Abstract
With the rapid development of information system construction, network
construction and application has gained widespread popularity, computer network
security has become a major problem with the relationship between
public administration and development, how to strengthen the security of
computer network from the aspects of technology and management, to ensure the
stable operation of the computer network, is one of the most importantissues
facing the current network system, in order to adapt to the effective use of information
resources,information sharing and the requirements of the rapid expansion of
information, the establishment of internalcomputer network and management system
based on computer network is the basic condition in the era of network
economy, technology is the establishment of a modern management system, but
like unauthorized access andillegal operation, information and service. To network
security vulnerability is directly related to the application of computer network
system. In this paper, combined with the actual construction of network
security system in China,analyzes the flaws and problems of computer
network security, and put forward the specific countermeasures to solve the problem.
Keywords: network security; firewall; virus; database
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