Int hisp aper first thes hortages oft he conventional firewall are simply analysed and the concept of the distributedf irewall isi ntroduced,a ndt hent he baisc principle of the distributed firewall is simply set forth.

• 在本文中,首先分析了传统防火墙的不足,进而引出分布式防火墙的概念,并简要阐述了分布式防火墙的基本原理。