Netfilter在拒绝服务防范中的应用

The Application of Netfilter in Keeping Away Deny of Service

随着Internet的发展壮大，网络的安全问题却显得越来越突出,拒绝服务攻击时有发生 ，如何对它进行防范成为目前人们研究的热点。主要构建了基于Netfilter框架的拒绝 服务攻击的安全策略，并简单介绍了Netfilter框架。

With the development of the Internet, network security problem becomes more and more important.How to keep DoS away becomes the focus of secur ity reserch.This paper mainly discuss a security policy of DoS,also introducts the Key knownledge of Netfilter Framework.