Mode matching method facing to high speed network
A pattern matching, high-speed network technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as insufficient string matching efficiency and no consideration of adjacent relationships.
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[0027] This embodiment is the application and performance test of the HPMM method in the lightweight intrusion detection system Snort, from Figure 7 It can be seen that the lightweight intrusion detection system Snort consists of four basic modules: packet sniffer, preprocessor, detection engine, and alarm output module. Its most basic function part is the data packet sniffer, the data packet sniffer is only the beginning of Snort work, after Snort obtains the data packet, it is processed by the preprocessor first, and then goes through all the rule chains in the detection engine. The data of the rule chain will be detected. Snort has three working modes: sniffer, data packet recorder, and network intrusion detection system. Sniffer mode simply reads packets from the network and displays them on the terminal as a continuous stream; packet logging mode logs packets on hard disk; network intrusion detection mode is the most complex and configurable , which allows Snort to ana...
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