Gibraltar release 2.6 will be the last version based on kernel 2.4, the next Gibraltar release 3.0 will use kernel 2.6.
Major new features in this release include official support for "Snort" as intrusion detection system and full integration of the Puresight Enterprise variant for advanced user-based authorization and reporting.
Additionally, this release:
now allows SSL Explorer (TM) plugins to be installed,
supports transparent virus scanning for HTTP, POP3, and FTP even without a harddisk,
and includes the beginning of full WLAN access point functionality. At this time, Atheros-based cards are supported and can be configured via the web interface. Future releases will expand on this to e.g. include full 802.1x support.
For details, please refer to the changelog which can be found, as usual, at http://www.gibraltar.at/changes.php?onlyLastVersion=1&htmlOutput=1&to=2.6