【摘要】 介绍了VPN的网络层协议技术 ,即IPSec隧道技术 ,分析了IPSec的结构和可扩展性 ,阐述了Kerberos的强认证机制 ,提出了基于Kerberos的VPN认证协议 ,并给出了一种使用Kerberos进行认证的VPN实现方法 .更多还原

【Abstract】 This paper introduces protocol technology in network layer which is IPSec tunnel technology, analyzes the structure and the expansibility of IPSec. In the end, the author advances a scheme of VPN authentication protocol based Kerberos and puts forward a VPN implementation used Kerberos to authenticate.更多还原