We design a CVE-based Intrusion Detection Expert System rule base, it combine the network-based IDS and host-based IDS into a system, and provide detection, report and response together.

本文提出一种基于CVE标准建立的入侵检测专家系统规则库，该入侵检测专家系统是基于网络和主机的混合结合体，提供集成化的检测、报告和响应功能。

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Second, the expert system adopted currently by most intrusion detection products have high false alarm rate because the network attack means change variably.

第二二，当前绝大多数入侵检测产品采用的都是专家系统，但网络攻击手段变化多样，导致误报漏报率太高；

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Many methods are used in analysis model to detect intrusion actions, such as protocol analysis, expert system, application layer data reconstruction, intrusion detection.

对于获得的数据，分析模块采用多种方式综合分析入侵行为，包括协议分析、专家系统、应用数据还原、入侵检测等技术。

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