# 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

## [0.6] - 2023-02-07
### Added

	* add 'log level <level>' command
	* add 'log events' command
	*	support for libipset > 7.X
	* readline support in f2bc
	* add log rotation to debian package
	* new options for daemon -- "coredumps" && "nice"
	* allow jails without filter
	* replace simple "match count" with advanced "scored matches"
	* add source/filter match tags in stats
	* show daemon uptime in status

### Changed

	* filters collection now in separate repository
	* change modules naming & location
	* change 'rotate' command to 'log rotate' for consistency
	* client and control socket fully refactored to use plain tcp
	* allow redis source/backend fail on start (no network yet)
	* filter-test now uses config instead direct library load
	* match count now not limited to last 5
	* jail's "maxcount" parameter replaced with "maxscore" (need config fix)
	* if missing password for control socket in config it will be set random (and send to logfile)
	* build system now relies on pkg-config instead cmake modules

### Removed

	* multicast source/backend (replaced with f2bcd)

### Fixed

	* don't hard depend on mountall
	* fix setting jail 'state' param
	* SO_PEERCRED is linux-specific now

## [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