| IBM算法及其在Snort系统下的实现 |
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| 引用本文： | 蒋亚平,赵军伟,田月霞.IBM算法及其在Snort系统下的实现[J].郑州大学学报(自然科学版),2014(2):50-54. |
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| 作者姓名： | 蒋亚平 赵军伟 田月霞 |
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| 作者单位： | 郑州轻工业学院计算机与通信工程学院,河南郑州450002 |
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| 基金项目： | 国家自然科学基金资助项目,编号61272038;河南省科技厅科技攻关资助项目,编号0624220084. |
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| 摘 要： | 入侵检测系统匹配算法是影响检测效率的关键,为进一步提高系统性能和检测效率,对Snort系统采用的BM算法进行了改进,提出了IBM算法.该算法以两个字符为单位计算右移量,增大了文本串的滑动距离,有效地减少了匹配次数;将IBM算法应用于Snort,并在Windows平台下实现了基于改进算法的Snort系统.实验结果表明,该系统能够有效地检测各种攻击,与原系统相比检测效率有了明显的提高.
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| 关 键 词： | 入侵检测系统 Snort 模式匹配 IBM算法 |
Architecture and Implementation of Snort System Based on IBM Algorithm |
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| JIANG Ya-ping,ZHAO Jun-wei,TIAN Yue-xia.Architecture and Implementation of Snort System Based on IBM Algorithm[J].Journal of Zhengzhou University (Natural Science),2014(2):50-54. |
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| Authors: | JIANG Ya-ping ZHAO Jun-wei TIAN Yue-xia |
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| Institution: | 1.School of Computer and Communication Engineering,Zhengzhou University of Light Industry,Zhengzhou 450002,China) |
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| Abstract: | Pattern matching algorithm was the core of the intrusion detection system.In order to improve the efficiency of intrusion detection system,the BM algorithm in Snort was improved and the IBM algorithm was proposed,in which the right shift was calculated by two characters.The IBM algorithm was applied to Snort,and the Snort system based on IBM algorithm was set up in Windows platform.The experimental results showed that the improved system could effectively detect various attacks,whose detection efficiency had been obviously improved compared with the original Snort system. |
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| Keywords: | intrusion detection system Snort pattern matching IBM algorithm |
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