access authorization

Real users are corresponding to different access authorization sources through different graded roles, the role conversion and grade variance can be dynamically completed, so the access control mechanism becomes more flexible.

每一个实际用户通过不同等级的角色，对应于不同访问权限的资源，并可动态地进行角色转换和等级变迁，从而使访问控制机制更为灵活。

Analysis and comparisons between the currently prevalent security models for access control and authorization are then presented.

同时分析和比较了当前普遍使用的几种授权和访问控制等安全模型，并对审计模型作了介绍；

With more and more extensive application of J2EE Enterprise Applications, how to design an universal and flexible access authorization system is an urgent problem we must solve.

J2EE环境下的企业级应用中，访问控制系统是其至关重要的组成部分，如何设计一个通用的插件化的访问控制系统成了亟待解决的问题。

Security of Computer Network and Realization of Restricting to Access Authorization

计算机网络的安全和访问权限限定的实现

One drawback existed within a SOA-based system is unable to identify the user identity, which is due to the limitation on the role-and-permission-based access authorization within a traditional access control mechanism.

由于面向服务环境中无法确定用户身份，传统访问控制难以通过定义用户的角色和权限来进行访问授权。

Design and Integration of J2EE Applications' Access Authorization Based on LDAP

J2EE环境下基于LDAP的访问控制的设计与集成

If yes, the new coalition member provided service directly, or the migrating instance would obtain the access authorization according to the local rules.

若是，则新盟员可以直接为其提供服务，否则再根据本地规则进行访问授权。

Besides, ISPs require careful attention to users access authorization, usage accounting, billing and charging to gain operating earning.

另一方面，网络运营商要通过增强用户管理，通过对用户使用网络的接入认证、使用记账、计费收费来取得运营收入。

Most of the current systems implement access control and authorization in a proprietary manner.

目前多数系统都以专有的方式实现访问控制和授权。

This activity is usually performed for network access authorization and authentication, content filtering, or to better utilize network bandwidth through caching.

通常为了进行网络访问授权和身份验证、内容筛选或通过缓存更好地利用网络带宽而进行此活动。

Research on the access authorization strategy of ASP service platform

ASP服务平台访问授权策略研究

This scheme combined static authority allotment with dynamic access authorization, solving the restriction of traditional authority management system.

该方案采用静态权限分配与动态权限授权相结合，很好的解决了传统权限管理的僵化。

The system achieves identity authentication, access authorization, and accounting management to the remote access users.

该系统实现了远程访问用户的安全认证、访问授权和记费管理。

Any attempt to perform these tasks without the proper access authorization will result in an exception error.

在没有适当访问授权的情况下，任何执行上述任务的尝试都将导致异常错误。

The Dependent Relationships of Access Authorization Tasks and its Timed Color Petri Net Analysis Model

访问授权任务依赖关系及其Petri网分析

The metadata, such as file names, attributes, saved address and access authorization information is generally managed by the metadata servers.

数据的元数据如文件的名字、属性、保存地址和访问授权等信息一般由元数据服务器进行管理。

Management Method Research of WEB Access Authorization

WEB站点访问权限管理方法探讨

The article just discuss how to use the technic in existence to work it out that the roaming and access authorization of WLAN system.

因此本文选题旨在讨论如何运用现有的技术，多种方式的解决WLAN系统的漫游和接入认证问题，内容具有一定的实用价值。

The security aim of E-Government Affairs is to prevent all kinds of intrusion and attack, access without authorization, imitation, juggle, disavowal from exterior and inside.

电子政务系统的安全目标是防止来自外部和内部的各种入侵和攻击，防止非授权的访问，防止各种冒充、篡改和抵赖等行为，防止信息泄密和被破坏。

The protocol is based on the ideal of access authorization and right transfer in a distributed environment, and adopts the access control of delegation certificate instead of identity certificate of customers. It is a key-oriented access control.

该协议基于分布式环境下访问授权和权限传递的思想，采用委托证书的访问控制代替目前常用的用户身份认证，这种访问控制方式是面向密钥的。

Distributed Access Control Using Authorization Certificates

利用授权证书实现分布式的访问控制

In order to express the complicated and dynamic access control authorization relations in the real world, a novel model& TD-RBAC ( Task-based Dynamic RBAC) was proposed.

为了能更加充分地表达现实世界中复杂的、动态的访问控制授权关系，提出了一个基于任务的动态角色访问控制模型&TD RBAC。

How to avoid access without authorization when realizing the security of resource sharing, multi-security cooperation is very important. Access control is one of the key points.

跨安全域环境下如何防止未经授权的访问，实现资源共享、多方协作的安全、有效建立，访问控制技术是其中关键技术之一。

The organization models and modeling idea available lack of the formalized describing on dynamic process and enough expressing for the changeability of access authorization for resource.

目前提出的组织模型和建模思想，缺乏对模型中的动态过程的形式化描述，对资源权限的易变性表达不够。

To encrypt the accounting data in active node, propose an access authorization policy based on role, set up node security model in active distributed accounting, which ensure accounting security, and make the frame more practical.

2进行了改进用于主动节点计费数据加密，提出基于角色的访问控制策略，建立了主动分布计费节点安全模型，保证了计费的安全，使上述框架更具实用性。

Secondly, In order to prevent substitutive attacks to TCG objects access and authorization protocol, the original one is improved and applied to interaction between TEFS and TPM.

第二，对TCG对象访问授权协议进行了改进，并将改进后的协议应用于TEFS与TPM交互过程中，避免了对原有协议的替换攻击。

Log in to enter credentials for authentication and account access authorization.

登录以输入认证和帐户访问授权的凭证。

Fig3.Have you ever yelled at the receptionist behind the glass door to beg the access authorization?

有没有碰到过对着程控玻璃门后的前台大声吼叫，她才让你进去的情况？

XACML is an initiative to develop a standard for access control and authorization systems.

XACML的初衷是开发一项访问控制和授权系统的标准。

Some security threats exist in file services of data center, such as access without authorization.

数据中心内的文件服务存在未授权访问等安全威胁。