is similar
to how it looked on Debian systems:
- default action could be configured once for all jails
- jails definitions only provide customizations (port, logpath)
- no need to specify 'filter' if name matches jail name
* [..5aef036] Core functionality moved into fail2ban/ module.
Closes gh-26
- tests included in module to aid testing and debugging
* Added fail2ban persistent database
- default location at `/var/lib/fail2ban/fail2ban.sqlite3`
- allows active bans to be reinstated on restart
- log files read from last position after restart
* Added systemd journal backend
- Dependency on python-systemd
- New "journalmatch" option added to filter configs files
- New "systemd-journal" option added to fail2ban-regex
* Added python3 support
* Support %z (Timezone offset) and %f (sub-seconds) support for
datedetector. Enhanced existing date/time have been updated patterns to
support these. ISO8601 now defaults to localtime unless specified otherwise.
Some filters have been change as required to capture these elements in the
right timezone correctly.
* Log levels are now set by Syslog style strings e.g. DEBUG, ERROR.
- Log level INFO is now more verbose
* Optionally can read log files starting from "head" or "tail".
- See "logpath" option in jail.conf(5) man page.
* Can now set log encoding for files per jail.
- Default uses systemd locale.
### New Features
* [..c7ae460] Multiline failregex. Close gh-54
* [8af32ed] Guacamole filter and support for Apache Tomcat date
format
* [..b6059f4] 'timeout' option for actions Close gh-60 and Debian
bug #410077. Also it would now capture and include stdout and stderr
into logging messages in case of error or at DEBUG loglevel.
* Added action xarf-login-attack to report formatted attack messages
according to the XARF standard (v0.2). Close gh-105
* Support PyPy
* Add filter for apache-botsearch
* Add filter for kerio. Thanks Tony Lawrence for blog of regexs and
providing samples. Close gh-120
* Filter for stunnel
* Filter for Counter Strike 1.6. Thanks to onorua for logs.
Close gh-347
* Filter for squirrelmail. Close gh-261
* Filter for tine20. Close gh-583
* Custom date formats (strptime) can now be set in filters and jail.conf
* Python based actions can now be created.
- SMTP action for sending emails on jail start, stop and ban.
* Added action to use badips.com reporting and blacklist
- Requires Python 2.7+
### Enhancements
* Fail2ban-regex - don't accumulate lines if not printing them.
add options to suppress output of missed/ignored lines. Close gh-644
* Asterisk now supports syslog format
* Jail names increased to 26 characters and iptables prefix reduced
from fail2ban- to f2b- as suggested by buanzo in gh-462.
* Multiline filter for sendmail-spam. Close gh-418
* Multiline regex for Disconnecting: Too many authentication failures for
root [preauth]\nConnection closed by 6X.XXX.XXX.XXX [preauth]
* Multiline regex for Disconnecting: Connection from 61.XX.XX.XX port
51353\nToo many authentication failures for root [preauth]. Thanks
Helmut Grohne. Close gh-457
* Replacing use of deprecated API (.warning, .assertEqual, etc)
* [..a648cc2] Filters can have options now too which are substituted into
failregex / ignoreregex
* [..e019ab7] Multiple instances of the same action are allowed in the
same jail -- use actname option to disambiguate.
* Add honeypot email address to exim-spam filter as argument
* Properties and methods of actions accessible from fail2ban-client
- Use of properties replaces command actions "cinfo" interface
ver. 0.8.13 (2014/03/15) - maintenance-only-from-now-on
-----------
### Fixes
- action firewallcmd-ipset had non-working actioncheck. Removed.
redhat bug #1046816.
- filter pureftpd - added _daemon which got removed. Added
### New Features
- filter nagios - detects unauthorized access to the nrpe daemon (Ivo Truxa)
- filter sendmail-{auth,reject} (jserrachinha and cepheid666 and fab23).
### Enhancements
- filter asterisk now supports syslog format
- filter pureftpd - added all translations of "Authentication failed for
user"
- filter dovecot - lip= was optional and extended TLS errors can occur.
Thanks Noel Butler.
ver. 0.8.12 (2014/01/22) - things-can-only-get-better
----------
- IMPORTANT incompatible changes:
- Rename firewall-cmd-direct-new to firewallcmd-new to fit within jail name
name length. As per gh-395
- mysqld-syslog-iptables jailname was too long. Renamed to mysqld-syslog.
Part of gh-447.
### Fixes
- allow for ",milliseconds" in the custom date format of proftpd.log
- allow for ", referer ..." in apache-* filter for apache error logs.
- allow for spaces at the beginning of kernel messages. Closes gh-448
- recidive jail to block all protocols. Closes gh-440. Thanks Ioan Indreias
- smtps not a IANA standard and has been removed from Arch. Replaced with
465. Thanks Stefan. Closes gh-447
- add 'flushlogs' command to allow logrotation without clobbering logtarget
settings. Closes gh-458, Debian bug #697333, Redhat bug #891798.
- complain action - ensure where not matching other IPs in log sample.
Closes gh-467
- Fix firewall-cmd actioncheck - patch from Adam Tkac. Redhat Bug #979622
- Fix apache-common for apache-2.4 log file format. Thanks Mark White.
Closes gh-516
- Asynchat changed to use push method which verifys whether all data was
send. This ensures that all data is sent before closing the connection.
- Removed unnecessary reference to as yet undeclared $jail_name when checking
a specific jail in nagios script.
- Filter dovecot reordered session and TLS items in regex with wider scope
for session characters. Thanks Ivo Truxa. Closes gh-586
- A single bad failregex or command syntax in configuration files won't stop
fail2ban from starting. Thanks Tomasz Ciolek. Closes gh-585.
### Enhancements
- long names on jails documented based on iptables limit of 30 less
len("fail2ban-").
- remove indentation of name and loglevel while logging to SYSLOG to
resolve syslog(-ng) parsing problems. Closes Debian bug #730202.
- updated check_fail2ban to return performance data for all jails.
- filter apache-noscript now includes php cgi scripts.
Thanks dani. Closes gh-503
- exim-spam filter to match spamassassin log entry for option SAdevnull.
Thanks Ivo Truxa. Closes gh-533
- `filter.d/nsd.conf` -- also amended Unix date template to match nsd format
- Added to sshd filter expression for `Received disconnect from <HOST>: 3:
...: Auth fail`. Thanks Marcel Dopita. Closes gh-289
- loglines now also report "[PID]" after the name portion
- Added `filter.d/ejabberd-auth`
- Improved ACL-handling for Asterisk
- loglines now also report "[PID]" after the name portion
- Added improper command pipelining to postfix filter.
### New Features
- `filter.d/solid-pop3d` -- added thanks to Jacques Lav!gnotte on mailinglist.
- Add filter for apache-modsecurity.
- `filter.d/nsd.conf` -- also amended Unix date template to match nsd format
- Added openwebmail filter thanks Ivo Truxa. Closes gh-543
- Added filter for freeswitch. Thanks Jim and editors and authors of
http://wiki.freeswitch.org/wiki/Fail2ban
- Added groupoffice filter thanks to logs from Merijn Schering.
Closes gh-566
- Added filter for horde
- Added filter for squid. Thanks Roman Gelfand.
- Added filter for ejabberd-auth.
- Added `filter.d/openwebmail` filter thanks Ivo Truxa. Closes gh-543
- Added `filter.d/groupoffice` filter thanks to logs from Merijn Schering.
Closes gh-566
- Added `action.d/badips`. Thanks to Amy for making a nice API.
- Added firewallcmd-ipset action.
- Added ufw action. Thanks Guilhem Lettron. lp-#701522
- Added blocklist_de action.
ver. 0.8.11 (2013/11/13) - loves-unittests-and-tight-DoS-free-filter-regexes
----------
In light of CVE-2013-2178 that triggered our last release we have put
a significant effort into tightening all of the regexs of our filters
to avoid another similar vulnerability. All filters have been updated
and some to catch more login/authentication failures and to support
for newer application versions. There are test cases for most log
cases of failures now.
As usual, if you have other examples that demonstrate that a filter is
insufficient, or if we have inadvertently introduced a regression,
please provide us with example log lines on the github issue tracker
http://github.com/fail2ban/fail2ban/issues and NOT on a random blog in
some obscure corner of the Internet.
Many thanks to our contributors for this release Daniel Black, Yaroslav
Halchenko, Steven Hiscocks, Mark McKinstry, Andy Fragen, Orion Poplawski,
Alexander Dietrich, JP Espinosa, Jamyn Shanley, Beau Raines, François
Boulogne and others who have helped on IRC and mailing list, logged issues
and bug requests.
### IMPORTANT incompatible changes
Filter name changes:
* 'lighttpd-fastcgi' filter has been renamed to 'suhosin'
* 'sasl' has been renamed to 'postfix-sasl'
* 'exim' spam catching failregexes was split out into 'exim-spam'
These changes will require changing jail.{conf,local} if any of
those filters were used.
### Fixes
- Jonathan Lanning
* `filter.d/asterisk` -- identified another regex for blocking. Also channel
ID is hex not decimal as noted in sample logs provided.
- Daniel Black & Marcel Dopita
* `filter.d/apache-auth` -- fixed and apache auth samples provide. Closes gh-286
- Yaroslav Halchenko
* `filter.d/common.conf` -- make colon after [daemon] optional. Closes gh-267
* `filter.d/apache-common.conf` -- support apache 2.4 more detailed error
log format. Closes gh-268
* Backends changes detection and parsing. Close gh-223 and gh-103:
- Polling backend: detect changes in the files not only based on
mtime, but also on the size and inode. It should allow for
better detection of changes and log rotations on busy servers,
older python 2.4, and file systems with precision of mtime only
up to a second (e.g. ext3).
- All backends, possible race condition: do not read from a file
initially reported empty. Originally could have lead to
accounting for detected log lines multiple times.
- Do not crash if executing a command in fail2ban-client interactive
mode has failed (e.g. due to incorrect syntax). Closes gh-353
- Daniel Black & Мернов Георгий
* `filter.d/dovecot.conf` -- Fix when no TLS enabled - line doesn't end in ,
- Daniel Black & Georgiy Mernov & ftoppi & Мернов Георгий
* `filter.d/exim.conf` -- regex hardening and extra failure examples in
sample logs
* `filter.d/named-refused.conf` - BIND 9.9.3 regex changes
- Daniel Black & Sebastian Arcus
* `filter.d/asterisk` -- more regexes
- Daniel Black
* `action.d/hostsdeny` -- NOTE: new dependency 'ed'. Switched to use 'ed' across
all platforms to ensure permissions are the same before and after a ban.
Closes gh-266. hostsdeny supports daemon_list now too.
* `action.d/bsd-ipfw` - action option unused. Change blocktype to port unreach
instead of deny for consistancy.
* `filter.d/dovecot` - added to support different dovecot failure
"..disallowed plaintext auth". Closes Debian bug #709324
* `filter.d/roundcube-auth` - timezone offset can be positive or negative
* `action.d/bsd-ipfw` - action option unused. Fixed to blocktype for
consistency. default to port unreach instead of deny
* `filter.d/dropbear` - fix regexs to match standard dropbear and the patched
http://www.unchartedbackwaters.co.uk/files/dropbear/dropbear-0.52.patch
and add PAM is it in dropbear-2013.60 source code.
* `filter.d/{asterisk,assp,dovecot,proftpd}.conf` -- regex hardening
and extra failure examples in sample logs
* `filter.d/apache-auth` - added expressions for mod_authz, mod_auth and
mod_auth_digest failures.
* `filter.d/recidive` -- support f2b syslog target and anchor regex at start
* `filter.d/mysqld-auth.conf` - mysql can use syslog
* `filter.d/sshd` - regex enhancements to support openssh-6.3. Closes Debian
bug #722970. Thanks Colin Watson for the regex analysis.
* `filter.d/wuftpd` - regex enhancements to support pam and wuftpd. Closes
Debian bug #665925
- Rolf Fokkens
* `action.d/dshield.conf` and complain.conf -- reorder mailx arguments.
https://bugzilla.redhat.com/show_bug.cgi?id=998020
- John Doe (ache)
* `action.d/bsd-ipfw.conf` - invert actionstop logic to make exist status 0.
Closes gh-343.
- JP Espinosa (Reviewed by O.Poplawski)
* files/redhat-initd - rewritten to use stock init.d functions thus
avoiding problems with getpid. Also $network and iptables moved
to Should- rc init fields
- Rick Mellor
* `filter.d/vsftp` - fix capture with tty=ftp
### New Features
- Edgar Hoch
* `action.d/firewall-cmd-direct-new.conf` - action for firewalld
from https://bugzilla.redhat.com/show_bug.cgi?id=979622
NOTE: requires firewalld-0.3.8+
- Andy Fragen and Daniel Black
* `filter.d/osx-ipfw.conf` - ipfw action for OSX based on random rule
numbers.
- Anonymous:
* `action.d/osx-afctl` - an action based on afctl for osx
- Daniel Black & ykimon
* `filter.d/3proxy.conf` -- filter added
* fail2ban-regex - now generates http://www.debuggex.com urls for debugging
regular expressions with the -D parameter.
- Daniel Black
* `filter.d/exim-spam.conf` -- a splitout of exim's spam regexes
with additions for greater control over filtering spam.
* add date expression for apache-2.4 - milliseconds
* `filter.d/nginx-http-auth` -- filter added for http basic authentication
failures in nginx. Partially fulfills gh-405.
- Christophe Carles & Daniel Black
* `filter.d/perdition.conf` -- filter added
- Mark McKinstry
* `action.d/apf.conf` - add action for Advanced Policy Firewall (apf)
- Amir Caspi and kjohnsonecl
* `filter.d/uwimap-auth` - filter for uwimap-auth IMAP/POP server
- Steven Hiscocks and Daniel Black
* `filter.d/selinux-{common,ssh`} -- add SELinux date and ssh filter
### Enhancements
- François Boulogne and Frédéric
* `filter.d/lighttpd` - auth regexs for lighttpd-1.4.31
- Daniel Black
* reorder parsing of jail.conf, `jail.d/*.conf`, `jail.local`, `jail.d/*.local`
and likewise for `fail2ban.{conf|local|d/*.conf|d/*.local`}. Closes gh-392
* jail.conf now has asterisk jail - no need for asterisk-tcp and
asterisk-udp. Users should replace existing jails with asterisk to
reduce duplicate parsing of the asterisk log file.
* `filter.d/{suhosin,pam-generic,gssftpd,sogo-auth,webmin`}- regex anchor at
start
* `filter.d/vsftpd` - anchored regex at start. disable old pam format regex
* `filter.d/pam-generic` - added syslog prefix. Disabled support for
linux-pam before version 0.99.2.0 (2005)
* `filter.d/postfix-sasl` - renamed from sasl, anchor at start and base on
syslog
* `filter.d/qmail` - rewrote regex to anchor at start. Added regex for
another "in the wild" patch to rblsmtp.
- Yaroslav Halchenko
* fail2ban-regex -- refactored to provide more details (missing and
ignored lines, control over logging, etc) while maintaining look&feel
* fail2ban-client -- log to standard error. Closes gh-264
* Fail to configure if not a single log file was found for an
enabled jail. Closes gh-63
* `<HOST>` is now enforced to end with an alphanumeric
* `filter.d/roundcube-auth.conf` -- anchored version
* date matching - for standard asctime formats prefer more detailed
first (thus use year if available)
* files/gen_badbots was added and `filter.d/apache-badbots.conf` was
regenerated to get updated (although now still an old) list of
"bad" bots
- Alexander Dietrich
* `action.d/sendmail-common.conf` -- added common sendmail settings file
and made the sender display name configurable
- Steven Hiscocks
* `filter.d/dovecot` - Addition of session, time values and possible blank
user
- Zurd and Daniel Black
* `filter.d/named-refused` - added refused on zone transfer
* `filter.d/{courier{login,smtp},proftpd,sieve,wuftpd,xinetd`} - General
regex improvements
- Zurd
* `filter.d/postfix` - add filter for VRFY failures. Closes gh-322.
- Orion Poplawski
* `fail2ban.d/` and `jail.d/` directories are added to `etc/fail2ban` to facilitate
their use
ver. 0.8.10 (2013/06/12) - wanna-be-secure
-----------
Primarily bugfix and enhancements release, triggered by "bugs" in
apache- filters. If you are relying on listed below apache- filters,
upgrade asap and seek your distributions to patch their fail2ban
distribution with [6ccd5781].
### Fixes
- Yaroslav Halchenko
* [6ccd5781] `filter.d/apache-{auth,nohome,noscript,overflows`} - anchor
failregex at the beginning (and where applicable at the end).
Addresses a possible DoS. Closes gh-248
* `action.d/{route,shorewall}.conf` - blocktype must be defined
within [Init]. Closes gh-232
### Enhancements
- Yaroslav Halchenko
* jail.conf -- assure all jails have actions and remove unused
ports specifications
- Terence Namusonge
* `filter.d/roundcube-auth.conf` -- support roundcube 0.9+
- Daniel Black
* `files/suse-initd` -- update to the copy from stock SUSE
silviogarbes & Daniel Black
* Updates to asterisk filter. Closes gh-227/gh-230.
- Carlos Alberto Lopez Perez
* Updates to asterisk to include AUTH_UNKNOWN_DOMAIN. Closes gh-244.
ver. 0.8.9 (2013/05/13) - wanna-be-stable
----------
Originally targeted as a bugfix release, it incorporated many new
enhancements, few new features, and more importantly -- quite extended
tests battery with current 94% coverage (from 56% of 0.8.8).
This release introduces over 200 of non-merge commits from 16
contributors (sorted by number of commits): Yaroslav Halchenko, Daniel
Black, Steven Hiscocks, James Stout, Orion Poplawski, Enrico Labedzki,
ArndRa, hamilton5, pigsyn, Erwan Ben Souiden, Michael Gebetsroither,
Artur Penttinen, blotus, sebres, Nicolas Collignon, Pascal Borreli.
Special Kudos also go to Fabian Wenk, Arturo 'Buanzo' Busleiman, Tom
Hendrikx, Yehuda Katz and other TBN heroes supporting users on
fail2ban-users mailing list and IRC.
### Fixes
- Yaroslav Halchenko
* [6f4dad46] python-2.4 is the minimal version.
* [1eb23cf8] do not rely on scripts being under /usr -- might differ e.g.
on Fedora. Closes gh-112. Thanks to Camusensei for the bug report.
* [bf4d4af1] Changes for atomic writes. Thanks to Steven Hiscocks for
insight. Closes gh-103.
* [ab044b75] delay check for the existence of config directory until read.
* [3b4084d4] fixing up for handling of TAI64N timestamps.
* [154aa38e] do not shutdown logging until all jails stop.
* [f2156604] pyinotify -- monitor IN_MOVED_TO events. Closes gh-184.
Thanks to Jon Foster for report and troubleshooting.
- Orion Poplawski
* [e4aedfdc00] pyinotify - use bitwise op on masks and do not try tracking
newly created directories.
- Nicolas Collignon
* [39667ff6] Avoid leaking file descriptors. Closes gh-167.
- Sergey Brester
* [b6bb2f88 and d17b4153] invalid date recognition, irregular because of
sorting template list.
- Steven Hiscocks
* [7a442f07] When changing log target with python2.{4,5} handle KeyError.
Closes gh-147, gh-148.
* [b6a68f51] Fix delaction on server side. Closes gh-124.
- Daniel Black
* [f0610c01] Allow more that a one word command when changing and Action via
the fail2ban-client. Closes gh-134.
* [945ad3d9] Fix dates on email actions to work in different locals. Closes
gh-70. Thanks to iGeorgeX for the idea.
- blotus
* [96eb8986] ' and " should also be escaped in action tags Closes gh-109
- Christoph Theis, Nick Hilliard, Daniel Black
* [b3bd877d,cde71080] Make `syslog -v` and `syslog -vv` formats work on FreeBSD
### New Features
- Yaroslav Halchenko
* [9ba27353] Add support for `jail.d/{confilefile}` and `fail2ban.d/{configfile}`
to provide additional flexibility to system adminstrators. Thanks to
beilber for the idea. Closes gh-114.
* [3ce53e87] Add exim filter.
- Erwan Ben Souiden
* [d7d5228] add nagios integration documentation and script to ensure
fail2ban is running. Closes gh-166.
- Artur Penttinen
* [29d0df5] Add mysqld filter. Closes gh-152.
- ArndRaphael Brandes
* [bba3fd8] Add Sogo filter. Closes gh-117.
- Michael Gebetsriother
* [f9b78ba] Add action route to block at routing level.
- Teodor Micu & Yaroslav Halchenko
* [5f2d383] Add roundcube auth filter. Closes Debian bug #699442.
- Daniel Black
* [be06b1b] Add action for iptables-ipsets. Closes gh-102.
- Nick Munger, Ken Menzel, Daniel Black, Christoph Theis & Fabian Wenk
* [b6d0e8a] Add and enhance the bsd-ipfw action from
FreeBSD ports.
- Soulard Morgan
* [f336d9f] Add filter for webmin. Closes gh-99.
- Steven Hiscocks
* [..746c7d9] bash interactive shell completions for fail2ban-*'s
- Nick Hilliard
* [0c5a9c5] Add pf action.
### Enhancements
- Enrico Labedzki
* [24a8d07] Added new date format for ASSP SMTP Proxy.
- Steven Hiscocks
* [3d6791f] Ensure restart of Actions after a check fails occurs
consistently. Closes gh-172.
* [MANY] Improvements to test cases, travis, and code coverage (coveralls).
* [b36835f] Add get cinfo to fail2ban-client. Closes gh-124.
* [ce3ab34] Added ability to specify PID file.
- Orion Poplawski
* [ddebcab] Enhance fail2ban.service definition dependencies and Pidfile.
Closes gh-142.
- Yaroslav Halchenko
* [MANY] Lots of improvements to log messages, man pages and test cases.
* [91d5736] Postfix filter improvements - empty helo, from and rcpt to.
Closes gh-126. Bug report by Michael Heuberger.
* [40c5a2d] adding more of diagnostic messages into -client while starting
the daemon.
* [8e63d4c] Compare against None with 'is' instead of '=='.
* [6fef85f] Strip CR and LF while analyzing the log line
- Daniel Black
* [3aeb1a9] Add jail.conf manual page. Closes gh-143.
* [MANY] man page edits.
* [7cd6dab] Added help command to fail2ban-client.
* [c8c7b0b,23bbc60] Better logging of log file read errors.
* [3665e6d] Added code coverage to development process.
* [41b9f7b,32d10e9,39750b8] More complete ssh filter rules to match openssh
source. Also include BSD changes.
* [1d9abd1] Action files can have tags in definition that refer to other
tags.
* [10886e7,cec5da2,adb991a] Change actions to response with ICMP port
unreachable rather than just a drop of the packet.
- Pascal Borreli
* [a2b29b4] Fixed lots of typos in config files and documentation.
- hamilton5
* [7ede1e8] Update dovecot filter config.
- Romain Riviere
* [0ac8746] Enhance named-refused filter for views.
- James Stout
* [..2143cdf] Solaris support enhancements:
- `README.Solaris`