A Stream of incoming requests for Filter
NAT is a rule for Source Network Address Translation.
PortRange specifies an inclusive range of port numbers.
RDR is a special rule for Redirector, which forwards an incoming packet to a machine inside the firewall.
Rule describes the conditions and the action of a rule.
Direction is which way (Incoming or Outgoing) a packet is moving in the stack.
A protocol for filtering TCP/IP traffic and Network Address Translation.
The maximum number of rules.