一种基于IPSec的VPN网关模型

A Model of VPN Gateway Based on IPSec

介绍了VPN的基本技术和IPSec的体系结构及工作模式。分析了基于IPSec的VPN安全网关的应用模型和IPSec在网关上的具体实现方法。提出了一种通过修改Linux内核的方式在原TCP/IP协议栈中添加IPSec的实现方案。阐述了VPN网关的总体结构设计及相关技术设计。

The paper deals with technology of VPN and architecture and operation mode of IPSec, analyzes an application model of VPN gateway based on IPSec and the specific implementation under Linux. Finally, the general structure and the relevant technology of IPSec-VPN model are described.