虚拟专用网(VPN)在网络安全中的作用

Application of virtual private network in network security

VPN技术就是在数据传送过程中加上了加密和认证的网络安全技术 .通过这种技术 ,可以利用公共网络构建自己的专用网络 .

The technology of VPN is the network security technology which is added encrypt and attestation in the process when the data is transmitted. By this technology,people can apply common mutual network to building their own private network.