Layers of Cooperation Filtering Scheme that Examining Virus and Spamming
检测病毒与垃圾邮件融合的分层合作过滤方案*

This paper has analyzed the reason why the spamming produces at first, then has introduced several kinds of typical protected technology. Put forward layers of cooperation filtering scheme that measuring virus and spamming. This technology is implemented in the key place of the network system: Gateway, and has reduced false negative greatly while improving operational efficiency and system security.