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Security Analysis and Optimization Strategy of P City Public Security Information Network

Author: ZhangFuChen
Tutor: ZhangYaoZuoï¼›LiuZhiKun
School: Shanghai Jiaotong University
Course: Software Engineering
Keywords: Network Security Honeypot Intrusion track sniffer
CLC: TP393.08
Type: Master's thesis
Year: 2008
Downloads: 28
Quote: 0
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Abstract


With the rapid development of computer network technology and the Internet, the network application to bring endless benefits, accompanied by the advent of the information era, the development of information technology for the public security work has brought new challenges and opportunities. From the current network security situation, computer viruses, network worms, Trojan horses and hacker threats to network security has become an important factor. In order to meet the new requirements of the new situation of China's reform and opening up and socialist modernization of the public security law enforcement, national core \\With the Golden Shield Project expanded throughout the country, from the Ministry of Public Security to the various Provincial Public Security Bureau, the city and county Public Security Bureau has established the Public Security Information Network carries a lot of the public security system business data and internal confidential information, the public security system, specifically online critical data and office systems have been inseparable from the increasingly sophisticated network system. Network and computer security can not be limited to traditional means of defense, but also from the attacker how illegal access to the target host system information mining system weaknesses. Only by understanding the attacker's practices, in order to better take measures to protect the normal operation of the network and computer systems. Now the target of hacker attacks often is no longer a single user, but gradually turned to a company or organization's server and database system, resulting in the leakage of confidential data. Hackers also show off their technical ability is no longer a personal or vent their dissatisfaction, more hackers set up for profit organization. This case will undoubtedly pose a greater threat of network security. The analysis and study of network attacks have gradually shifted from defense to enhance network security technology up. Firstly, the network architecture and the operation of the current P Municipal Public Security Information Network, ideology popular in the international security risk analysis, focusing on the analysis of the risk of the network layer and application layer, and these risks optimization model of the system security and specific embodiment, the safety system technology solutions to access control, intrusion detection, intrusion tracking honeypot technology, physical isolation, authentication, firewall, log management, vulnerability scanning and trusted platform and virtual machine-based network security and other subprojects. In the paper, the honeypot technology to do a detailed exposition and given a specific model. Details relevant knowledge about sniffer, and in order to increase understanding, gave a written sniffer instance. Finally, combined with the knowledge of trusted computing proposed a model of trusted computing and security of the virtual machine angle. This paper P public security information network security system as a whole solution, to guarantee the confidentiality of the P Municipal Public Security Information Network networks and applications, integrity, availability, controllability, may review such great significance, on the other construction of public security network security in cities also have a certain reference significance.

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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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