A simple NAT(network address translator) for IPv6 (Linux only). Make sure if you really need it before using it. Functions: 1. IPv6 auto configuration; 2. TCP, UDP and ICMP-Echo port forwarding; 3. static port mapping for TCP and UDP.
Java Port Mapping between 2 hosts. Put up a server on your local network and share it with the outside network in a secure way. A \"server proxy\" network tool. Share one IP with multiple servers.