多级安全策略的Internet防火墙的设计与实施

Design and Implement of Multi-Level Security Policy for Internet Firewalls

针对目前网络安全的紧迫形势 ,指出了传统防火墙的缺陷 ,将多级安全策略用于网络访问控制 ,提出了具有多级安全思想的Internet防火墙 ,并进行了设计与实施 .

According to the imperative status of network security,the flaws of the firewall system based on rules have been pointed out and the Internet Firewall System with multi level security has been presented,the multi level security policy has been used into network access control,and the design and the implement to the system has been made.