ethereal是一款非常优秀的网络截获、分析工具，支持linux、windows等各种平台和广泛的网络协议。可以用vc6、vc7等工具编译-Ethereal is a very good network intercepted, analytical tools and support linux, windows and other various platforms and a wide range of network protocols. Can vc6, compiler tools such as vc7