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1 引言 防火墙对于企业网络的防御系统来说,是一个不可缺少的基础设施。我们在选择防火墙时,首先考虑的就是需要一个什么结构的产品,防火墙发展到今天,很多产品已经越来越象是一个网络安全的工具箱,工具的多少固然很重要,而系统的结构则是一个起决定性作用的前提,因为防火墙的结构决定了这些工具的组合能力,决定了当你在某种场合需要一个系统声称提供的功能的时候是不是真的能够用得上。
1 Introduction Firewall for the enterprise network defense system, it is an indispensable infrastructure. When we choose the firewall, the first thing to consider is what kind of product structure is needed. As firewalls are developed today, many products have become more and more like a cyber-security toolbox. The number of tools is certainly important, but the structure of the system is A decisive premise, as the structure of the firewall determines the combined capabilities of these tools and determines whether or not you really have access to the features that a system claims to provide on a particular occasion.