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With the rapid development of network technology , network application in people's lives play an important role in the growing computer network - based security issues , and how to ensure the application of the network at the same time protecting the security of the network system , is a very important research topic . The campus network is an important component of information technology in education , most colleges and universities have established their own campus network , a growing number of modern education, teaching work relying on the campus network . Therefore, the ability to ensure the safe and stable operation of the campus network , campus network construction must be addressed . Network security is a complicated systematic project , related to system software, hardware , personnel and institutional factors . Systematic analysis of network security issues are reviewed for a variety of network security technology , a detailed study of the status of Lianyungang Teachers College campus network and security issues facing to clear campus network security protection . Elaborate the P2DR dynamic security model , this model as a theoretical basis for the design of the campus network security solutions . The campus network is divided into the edge of the network security area , core convergence safety area , server security , access layer security zone and host a safe area, in a different security zone deployment of a variety of network security technologies, including firewall , authentication , access control , VPN , honeypots and traffic monitoring , a key part of the configuration instructions and provides some examples . Finally, the design and implementation of a set of network traffic monitoring system , visual management of the network . In this paper , the design of the campus network security system can be efficient and stable operation, to protect the safety of the campus network .
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