一套STUN的源码，包括natcheck.c和natserver.c两个文件。在相关的项目中很实用的代码。

检测网络类型.检测网络类型,检测网络类型-check network type and i think it is useful to you ,ha ha ha, good good,check network type and i think it is useful to you

this a program that will help you to check wether your computer receive tcp or udp packet from internet or other computer-this is a program that will help you to check wether your computer receive tcp or udp packet from internet or other computer