The request is successfully processed.
The server fails to process the request.
The requested page requires a username and a password.
Access to the requested page is denied.
The server fails to find the requested page.
Method Not Allowed
Method specified in the request is not allowed.
Response generated by the server is not acceptable to the client.
Proxy Authentication Required
Proxy authentication is required before the request is processed.
A timeout error occurs because the request is not processed within the specified waiting period of the server.
The request cannot be processed due to a conflict.
Internal Server Error
The request is not processed due to a server error.
The request is not processed because the server does not support the requested function.
The request is not processed, and the server receives an invalid response from the upstream server.
The request is not processed due to a temporary system abnormality.
A gateway timeout error occurs.