It is the on-coming storm. We’ve all heard about it; it’s big, scary, and new. Public IP addresses for all and tearing down those NAT-PT barriers excites and worries many. IPv6 is coming but it’s not as frightening as it’s made out to be; most concepts from IPv4 can be applied directly to it’s younger brother. One of the ideals that IPv6 was designed around is the restoration of end-to-end connectivity of all nodes on the Internet; this introduces a certain uncertainty to how we design our firewalls under v6. We have options now, from the completely open networks geeks would love, to NATesque heavily stateful firewalls, and everything...
