HTTP request WEB server return status code list

DocumentWhen a browser requests a service from a web server, an error may occur. The following lists the HTTP status messages returned for all these errors.

1xx: Information

Message:	Description:
100 Continue	Only a part of the request has been encoded ed by the server, but as long as it has not been rejected, the client shoshould continue with the request The server only accepts some requests but does not reject them. The customer should continue the request.
101 Switching Protocols	The server switches protocol Server switch protocol

2xx: Successful

Message:	Description:
200 OK	The request is OK Request successful
201 Created	The request is complete, and a new resource is created Request complete, new resource created
202 Accepted	The request is accepted for processing, but the processing is not complete The process accepts the request, but the whole process has not been completed
203 Non-authoritative Information
204 No Content
205 Reset Content
206 Partial Content

3xx: Redirection

Message:	Description:
300 Multiple Choices	A link list. The user can select a link and go to that location. Maximum five addresses Connection list. You can select a connection to reach the specified connection location. Up to five addresses can be entered.
301 Moved Permanently	The requested page has moved to a new url Switch the request page to a new URL address.
302 Found	The requested page has moved temporarily to a new url The request page is temporarily switched to a new URL address
303 See Other	The requested page can be found under a different url The request page can be found in another URL
304 Not Modified
305 Use Proxy
306Unused	This code was used in a previous version. It is no longer used, but the code is reserved This code is only supported in previous versions. This code is no longer supported in the current version, but the code will be retained.
307 Temporary Redirect	The requested page has moved temporarily to a new url The request page is temporarily switched to a new URL address

4xx: client Error

Message:	Description:
400 Bad Request	The server did not understand the request The server cannot read the request
401 Unauthorized	The requested page needs a username and a password Enter the user name and password on the request page.
402 Payment Required	You can not use this code yet This Code cannot be used.
403 Forbidden	Access is forbidden to the requested page Forbidden access request page
404 Not Found	The server can not find the requested page The server cannot find the request page
405 Method Not Allowed	The method specified in the request is not allowed This request is not allowed
406 Not Acceptable	The server can only generate a response that is not accepted by the client The client cannot accept responses from the server.
407 Proxy Authentication Required	You must authenticate with a proxy server before this request can be served You are not allowed to determine whether a proxy server is used before the request is processed.
408 Request Timeout	The request took longer than the server was prepared to wait Request timeout
409 Conflict	The request cocould not be completed because of a conflict Request conflict
410 Gone	The requested page is no longer available The request page is invalid.
411 Length Required	The "Content-Length" is not defined. The server will not accept the request without it Used for "Content-Length" undefined, and the server cannot accept this request
412 Precondition Failed	The precondition given in the request evaluated to false by the server The Preprocessing process in the request failed.
413 Request Entity Too Large	The server will not accept the request, because the request entity is too large The server does not accept this request because the request entity is too large.
414 Request-url Too Long	The server will not accept the request, because the url is too long. Occurs when you convert a "post" request to a "get" request with a long query information The server does not accept this request because the URL is too long. This error occurs when you use a long query information to convert a "post" request to a "get" request.
415 Unsupported Media Type	The server will not accept the request, because the media type is not supported The server does not accept this request because the media type used is not supported.
416
417 Expectation Failed

5xx: Server errors

Message:	Description:
500 Internal Server Error	The request was not completed. The server met an unexpected condition The request cannot be completed. Server incidents
501 Not Implemented	The request was not completed. The server did not support the functionality required The request cannot be completed. The server does not support the specified function.
502 Bad Gateway	The request was not completed. The server has ed an invalid response from the upstream server The request cannot be completed. The server extracts invalid responses from the upstream server.
503 Service Unavailable	The request was not completed. The server is temporarily overloading or down The request cannot be completed. Overload of server load
504 Gateway Timeout	The gateway has timed out Gateway timeout
505 HTTP Version Not Supported	The server does not support the "http protocol" version The server does not support this "http protocal [http protocol]" version.