【摘要】 VPN是通过隧道技术在公共网络上搭建企业自己的专用网络,同时对VPN的多种实现方案如L2TP协议、PPTP协议、L2F协议等进行了研究和分析,通过建立一个安全的VPN,以保证网络数据传输安全.更多还原

【Abstract】 The aim of VPN is to build the enterprises?own special networks on common ones through the technology of tunnel, to be open and private at the same time to connect branches with partners which disperse all over the world as if it were in his own net. This paper discusses kinds of VPN schemes such as L2TP, PPTP, L2F. The security of Internet can be ensured through building a secure VPN.更多还原