Trivia: Strictly speaking a box that does NAT is not a kind of proxy. Proxies act as the destination end point of one connection, establish a separate connectio

Trivia: Strictly speaking a box that does NAT is not a kind of proxy. Proxies act as the destination end point of one connection, establish a separate connection to another endpoint and forward data between the two separate connections. A NAT device changes IP header information such as the address field and if also doing PAT the port field but doesn't act as the source or destination for connections.