* make it possible for ipftest to set 'mbuf' flags so that it can simulate
  multicast (and broadcast) packets being received
* fix some compile problems for freebsd 7
* multicast stateful filtering fixes
* address the memory leak with destroying nat entries when the packet is
  later blocked (rdr's)
* count active NAT sessions per protocol
* apply some bandages to the iterating ioctls
24 files changed