Network Security and Firewall Technology Research

With the rapid development of Internet and network security issues is becoming increasingly serious. Resolve the issue of net-work security is an important means of firewall technology. In this paper,the basic concept of firewall technology and system architecture,discussed the firewall to achieve the two main technical means: A packet filtering technology is based on (Packet filtering); one is based onagent technology. Finally,the firewall for the future development trend of a brief introduction.