摘要
现有路由器的QQ软件过滤模块,通常是基于传统端口过滤方法。在QQ使用代理登录时,无法真正禁止QQ软件上线。为了能够充分禁止QQ软件上线,文中对QQ协议进行深入分析,提出了一个全新的QQ协议正则表达式,并利用包分类器L7-filter与Netfilter模块,解决了QQ过滤问题。
QQ software filter of the existing router is based on traditional port methods.It cannot forbid QQ to login effectively when QQ login uses the proxy.In order to keep QQ software off-line,this paper analyzes the QQ protocol and propose a new QQ protocol regular expression.Taking the advantage of l7-filter and Netfilter,it solves the problem of the QQ software filter effectively.
出处
《电子科技》
2011年第3期31-33,37,共4页
Electronic Science and Technology
关键词
防火墙
应用层过滤
QQ协议分析
firewall
application layer filtering
QQ protocol analysis
