随着Internet的快速发展,人们逐渐把技术的焦点从网络的可用性、信息的获取性转移到网络的安全性、应用的简易性上来。建立在IP技术基础上的虚拟专用网(Virtual Private Network,VPN)正快速成为新一代网络。文章主要就虚拟专用网(VPN)在学校校园网中的应用做初浅的探索,提出校园网资源远程访问的一种安全、低廉的解决方案。 With the rapid development of the Internet, people gradually shift the focus of technology from the availability of the network and the availability of information to the security of the network and the simplicity of the application. Virtual Private Network (VPN) based on IP technology is rapidly becoming a new generation of networks. The article mainly explores the application of Virtual Private Network (VPN) in school campus network, and proposes a safe and inexpensive solution to the remote access of campus network resources.