Reserch of Intrusion Detection Based on the BP Networks and the Improved PSO Algorithm

doi:10.3969/j.issn.1007130X.2010.

J4 ›› 2010, Vol. 32 ›› Issue (6): 34-36.doi: 10.3969/j.issn.1007130X.2010.

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Reserch of Intrusion Detection Based on the BP Networks and the Improved PSO Algorithm

SHEN Xueli,ZHANG Jisuo

(School of Electronics and Information Engineering,Liaoning Technical University,Huludao 125105,China)

Received:2009-05-19 Revised:2009-09-14 Online:2010-06-01 Published:2010-06-01

Abstract

Abstract:

This paper shows a way that combines the BP networks with the improved PSO algorithm aiming at false positive rate in intrusion detection systems(IDS).Based on the characteristics of the local precise search of the BP networks and the global search of the improved PSO algorithm, this method optimizes the weight and threshold of the BP networks, conquers the disadvantages of the BP networks that are easily trapped in the local extremum. And the network structure is applied into intrusion detection systems, which can discover the known detection exactly, forecast the new detection ,and reduce the invasion of omissions and the false alarm rate. Comparing the simulation results of the KDD99 CUP dataset with the intrusion detection system based on the traditional BP networks and the improved PSOBP network algorithm, the improved PSO algorithm shows less iteration times, quicker convergence rate,higher detection rate ,and sufficient availability.

Key words: improved PSO algorithm;BP networks;intrusion detection

CLC Number:

TP393.08

SHEN Xueli,ZHANG Jisuo. Reserch of Intrusion Detection Based on the BP Networks and the Improved PSO Algorithm[J]. J4, 2010, 32(6): 34-36.

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Reserch of Intrusion Detection Based on the BP Networks and the Improved PSO Algorithm

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