After analyzin g the assi gnment mechanism of TCP/IP and discussing the basal inbreak methods within netwo rks, some improvements and methods of enhancing TCP/IP security are expounded.

• 本文通过分析TCP/IP的工作机制，讨论了网络入侵的基本途径，并阐述了一些改进和提高TCP/IP协议安全性的方法。