When writing gateway software of any kind, take pains to disturb the data stream as little as possible -- and *never* throw away information unless the recipient forces you to!

• 写作任何的通信闸软件时，要尽可能地不去扰动到通讯的资料流--并且绝对不要丢掉其中任何的资讯，除非接收方强迫你这麽做。