An Intrusion Detection System Based on Network Processor

Internet Computing & Information Services（2011）

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Abstract

In the analysis of the characteristics of network traffic we proposed a method for web site network security. We separate efficiently users by cookie, analyse user's activity by Hidden Semi-Markov Model, caculate the normal degree and allocate the bandwidth for the normal users. So we can defense DDoS attacks and control abnormal network traffic flow.

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Key words

network processor,intrusion detection system,hidden semi-markov model,normal user,abnormal network traffic flow,analyse user,normal degree,network traffic,defense ddos attack,web site network security,ddos attack

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