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

Research and Design of Intelligent Generation of Filtered Rules

Author HuBai
Tutor ZhaoYueHua
School Jiangsu University
Course Applied Computer Technology
Keywords Filtering rules Natural Language Processing Formal Intelligent Firewall Network Security
CLC TP393.08
Type Master's thesis
Year 2010
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Network security issues prominent personal firewall become the primary means to protect the security of the host, the domestic and foreign scholars have different levels of intelligent personal firewall, information filtering technology as the most sophisticated firewall technology in the design of the firewall to determine the role of the security features. Research scholar in the field of intelligent information filtering rules generated based on the field of artificial intelligence, knowledge acquisition and inference engine technology to achieve intelligent personal firewall, this approach intelligent filtering rules generate knowledge acquisition, and the firewall run process rules inference engine to achieve intelligent matching and execution. In this thesis, the intelligent filtering rules generation method. Thesis in-depth study of advanced natural language processing technology, the technology is user input natural language changes in key technologies to the semi-structured screening rules, based on the analysis of existing natural language processing techniques focus on network-based security The field of automatic summarization, and information extraction technology for the screening needs of the user in the form of natural language input, filtering rules generated elements extracted and semi-structured screening rules. The premise access to semi-structured screening rules, to generate efficient screening rules, the paper will use the formal technique of filtering rules to describe and verify. A formal description of the part of the combination of formal technology applications in the field of network security filtering rules, redundancy and conflict analysis rule sets may exist, design detection algorithm to improve the existing filter rule optimization method to meet the compatibility of the rules set the minimum set of requirements and running analog filtering rules, dynamic analysis of the security of the rule set. Finally, the prototype system of intelligent paper design filtering rules generated, that is based on the intelligent processing division system module generation process, including natural language acquisition, natural language processing, structured language generation module, design the data structure of the filter rule , storage and the like. Running prototype system, enter the user's screening requirements, view the selection rules generation process, verify that the system is able to achieve intelligent generate filtering rules. The test of the prototype system is capable of intelligently generate filtering rules, and in accordance with the screening requirements of the individual user, as well as the general requirements of the network security, the system can automatically optimize the filter ruleset. Paper filter rules intelligent firewall system designed to provide a certain reference value, and has broad application prospects.

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