局域网来访者IP监视以及文件修改监视： 1.监听常用的局域网访问工具，并记录来访IP（win2000/xp/2003) 2.监视文件被修改情况-IP LAN monitor visitors, as well as amend the surveillance documents: 1. Monitor local area network access to commonly used tools, and record the visitors IP (win2000/xp/2003