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The Research of the LAN Exclusion from the External Network Devices

Author: XiuZuo
Tutor: BaoXiQing；LiuTieJun
School: Dalian Jiaotong University
Course: Software Engineering
Keywords: Host spoofing Switch to deceive Known Device Library Agent Selection Rules
CLC: TP393.1
Type: Master's thesis
Year: 2010
Downloads: 13
Quote: 0
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Abstract


Prevent not been allowed by the network administrator to access the LAN network equipment , enterprise data security damage , making the entire LAN to become an organic whole , to safeguard the security of the enterprise LAN data access network equipment ( such as : the notebook ) repel , so they can not access the LAN , in the field of network intrusion detection , such an approach is the most direct and effective , easy to develop and use . ARP request packet detection network , analysis of the requestor 's MAC address information , and found the intruder and blocking its premise , by comparing the known device library to analyze the legality ARP request packet issued , if the sub- rule prevent access network behavior , intruder blocking , you need to find a proven approaches from many network technology , is the key to solve the problem . This article focuses on demonstration of the advantages and disadvantages of the host the deception and switch deception , and then take the main switch spoofing , host spoofing , supplemented by programs to effectively prevent intrusions . Relates to the use of the database in the software development process , about the choice of the database , and how the VC development platform and ADO database programming techniques to create a library of known devices , mainly discusses how to automate intelligence reported to the network device information to the database . Because the presence of the agent to promptly and effectively found the online network equipment , and time of the intruder blocking agents ordinary computer is to install the client software , a subnet at a time can have only one agent , this agent line immediately after the selection of a new agent , elected by this intelligent agent mechanism is also article discusses the key . Final conclusion: switch spoofing based blocking technology than the host spoofing blocking technology more directly and effectively , a reasonable proxy Selection rules can be more timely and reliable protection on the network automatically created device library can be a lot of reduce the burden of network administrators .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > Local area network (LAN), metropolitan - area network (MAN)
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