...o TCP截获功能的SYN洪流： 具有Cisco TCP截获功能的SYN洪流 如果能采用基于上下文的访问控制(Context Based Access Control,CBAC)，则可以用其超时和阈值设置应对SYN洪流和UDP垃圾洪流。
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基于上下文的访问控制 CBAC ; Context-based Access Control
例如，对于队列，使用一个MQQUEUE概要文件来控制对该队列的访问，但是mqadmin类中的其他概要文件用于控制上下文和用户安全性。
For example, for a queue, an MQQUEUE profile is used to control MQI access to the queue, but other profiles in the MQADMIN class are used to control context and alternate user security.
在第二个阶段，每个登录模块提交它的登录的结果，用在登录阶段获取的凭证更新当前访问控制上下文的JAAS Subject。
In the second phase, each login module commits the outcome of its login, updating the JAAS Subject of the current access control context with credentials acquired during the login phase.
讨论了数据库细粒度访问控制的几种常见技术，并结合实例介绍了如何使用VPD、应用上下文和视图来构建企业细粒度访问控制体系。
The paper describes the theory of several technologies, such as VPD, Application Context and View, of Fine-grained Access and how they work together with the explanation of an example.
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