Introduction - If you have any usage issues, please Google them yourself
NAT (Network Address Translators), Network Address Translation: Network Address Translation in the case of the IP address of the increasing scarcity of the produce, its main purpose is to be able to address reuse. NAT is divided into two categories, basic NAT and NAPT (Network Address/Port Translator). Initially NAT is running on a router modules. Here I use myself to achieve a source code to illustrate the UDP Through NAT principle.