家乡老弟来电话说网吧英雄联盟经常连接困难，于是查了下LOL官网，发现英雄联盟居然需要转发如下端口（呵呵，看来老外设计游戏的时候没有考虑中国的国情啊
呵呵呵，大家看到端口就知道问题所在了）
Port Forwarding for League of Legends:
Required Ports:
Each of these ports must be forwarded for League of Legends to
operate properly.
5000 - 5500 UDP - League of Legends Game Client
8393 - 8400 TCP - Patcher and Maestro
2099 TCP - PVP.Net
5223 TCP - PVP.Net
5222 TCP - PVP.Net
80 TCP - HTTP Connections
443 TCP - HTTPS Connection