## 14.3. Per-Directory Configuration

It is also possible for modules to be configured on a per-directory, per-URL, or per-file basis. Again, each module optionally creates its own per-directory configuration (the same structure is used for all three cases). This configuration is made available to modules either directly, during configuration, or indirectly, once the server is running, through the `request_rec` structure, detailed in the next section.

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