Design and Implement of a New Firewall

A new firewall system is provided . The firewall is mainly to solve the security of middle and small Intranet in which inner users want to connect to Internet. The firewall is full-functions, simplicity-in-operation, good-compatibility and easy-extension. The emerging technologies of network security are also combined or adopted in the firewall system. The operating platform of the firewall is Linux who is the most popular operating system in middle and small Intranet market because Linux is free and open source operating systems and is very suitable for Web server.