Kamil Andrusz <wizz@mniam.net>
	OpenBSD >= 3.0 Packet Filter support.

Daniel Brafford <pod@charter.net>
    Initial IPv6 support, Initial IPv6 support on Linux.

Bjarni R. Einarsson <bre at mmedia.is>
    libudb support.
      
Slawomir Piotrowski <slawek@telsatgp.com.pl>
    IP masq (NAT) support for OpenBSD.

Guus Sliepen <sliepen@phys.uu.nl>
    Initial netfilter (Linux >= 2.3 Support).

Ryan McCabe <ryan@numb.org>
    Everything else.