STUN演示程序,可以穿过绝大多数防火墙NAT等.演示实际应用中的VOIP上UDP通信体系-STUN demo program, across the vast majority of other NAT firewall. demonstrated practical application of VoIP on UDP communications system

论坛上经常有对P2P原理的讨论，但是讨论归讨论，很少有实质的东西产生（源代码）。呵呵，在这里我就用自己实现的一个源代码来说明UDP穿越NAT的原理。-regular forum for the discussion of P2P principle, but the discussion under discussion, Few things have real (source code). Oh, and here I will use one of their own to achieve

一个UDP穿透NAT的例子，遵守RFC3489-a UDP penetrate NAT example, compliance with RFC3489-a UDP penetrate NAT example, compliance with RFC3489