Release Notes: This version adds support for appending and inserting firewall rules, and preserving the current ruleset, which is useful when using multiple configuration files. Argument parsing has been improved and now uses GNU getopt().


Release Notes: A memory leak that was causing a segfault at start up was resolved.


Release Notes: Environment variable substitution in the configuration now works on all versions of glibc.


Release Notes: Support has been added for variable substitution in the configuration file, with some minor code cleanups.


Release Notes: A particularly nasty bug caused output rules to have the interface 'direction' incorrectly specified. This has been resolved.


Release Notes: Minor code enhancements and bugfixes were made, and memory pools are now used for effective memory allocation. The "--insert" option was removed due to reported lockouts when configuring the firewall remotely.