在协议分析的基础上，采用IP数据包分片重组、TCP数据流还原等技术，降低漏报率，减少误报率。
On the base of protocol analysis, the system USES the technology of the fragment reassembly of IP packet, TCP data flow reverting, etc. It reduces leak and mistake alert of the intrusion.
网闸所采用的技术包括数据分片重组、协议转化、密码学、入侵检测、病毒以及关键字过滤、身份验证及审核等。
The technology adopted include categories of data fragment reassembly, protocol conversion, cryptography, intrusion detection, virus, and keyword filtering, authentication and audit and so on.
研究了IP碎片攻击的原理，重新实现了对IP 分片重组的代码，杜绝了针对网络应用监控系统的 分片攻击。
It has study the principle that IP chip attack and has realized dividing one slice of codes recombinated to IP again, have prevented to attack to each of the monitoring system of network application.
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