DIFFERENT TYPES OF INTERNET ERROR CODES !!

Error 400 - Bad request.

Error 401 - unauthorized request.

Error 403 - forbidden

Error 404 - Not found.

Error 500 -Internal error.

Error 501 - Not Implemented

Error 502 - Bad Gateway

Error 503 -Service unavailable.

Error 504 - Gateway Time-Out

Error 505 - HTTP Version not supported/DNS Lookup Fail/ unknown host

Error 500-599 - Server Errors.