摘要： 阐述了网络安全问题及具有反攻击能力的双向指纹校验密钥系统，介绍了动态反跟踪和静态反跟踪技术。实现了一种威力较强的反跟踪技术：逆指令流法实现静态反跟踪技术。

关键词: 入侵检测, 逆指令, 反跟踪技术

Abstract: The paper gives some ideas of the safety in network and the close key checking system in double action with the ability of counter-attack, which realizes preventive trace technique with contradictory instruction stream method.

中图分类号: 

• TP393.08