Abstract: This article summarize and organize some server policies under the framework of LAMP according to some real experiments. The article realize function of making different user who uses different URL visit different websites erected on one server by setting Apache configuration files. Besides, this method can also be used to deny users who use IP address to visit this website and falsify server error. And this article discuss a way to collect and classify logs to different files. In addition, the article discusses the causes, process and resolution.The method discussed above will be used to prevent server from malicious attacks.