Ethereal 是免费的网络协议检测程序，支持Unix，Windows。让您经由程序抓取运行的网站的相关资讯，包括每一封包流向及其内容、资讯可依操作系统语系看出,方便查看、监控TCP session动态等等。 -Ethereal is a free network protocol testing procedures, to support Unix, Windows. Allows you to crawl through the procedures for running the