This paper analyses the TCP/IP protocol, and proposes a method based on hash to reassign TCP/IP packets to a file, which can transform the packets into original information from the client or the server.

• 本文通过对tcp/IP协议的分析,提出并实现了一种基于散列表的算法,可将数据包还原成客户或服务器端发送的原始报文。