一、引言随着中学校园网络应用的不断深入,校园网上各种应用和信息急剧增多,网络用户数量的成倍增加,网络的安全问题也不断暴露出来,如何保障中学网络的正常运行、确保资源的安全访问,避免校园网络遭受病毒、恶意软件和黑客的攻击就显得十分重要。中学校园网络在建设和运行的过程中,必须针对不 I. INTRODUCTION As the application of middle school campus network continues to deepen, various kinds of applications and information on the campus network increase sharply. The number of network users has doubled. The security of the network has also been continuously exposed. How to ensure the normal operation of the secondary school network and ensure the resources It is important to avoid the campus network from being attacked by viruses, malware and hackers. Middle school campus network in the process of construction and operation, must be targeted at not