#subrequest
Posts
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Digging into Apache httpd's Source 10: Request Processing — From a URL to a File and a Handler
How does the single line GET /hello.html become a file on disk and a handler that sends it out? We follow the order of the phases in ap_process_request_internal() through the real source. We also look at the three walks that merge Location, Directory and Files settings, mod_dir's subrequest and ErrorDocument's internal redirect, using a module that logs every phase.