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本文介绍了VPN的概念以及目前主流的两种VPN技术:SSL VPN与IPSec VPN,并在易用性、安全性、扩展性、访问控制等方面作了对比。
This article introduces the concept of VPN and the two mainstream VPN technologies: SSL VPN and IPSec VPN. It compares the ease of use, security, scalability, and access control.