In the combination of RBAC96, ARBAC97 and NRBAC, aiming at the particularity of Intranet, the paper constructs a role_based access control model fitting for Intranet.

• 结合RBAC96、ARBAC97模型以及NRBAC模型，针对内部网存在的特殊要求，构造了一个适合内部网的基于角色的安全访问控制模型；