ethereal的抓包过滤器原码，能对各种协议报文进行分析和过滤 -The packet capture filter ethereal source, capable of protocol analysis and packet filtering

基于wpcap的抓包工具，可以实现简单的udp包抓取-Based Ethereal tool wpcap, can implement simple udp packet capture

SKohonen神经网络处理网络入侵聚类，通过抓取网络数据包，分析其特征值，利用神经网络聚类来分析入侵行为-SKohonen neural network processing network intrusion cluster, through the network packet capture, analysis its characteristic values, to analyze the intrusion behavior using neural network cluster