Network Address Translation, better known simply as NAT, allows an outside address to represent a single or many inside addresses. There are several forms of NAT, but one of the most common is called NAT overloading, Port Address Translation, or simply PAT. PAT provides a many-to-one mapping with many inside private addresses mapped to one outside public address. We often see PAT used in home firewalls and routers to allow several home computers and perhaps a gaming console to use private...