现代校园网根植于当今飞速发展、信息开放的环境中,导致外网大量病毒和黑客攻击此起彼伏。本文就此现象从防火墙技术这一角度阐述解决校园网网络安全实际需求的方法,有效实施校园网安全技术的建设,构筑绿色校园网络。 Modern campus network rooted in today’s rapid development, open information environment, leading to a large number of external network virus and hacker attacks one after another. This article on this phenomenon from the perspective of firewall technology to address the actual needs of the campus network security methods to effectively implement the construction of campus network security technology and build a green campus network.