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Study on Pattern Matching Algorithm and Its Scheduling of NIDS

Author: LiuYaBin
Tutor: WangJie
School: Zhengzhou University
Course: Detection Technology and Automation
Keywords: Intrusion Detection Pattern Matching Intelligent scheduling Protocol pre- match
CLC: TP393.08
Type: Master's thesis
Year: 2009
Downloads: 13
Quote: 0
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Abstract


In the context of a rapid increase in the amount of speed and detection software-based network intrusion detection systems become increasingly inadequate, high-performance network intrusion detection system is particularly important . Taking into account the two factors of processing performance and memory overhead , protocol analysis and pattern matching become the the NIDS most critical part . Paper protocol analysis and pattern matching technology organic fusion , normalized to a single stage of the protocol pre - matching technology . Before performing any further time-consuming analysis in network intrusion detection system , as soon as possible to exclude non - attack data stream , and can be found deep inspection of network packets to the report so that blocking malicious attacks or violations of irregularities and misuse the flow of network security . Meanwhile, the basic , and based on the exclusion of the two types of pattern matching algorithm to be improved, in order to further improve the performance of the system in a subsequent matching process . The pattern matching algorithm has its own best application environment, and this without any an algorithm applicable to all network conditions . Through research and analysis of network traffic characteristics , the rule set and processor architecture to explore sensitive factors affect the performance of the network intrusion detection system , depending on the parameters , the use of mixed methods to achieve intelligent scheduling pattern matching algorithm to obtain than single algorithm for better performance .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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