Damn.. add mod points and we'd have slashdot V2
(I know, I know, I'm a -1 flamebait)
As far as more control over ports, look into routing and remote access (Remote Access/VPN Server Role) you can see your routing table, see current active connections, change filters.. much much more..
Need more? ISA server 2000 or 2k4 beta 2 is available to MSDN subs..