基于java的stun服务器和客户端 实现了关于stun防火墙探测，通过java boundle实现的 目前处于模块间高 耦合-this is a stun server and client I write it just for fun

stun服务端客户端实现参考，很有价值.stun 太麻烦了-RFC 3489 STUN March 2003 username. There MUST be a single password for each username. In other words, the server cannot, 10 minutes later, assign a .