服务器端和客户端,可截获流经本机网卡的ip数据包-Server and client, can be obtained through the native network card IP packets

sniffer 网络工具,够能对IP数据包及时捕获,并能识别出tcp,ip,udp等-Network sniffer tools, enough to IP packet capture in time, and can identify the TCP, IP, udp, etc