Release Notes: The "unset" match was added for the 2.6 version.
Release Notes: A problem in which iptables complained about an "Invalid argument" in Linux 2.6.19 was fixed.
Release Notes: The ipt_layer7 module now automatically loads the ip_conntrack module.
Release Notes: Some bugs in the testing programs were fixed. The RTF and Skypeout patterns were made valid for both regular expression libraries.
Release Notes: Improved patterns for valid certificate SSL and Battlefield 2. The test suite has been extended to include use of the GNU library, which is used in the new userspace version. There are other minor bugfixes and updates.
Release Notes: A pattern for Tor (The Onion Router) was added.
Release Notes: No functional changes. Updated for Linux 2.6.18.
Release Notes: This release adds a pattern for STUN.
Release Notes: iptables now allows and ignores spaces and tabs after the protocol name in the pattern files. There are no changes to kernel patches.