基于IPSec技术的VPN实现方法

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虚拟专用网是利用Internet互联网实现企业内部低成本远程安全访问的一种技术.利用IPSes协议构建安全VPN是主流方式.文章阐述了IPSec协议的概念和关键性技术组成,深入剖析了基于网关的IPSec的VPN的实现及安全性,着重比较了IPSec的传输模式和通道模式各自的特点,并对两者组合方式的应用进行了探讨,为企事业单位选择VPN方案提供了参考.
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