【摘要】 介绍一种三层结构的网页监控与恢复系统 ,对其功能、原理及软件编程实现方法做了详细阐述 .系统采用三重代理专线结构 ,提供多种数字特征提取算法 ,对信息网站的有效文件从内容、读写权限、目录文件突增等多个角度全部同时监控报警 ,并能实时安全发布网页文件 ,为网站安全管理提供了很重要和直接的手段 .更多还原

【Abstract】 This paper mainly introduces a three_tier web page monitor and restore system. The functions of the system and the principle and methods of design have been described. The system has three tiers. They are console, agent and web server. The communication between three tiers is carried out through a specific line. It provides a lot of idiograph algorithm which gets digital character for checking files of web server. The content, reading or writing limitation of files and numbers of files in a directory in web server are checked. The destroyed web page can be restored. The files can be issued to web server in security in real time. The system is a very important and direct method in maintaining webs.更多还原