The request header is invalid. The inprocess http server refused the request. (request uri = aa....aa, bb....bb = cc....cc, client = dd....dd:ee....ee)

aa....aa: Request URI
bb....bb: Name of the invalid request header
cc....cc: Value of the invalid request header
dd....dd: IP address of the client to which you will connect (IP address of the reverse proxy, if reverse proxy is being used)
ee....ee: Port number of the client to which you will connect (port number of the reverse proxy, if reverse proxy is being used)

Description

The in-process HTTP server has denied the accessed request because an invalid request header was received.

Action

Make sure whether no problem exists in the Web client that has sent the invalid request, and avoid sending invalid request headers.