Rules

Common HTTP Status Codes

Status Code	Meaning
200 OK	the HTTP request was successfully carried out
201 Created	the PUT, POST request was successfully carried out
204 No Content	the request was successfully carried out and nothing to return
301 Moved Permanently	the data requested from the client cannot be found under the given address since it has been moved permanently.
302 Moved Temporarily	the requested data has temporarily been moved. the remaining information is specified so that an automatic redirection can take place. The old address remains valid.
400 Bad Request	the server cannot or will not process the request due to something like invalid request message
401 Unauthorized	when authentication is required but has failed or not been provided.
403 Forbidden	the client that the requested data is access-protected and that the request cannot be performed due to the client not having authority.
404 Not Found	the requested website information was not found on the server
409 Conflict	the request could not be processed because of conflict in the request
500 Internal Server Error	-
502 Bad Gateway	something is wrong with your settings

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