Http 4xx Error Status summary

4xx.md

method	path	header	query,entity	status	description
-	-	-	Any	400 Bad Request	The request could not be understood by the server due to malformed syntax
-	-	Any	Any	403 Forbidden	The server understood the request, but is refusing to fulfill it
-	Any	-	-	404 Not Found	The server has not found anything matching the Request-URI
Any	-	-	-	405 Method Not Allowed	The method specified (GET, PUT...) in the Request-Line is not allowed for the resource
-	-	Any	-	412 Precondition Failed	The precondition given in one or more of the request-header fields evaluated to false
-	-	Any	-	431 Request Header Fields Too Large (RFC 6585)	The server is unwilling to process the the header fields are too large.
-	-	-	Any	413 Request Entity Too Large	The server is refusing to process a request because the request entity is too large
-	-	-	Any	414 Request-URI Too Long	The server is refusing to service the request because the Request-URI is too large
-	-	-	Any	415 Unsupported Media Type	The server is refusing to service the request because the entity of the request is in a format not supported
-	-	-	-	408 Request Timeout	The client did not produce a request within the time that the server was prepared to wait
-	-	-	-	409 Conflict	The request could not be completed due to a conflict with the current version of the resource
-	-	-	-	424 Method Failure (WebDAV)	To be used when a method failed
-	-	-	-	423 Locked (WebDAV)	The resource that is being accessed is locked
-	-	-	-	426 Upgrade Required (RFC 2817)	The client should switch to a different protocol such as TLS/1.0
-	-	-	-	428 Precondition Required (RFC 6585)	To prevent "the 'lost update' problem
-	-	-	-	429 Too Many Requests (RFC 6585)	The user has sent too many requests in a given amount of time
-	-	-	-	444 No Response (Nginx)	Indicate that the server has returned no information to the client and closed the connection-against malware
-	-	-	-	495 Cert Error (Nginx)	Code used when SSL client certificate error occurred
-	-	-	-	496 No Cert (Nginx)	client didn't provide certificate
-	-	-	-	499 Client Closed Request (Nginx)	The connection has been closed by client while the server is still processing
-	-	Auth headers	-	401 Unauthorized	The request requires user authentication
-	-	Accept headers	-	406 Not Acceptable	The mime-type is not supported
-	-	Range headers	-	416 Requested Range Not Satisfiable	values outside the current length of the selected resource
-	-	Expect headers	-	417 Expectation Failed	The expectation given in an Expect request-header field could not be met