Distributed Firewall

Security of Internet become more and more important with the rapid development of the computer network technology. As a kind of security mechanism, the firewall is absolutely necessarily. But tranditional firewall can only protect the edge of the network and is helpless to against the malicious insider, The distributed firewall can resolve this problem . In this paper , author fisrt introduce the character of the traditional firewall and its exitent problem , then provide the comception of distributed firewall and .describe its architecture .On the basis of above author analyze the implement method and give the realization of the sofeware solution.