Research on Distributed Intrusion Detection System Based on Protocol Analysis

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Intrusion Detection System is a new safeguard technology for system security after traditional technologies,such as firewall,message encryption and so on. To intrusion detection system,it makes improving efficiency of intrusion detection by choosing better method of intrusion detection,traditional intrusion detection system because of large amount of calculation,the high rate of omissions and misstatements has not already adapted to the needs of the current network system Protocol analysis is a kind of key technology for network intrusion detection.