Research and design on distributed firewall based on LAN

Although the theory of distributed firewall was proposed shortly, but because of its advantages relative to traditional firewall, business user oriented characteristics, it could meet customer demand for higher security. This paper proposed a firewall program suitable for network security in accordance with small and medium enterprise network security situation, systematically analyzed the distributed firewall policy management and policy actuator functions, features and related technologies, to discuss the overall design and structure of the log server module.