根据 安全过滤器的讨论 中的示例，您应该很熟悉这些配置。

The configuration should be familiar to you based on the examples in the discussion of security filters.

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注意：security context holder位于应用程序的范围内，所以可以被其他的安全过滤器访问。

Note that the security context holder exists in the application scope so that it is accessible to other security filters.

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这一节将介绍五种最重要的Acegi安全过滤器。

This section introduces the five most important Acegi security filters.

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