Nginx status code to message map.

nginx-status-text.conf

map $status $status_msg {
	default "An error occured";
	100 Continue;
	101 "Switching Protocols";
	102 Processing; # WebDAV; RFC 2518
	200 OK;
	201 Created;
	202 Accepted;
	203 "Non-Authoritative Information";
	204 "No Content";
	205 "Reset Content";
	206 "Partial Content";
	207 Multi-Status; # WebDAV; RFC 4918
	208 "Already Reported"; # WebDAV; RFC 5842
	226 "IM Used"; # RFC 3229
	300 "Multiple Choices";
	301 "Moved Permanently";
	302 Found;
	303 "See Other";
	304 "Not Modified";
	305 "Use Proxy";
	306 "Switch Proxy";
	307 "Temporary Redirect";
	308 "Permanent Redirect"; # RFC 7538
	400 "Bad Request";
	401 Unauthorized;
	402 "Payment Required";
	403 Forbidden;
	404 "Not Found";
	405 "Method Not Allowed";
	406 "Not Acceptable";
	407 "Proxy Authentication Required";
	408 "Request Timeout";
	409 Conflict;
	410 Gone;
	411 "Length Required";
	412 "Precondition Failed";
	413 "Request Entity Too Large";
	414 "Request-URI Too Long";
	415 "Unsupported Media Type";
	416 "Requested Range Not Satisfiable";
	417 "Expectation Failed";
	418 "I'm a teapot"; # RFC 2324
	419 "Authentication Timeout"; # not in RFC 2616
	# 420 "Method Failure"; # Spring Framework
	420 "Enhance Your Calm"; # Twitter
	422 "Unprocessable Entity"; # WebDAV; RFC 4918
	423 Locked; # WebDAV; RFC 4918
	424 "Failed Dependency"; # WebDAV; RFC 4918
	426 "Upgrade Required";
	428 "Precondition Required"; # RFC 6585
	429 "Too Many Requests"; # RFC 6585
	431 "Request Header Fields Too Large"; # RFC 6585
	440 "Login Timeout"; # Microsoft
	444 "No Response"; # Nginx
	449 "Retry With"; # Microsoft
	450 "Blocked by Windows Parental Controls"; # Microsoft
	451 "Unavailable For Legal Reasons"; # Internet draft
	# 451 Redirect; # Microsoft
	494 "Request Header Too Large"; # Nginx
	495 "Cert Error"; # Nginx
	496 "No Cert"; # Nginx
	497 "HTTP to HTTPS"; # Nginx
	498 "Token expired/invalid"; # Esri
	499 "Client Closed Request"; # Nginx
	# 499 "Token required"; # Esri
	500 "Internal Server Error";
	501 "Not Implemented";
	502 "Bad Gateway";
	503 "Service Unavailable";
	504 "Gateway Timeout";
	505 "HTTP Version Not Supported";
	506 "Variant Also Negotiates"; # RFC 2295
	507 "Insufficient Storage"; # WebDAV; RFC 4918
	508 "Loop Detected"; # WebDAV; RFC 5842
	509 "Bandwidth Limit Exceeded"; # Apache bw/limited extension
	510 "Not Extended"; # RFC 2774
	511 "Network Authentication Required"; # RFC 6585
	598 "Network read timeout error"; # Unknown
	599 "Network connect timeout error"; # Unknown
}