Changes in Function Flow
There are times when the function flow changes from the normal request-handling process. This happens during internal redirects, restarts, and URI translation functions.
Restarted Requests
Requests may be restarted. For example, a PathCheck directive might restart a request for http://server_name/ as a request for http://server_name/index.html.
Internal Requests
The server can generate internal requests. For example, an SHTML file or Servlet might include a file. While processing the original request, the server makes an internal request to retrieve this file.
URI Translation
The server can execute AuthTrans and NameTrans directives to translate a URI to a physical path name without starting a new request. For example, the server might execute AuthTrans and NameTrans directives in order to set the PATH_INFO_TRANSLATED CGI environment variable.
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