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Firewall and three switch - based campus network security policy research

Author: ZhangLiFeng
Tutor: ZhangJianZhong；YouBin
School: University of Electronic Science and Technology
Course: Software Engineering
Keywords: Firewall Three switches Security policy VLAN Network Security
CLC: TP393.08
Type: Master's thesis
Year: 2011
Downloads: 71
Quote: 0
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Abstract


With the raising the level of campus information, the constant expansion of the campus network, followed by the network security, network performance problems have deepened. The reason, one is the current proliferation of Internet viruses, hackers growing popularity of the technology, the second is the traditional network architecture as the basic network technology has gradually unable to keep up with the times. Traditional firewall - routing - exchange network system mode is difficult in both network security and network performance. Especially the fast pace of expansion in the country, colleges and universities, the number of network usage, network users uneven quality, frequent network performance upgrade requirements. Traditional network topology institutions, high upgrade costs in the network mode. Furthermore, the papers on the design layer switching technology, network architecture, largely avoided the defects of the traditional switching technology can improve overall network performance. Compared with the traditional two-story campus network design, Layer 3 switching technology recently more and more the attention of corporate users, applications more widely, companies and campus networks has been stripped of the traditional routing and switching mode to achieve the full exchange network, Layer 3 switching technology is widely used in major enterprises, campuses and other places in the network architecture which has three functions. The three to exchange designed, both bypassing the traditional routing and switching network redundancy and scalability shortcomings, able to achieve the traditional routing and switching functions to meet the needs of the campus. This thesis is focused on the division of the concept and VLAN the three switching technology tends to be popular, as well as the current network firewall architecture principles and functionality. Based firewall and Layer 3 switches based on the papers for the campus network to focus on in the security and functionality of a detailed needs analysis. On this basis, the campus network structure design. In the design, in addition to the overall module for the campus network topology for its sub-modules, and also in accordance with the requirements analysis, one-to-one design. And according to the design and function, focused on the design and use of new firewall technology and three-switch technology security policy research. ? After the design is complete, the use of the existing network equipment to build a simulation platform, the realization of the security policy qualitative, quantitative test. The test consists mainly two aspects of security and performance. Pass the test, whether the verification of design and strategy to achieve, and how the performance in actual applications.

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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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