VPN介绍及其安全性问题探讨

Introduction of VPN and Its Exploration of Security

本文简要介绍了一下VPN的发展历史及其主要技术,阐述了现在比较常见的三种VPN技术,从大体上介绍了它们的主要技术及其优缺点。重点介绍了引起人们关注的VPN安全问题。

This paper introduces the history of the development of the VPN technology and its principal, expounded the now more common three VPN technology, from largely on their major technology and its advantages and disadvantages. Focus on what attracts people＇s attention VPN security issues.