500InternalServerError Internal Server Error
501NotImplemented Not Implemented
502BadGateway Bad Gateway
503ServiceUnavailable Service Unavailable
504GatewayTimeout Gateway Timeout
505HTTPVersionNotSupported HTTP Version Not Supported
506VariantAlsoNegotiates Variant Also Negotiates
507InsufficientStorage Insufficient Storage
508LoopDetected Loop Detected
510NotExtended Not Extended