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网络接入控制(NAC)是网络安全领域的流行话题。尽管许多人都听说过这个方案,但实际上并不理解网络接入控制是如何真正提高网络安全性的。网络接入控制解决方案通过保持终端的兼容性可以让工作变得更加有效率,它可以让客户简便安全地访问企业网络,可以对用户的使用情况进行全面跟踪和分析。但比起微软的网络访问保护(NAP)方案,网络接入控制理念的实现过程中要涉及到软硬件层面的改动——例如思科的网络接入控制方案就是这样,相对更为复杂。本文中,让我们和笔者一起走近网络接入控制方案,了解其更为详尽的技术信息和实施方法。
Network Access Control (NAC) is a popular topic in the field of network security. Although many people have heard of this program, they do not actually understand how network access control actually improves cyber security. Network Access Control solutions can make your job more productive by maintaining terminal compatibility, giving your customers easy, secure access to your corporate network and comprehensive tracking and analysis of your users’ usage. But compared to Microsoft’s Network Access Protection (NAP) solution, the concept of network access control involves hardware and software changes - as is the case for Cisco’s network access control solution, which is relatively more complex. In this article, let us and the author together approached the network access control program to understand its more detailed technical information and implementation methods.