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Flow-based IPv6 firewall filtering technology research

Author: WangWei
Tutor: LiuZuoHua
School: Changchun University of
Course: Applied Computer Technology
Keywords: Network Security IPv6 Firewall Flow filtration technology
CLC: TP393.08
Type: Master's thesis
Year: 2011
Downloads: 41
Quote: 0
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Abstract


With the rapid development and wide application, network security issues become increasingly serious. For the next generation network - IPv6 networks, network security issues can not be ignored. In this paper, the system development platform on Linux, the firewall for IPv6 and IPv6 network implementation and application security problems during the study and developed a flow-based filtering technology IPv6 firewall. The firewall is both efficient packet filtering firewall, but also has application proxy firewall security. It uses a flow filtration technology as the main filtering firewall technology, using packet filtering firewall technology as an auxiliary filtering technology. Flow filtration technology as the latest firewall technology, which not only combines the traditional packet filtering firewall technology and application proxy firewall technology advantages, and overcome their weaknesses and shortcomings; flow is more important for the application layer filtering firewall to provide a more secure , more efficient protection. This article focused on solving the existing IPv6 firewall existence of some security risks; through packet filtering firewall technology, application proxy firewall technology, stateful inspection firewall technology and the latest firewall technology flow filtration carried out a detailed comparative analysis, the final choice flow filtration technology As the system's main filtering technology, packet filtering technology as the system's auxiliary filtering technology; and put the packet into two broad categories, containing the application data into blocks called packets critical packets, the other packets called non-critical messages, the key messages are filtered by flow filtration module, non-critical use of packet filtering module packet filtering, thus greatly improving the efficiency of the firewall; detailed design and implementation of a firewall filter various functional modules; in using a screened subnet firewall architecture, based on the development of a new type of IPv6 firewall. This paragraph of the firewall can be applied to research institutions, universities, manufacturers and operators have set up an IPv6 test network. Finally, we use the ping6 command to test the system's filtering function, using NetIQ Chariot network testing tools to test the system throughput by using RRDtool tools and software to test the system cron flow control capability. Through the test results, the system performance is analyzed and discussed the expansion of the system and application.

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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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