1. LEAF (Linux Embedded Appliance Firewall) is an easy-to-use embedded Linux system that is meant for creating network appliances for use in small office, home office, and home automation environments. There are several branches of LEAF, including Bering, Dachstein, Oxygen, PacketFilter, and WRP. The initial release of Bering (Beta 4), was released March 7, 2002. Bering 1.2 was released May 11, 2003. Shorewall 1.3.9b was released October 23, 2002. Mosquito 3.4 was announced July 7, 2002. The WISP-Dist branch released version 2397 on December 26, 2002. From LWN Distribution List