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最早出现的NAT(Network Address Translation,网络地址翻译)技术是用来解决互联网IP地址耗尽问题的,随着网络技术的发展,安全需求的提升,NAT逐渐演变为隔离内外网络、保障网络安全的基本手段,而且采用这种技术无须额外投资,单纯利用现有网络设备,即可轻松达到安全目的。本文将从典型应用入手,详细介绍实现安全保护的办法,并分析什么应用适合选用NAT技术
The earliest NAT (Network Address Translation) technology was used to solve the problem of exhaustion of Internet IP addresses. With the development of network technology and the improvement of security requirements, NAT evolved into the isolation of internal and external networks and the protection of network security Basic means, and adopt this kind of technology without extra investment, simply use the existing network equipment, you can easily achieve the safety goal. This article will start with a typical application, detailing ways to achieve security and analysis of what applications suitable for the use of NAT technology