This paper present a middleware implementation of access control model, and applied it to a B/S mode enterprise application.
本文研究了使用中间件技术来实现一个基于B／S模式应用的权限访问控制组件，并将其应用于所开发的项目中。
The scheme is based on the user access control and it defines a fine access control mode. It is very suitable for the case that need to authenticate the user of the private network.
该方案对用户的认证是基于用户的权限进行的，定义了良好的资源访问控制模式，非常适合实际系统对内部网络用户有认证要求的场合。
It puts forwards a new access control mode based on role and task to make access control more flexible. The formalized meaning, restriction and application in school grid are also presented.
分析了以上两种模型存在的问题，为了使访问控制更灵活，提出了一种基于角色和任务的访问控制模型，并给出了模型的形式化定义、授权约束和在校园网格中的应用。
Furthermore, in operational mode, master data is leveraged by applications through services, where services provide control over master data creation, management, quality, and access.
另外，在操作性模式中，应用程序通过服务使用主数据，这些服务控制主数据的创建、管理、质量和访问。
The structure of the system, mail service protocols, mode of messaging, allocation of mailboxes as well as personal security for authentication and access control measures are discussed in this paper.
文中论述了该系统的结构、邮递服务协议、邮递方式、信箱的管理及信件的保密和存取控制手段等问题。
The results showed the model with single-log-in could access to resources in PULL mode, protect the private privacy and the access control policy and could be implemented easily.
分析表明，模型具有单点登录、PULL模式访问资源、用户隐私保护、访问控制策略保护、易于实现的特点。
The results showed the model with single-log-in could access to resources in PULL mode, protect the private privacy and the access control policy and could be implemented easily.
分析表明，模型具有单点登录、PULL模式访问资源、用户隐私保护、访问控制策略保护、易于实现的特点。
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