【摘要】 随着因特网的广泛应用,网络的安全就越来越重要,IETF着手制定了一套开放标准网络安全协议IPSec,将密码技术应用在网络层。由于IPSec协议的安全特性,IPSec协议成为实现VPN的主要方式。更多还原

【Abstract】 With the wide application of Internet,the network security is more and more important.IETF has defined a set of network security protocol IPSec of opening standard,which will apply the password technique into the network layer.Because of the security features of IPSec protocol,the IPSec protocol is main means of realizing VPN.更多还原