Establishes an RFC-2003 style IP encapsulation tunnel using a tun(4)
kernel interface combined with divert sockets and IP firewall rules,
implemented in a user-space daemon. No kernel mods are required,
except enabling divert sockets, IPfirewalls, and a number of tun
interfaces.

- Joe Touch, Project Leader, X-Bone Group, USC/ISI
	touch@isi.edu
