【摘要】 Ipsec是工作在网络层的安全协议,它灵活地将加密、认证、密钥管理和访问控制等结合在一起,为Internet提供了一个标准的、安全的网络环境。本文阐述了基于Ipsec的VPN的原理与实现,并分析了其安全性。更多还原

【Abstract】 Ipsec is the security protocol that works under the net layer. It integrates encrypt, authentication, secrectkey management and access control together flexibly, and it provides a standard and safe network environment forInternet. This article illustrates the principle and Implementation of VPN based on Ipsec and analyze the security of it.更多还原