Analysis of distributed firewall policy configuration mistakes and their detection
分布式防火墙策略配置错误的分析与检测

As a traditional information security technology(IST),distributed firewall is playing an important role but it has some problems.Conflicts always appear in distributed firewall policy,bringing the security menace.After discussions of some relations between the rules of firewall,this paper demonstrates the probable mistakes which might exist in policy configuration,and also introduces an algorithm of mistake-detecting about policy configuration.Finally,the direction of further research is also presented.