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# Change Log
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).
## Unreleased
## [0.5] - 2017-01-19
### Added
+ added 'fatal' log facility
+ added empty filter for use with sources that providing bare ip address
+ added doxygen comments to all sources
+ added some documentation: see docs/install.md and docs/configuration.md
+ added ability to save and restore banned addresses on reload/restart
+ added 'portknock' source
+ added 'mcast' source/backend (not well tested yet)
+ added handler for 'jail <name> set' command
+ added interactive mode for backend test
### Changed
* refactoring of f2b_cmsg_*(), f2b_csocket_*()
### Fixed
* better error handling in 'redis' source & backend
* fix freopen() calls: std{in,out,err} may be read-only
* fix setting uid/git & daemon options
* fix compatibility with old pcre (< 8.20) in filter/pcre
* fixed f2b-backend-test cmdline parse
* fix setting uid/git & daemon options
* fix errcb in 'redis' source
* fix SIGUSR1 handler
## [0.4] - 2016-10-07
### Added
* make source(s) also a module. now available:
* files source
* redis source
* f2b-source-test utility
* SIGUSR1 handler for logfile reopening
* timeout in client
* filters/nginx-bots.pcre
### Changed
* f2b-filter-test now show per-pattern match stats
* install short readme file in conf-enabled dir
* tested & fixed redis backend
* f2b-backend-test : simplify usage
* chg jail commands 'show', 'ban' & 'release' : add expicit 'ip' prefix
* rename commands: regex stats -> filter stats, regex add -> filter reload
### Fixed
* inversion of 'shared' option for 'exec' backend
* correctly write pidfile
* bans with maxretry = 1
* redis detection in cmake
* double free in filter's flush()
## [0.3] - 2016-09-12
### Added
* "jail <jail> regex stats" command
* "jail <jail> regex add" command
* apply CMAKE_INSTALL_PREFIX to configs
* added config for exec backend for ipfw
* redis backend (experimental)
* added config reload
* log file rotation
### Changed
* enable 'icase' for filters by default
* enable 'sharing' for backends by default
* tune configs location
* enable hardening in build opts by default
* fix ssh filter patterns
* use strl*() instead snprintf()/strncpy() in backends
* rename tests utils
* print date/time in log file
* disable buffering for logfile
* add stats() funtion to filter's api
### Fixed
* fix segfault in preg filter
* fix cppcheck warnings
* fix bsd build
* fix termination of daemon
## [0.2] - 2016-08-21
* Initial public release