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防火墙技术是建立在现代通信网络技术和信息安全技术基础上的应用性安全技术。本文详细的讨论了防火墙原理及分类,选择防火墙的标准,并展望了防火墙技术的发展走向。
Firewall technology is based on modern communications network technology and information security technology based on the application of security technology. This article discusses in detail the principles and classification of firewalls, the criteria for selecting firewalls, and looks forward to the development of firewall technologies.