【摘要】 分析了虚拟专用网的现状和 Internet现存的安全问题 ,提出用虚拟专用网来解决 Internet存在的安全问题 ,从根本上解决了 Internet面临的不安全因素的威胁 ,并对这一解决途径进行了设计与实现 ,对虚拟专用网的关键技术作了进一步探讨 .更多还原

【Abstract】 The current situation of virtual private network and the security problems of internet are analyzed,we present a solution—virtual private network,which is designed to solve the threats to the internet of insecurity,then we design and implement the solution of VPN,at last,we have a further study of virtual private network.更多还原