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ARP defense systems design and implementation

Author: WenZhuoRan
Tutor: LuoShouShan
School: Beijing University of Posts and Telecommunications
Course: Software Engineering
Keywords: Network Security ARP attacks linux kernel snmp
CLC: TP393.08
Type: Master's thesis
Year: 2009
Downloads: 76
Quote: 1
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Abstract


With the popularity of the network, enterprises and institutions working on the deepening dependence on the network, followed by the network security and network stability requirements are increasing. Since 2000, the network ARP attacks gradually flooding. The harm caused more and more big, of which attacker those who launched may be the hacker, may also be yes ARP virus. The so-called ARP virus, is the use ARP protocol loopholes, carry out dissemination and network attacks behavior of the virus. Because the ARP broadcast features and protocol functions, ARP virus showed rapid spread of destructive and other characteristics. Often a room \So there is \ARP defense system came into being. This paper analyzes the principle of ARP attacks, comprehensive known ARP defense methods and user requirements, design ARP defense system works and describes the design and implementation of ARP defense system's work. This paper mainly for the following aspects of work: 1. Depth study of the ARP protocol packet structure and working principle of the principle of ARP attacks and network security hazards. (2) understand the existing ARP attack defense products, analyze their deficiencies. In the pre-design to understand the user's basic needs and then design the product the basic shape after entering the user trial phase, with the user on product usage habits, specific network environment, special needs, the product of insufficient depth exchanges for secondary requirements gathering . And completed the ARP defense system needs analysis. 3. Completed a ARP defense system outline design and detailed design, the outline design middle design system is divided into six major modules, each module Du is divided into html, CGI, system program three part of the, CGI part is responsible user through the web pages with linux system interactive, used to pass parameters and display data, the system program part namely in the operating system under the executable command, them in achieving the the exact functionality. Detailed design of the middle Design System analyze the data packets and detect the ARP attacks of the algorithm, design orientation switch port and blocking the ARP attack source's mechanism for. Design implementation, and technical team members demonstrate design feasibility, the final decision ARP defense system implementations using the x86 architecture IPC installed after reduction of linux system as a platform to run the ARP defense system program approach. 4. Implement ARP defense system, this paper describes the implemented system's core modules, the core program of critical data structures, describes the process of building the entire system. Describes the preparation part of the code. 5 product performance testing, black box testing, user testing, completed the ARP defense system test report.

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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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