相信很多人都碰到过联机问题，不只是怪猎这种p2p连接的，还有MC这种典型的需要局域网穿透的联机游戏，搞得人很是头大。

How to find my IP address? — a question you might need to ask if you're doing any kind of networking in your home. Whether you're digging through your router to adjust device settings or port ...