VPN中的安全卫士—IPSec协议

Guard in the VPN-IPSec Agreement

IPCec是目前适用于所有 Internet通信的唯一一种安全技术 ,是目前最易于扩展、最完整的一种网络安全方案。本文就 VPN中的第三层隧道协议 IPSec的组成、特点、工作模式、工作原理及在 VPN中的应用做了理论性的阐述。同时也指出了 IPSec的尚待补充之处和发展前景。

IPSec is at the present the only safety technique applicable to all the Internet communications and,with its easiest ways of expansion,it is so far the most complete network safety program.This article theoretically explains the composition,features,working mode,working principles and the application in the VPN of the third tunnel IPSec agreement.Meanwhile,this article points out some drawbacks needed to be mended as well as the development prospects of the IPSec.