4.11.3 Notes

• When setting the file update time as the standard time, the update time is not available for the requests (requests that display status information) that do not access the files on the disk, so the Expires header and the Cache-Control header are not added.

• If you embed a module that is not provided as a standard module by HTTP Server into the LoadModule directive, the Expires header and the Cache-Control header may get operated.

• If you use the header customization functionality simultaneously, do not operate the Expires header and the Cache-Control header with the header customization functionality.

• If the Expires header has already been set up in the response data, this functionality does not add the Expires header and Cache-Control header.

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