是一个基于JPCAP的JAVA管理程序，同时还包括了一部分SNMP的功能，包括PING,端口扫描，SNIFFER等！-This software need a Java virtual machine installed on your computer. The minimal version needed is 5. In order to download a Java VM you can go to http://java.sun.com. I

vc升入详解（孙鑫）的网络编程，tcp局域网聊天， 基于socket实现，client端程序以后上传。-vc promoted to Xiangjie (Sun Xin) network programming, tcp LAN chat, socket-based implementation, client-side program after the upload.

孙鑫老师的TCP协议讲座 自己动手操练的-Sun Xin teacher talks TCP protocol drilling yourself

孙鑫老师视频教程中代码，UDP通信，包括server和client两部分。-Sun Xin teacher video tutorial code, UDP communication, including server and client in two parts.