【摘要】 特征提取是入侵检测的核心问题,有效的特征提取对于入侵检测的检测率、误报率和实时性有着重要影响.本文在对TCP/IP协议和常见网络攻击方式分析的基础上,对网络入侵检测中的特征提取问题进行了深入的研究,并通过实例分析验证了所提取特征的有效性.更多还原

【Abstract】 Signature extraction is the key problem in intrusion detection. It has the important influence on detection rate, false positive rate and ability of real time responds.By analyzing TCP/IP protocol and all kinds of network attack, this paper researches the signature extraction and verifies its validity by applying it to real attack cases.更多还原