怎样用IPSec技术在公网中建立VPN

How to Set up VPN on Public Network by IPSec Technology

网络安全是计算机网络设计和建设时必须要考虑的一个问题,而且作为网络基础设施的计算机网络安全的重要性也受到越来越多的关注。在公网中,实施网络安全的方法有多种,其中建立虚拟专用网络(VPN)是较常用的方法之一,本文论述了怎样利用 IPSec技术在公网中建立 VPN的方法。

Network Security, one of the key points during the computer network design and construction, becomes more and more important as the netwoik fundamental facility. There are many methods to the security implementation, one of which is to set up Virtual Private Network (VPN). This aiticle will focus on how to set up VPN on Public Network by IPSec technology.