Research on Technology of Network Security Based on Firewall

Aiming at attack the current network security problems, this paper researches on network security based on firewall technology and solves the problems of network security. At first, the paper analyzes the network security technology, the specific description of the network security, the threat of the network, the network attack and protection measures; secondly, through the two aspects of the function of firewall and firewall technology is specific analyzed; At last, the specific examples of network security are analyzed. This paper has certain positive significance for network maintenance and network engineer.