Kerberos协议主要用于计算机网络的身份鉴别(Authentication), 其特点是用户只需输入一次身份验证信息就可以凭借此验证获得的票据(ticket-granting ticket)访问多个服务，即SSO(Single Sign On)。由于在每个Client和Service之间建立了共享密钥，使得该协议具有相当的安全性。-Mainly used for identity authentication protocol Kerberos computer network (Authentication), which is characterized by a user simply enter authentication information can be obtained by virtue of this verification notes (ticket-granting ticket) to access multiple services, namely SSO (Single Sign On ). Because between each Client and the Service to establish a shared key, so that the agreement is quite secure.