| Basso | Date: Friday, 2012-04-13, 9:44 PM | Message # 1 |
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HTTP Status Messages
When a browser requests a service from a web server, an error might occur.
This is a list of HTTP status messages that might be returned:
1xx: Information
100 Continue - The server has received the request headers, and the client should proceed to send the request body.
101 Switching Protocols - The requester has asked the server to switch protocols.
103 Checkpoint - Used in the resumable requests proposal to resume aborted PUT or POST requests.
2xx: Successful
200 OK - The request is OK (this is the standard response for successful HTTP requests)
201 Created - The request has been fulfilled, and a new resource is created
202 Accepted - The request has been accepted for processing, but the processing has not been completed
203 Non-Authoritative Information - The request has been successfully processed, but is returning information that may be from another source
204 No Content - The request has been successfully processed, but is not returning any content
205 Reset Content - The request has been successfully processed, but is not returning any content, and requires that the requester reset the document view
206 Partial Content - The server is delivering only part of the resource due to a range header sent by the client
3xx: Redirection
300 Multiple Choices - A link list. The user can select a link and go to that location. Maximum five addresses
301 Moved Permanently - The requested page has moved to a new URL
302 Found - The requested page has moved temporarily to a new URL
303 See Other - The requested page can be found under a different URL
304 Not Modified - Indicates the requested page has not been modified since last requested
306 Switch Proxy - No longer used
307 Temporary Redirect - The requested page has moved temporarily to a new URL
308 Resume Incomplete - Used in the resumable requests proposal to resume aborted PUT or POST requests
4xx: Client Error
400 Bad Request -The request cannot be fulfilled due to bad syntax
401 Unauthorized - The request was a legal request, but the server is refusing to respond to it. For use when authentication is possible but has failed or not yet been provided
402 Payment Required - Reserved for future use
403 Forbidden - The request was a legal request, but the server is refusing to respond to it
404 Not Found - The requested page could not be found but may be available again in the future
405 Method Not Allowed - A request was made of a page using a request method not supported by that page
406 Not Acceptable - The server can only generate a response that is not accepted by the client
407 Proxy Authentication Required - The client must first authenticate itself with the proxy
408 Request Timeout - The server timed out waiting for the request
409 Conflict - The request could not be completed because of a conflict in the request
410 Gone - The requested page is no longer available
411 Length Required - The "Content-Length" is not defined. The server will not accept the request without it
412 Precondition Failed - The precondition given in the request evaluated to false by the server
413 Request Entity Too Large - The server will not accept the request, because the request entity is too large
414 Request-URI 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
415 Unsupported Media Type - The server will not accept the request, because the media type is not supported
416 Requested Range Not Satisfiable - The client has asked for a portion of the file, but the server cannot supply that portion
417 Expectation Failed - The server cannot meet the requirements of the Expect request-header field
5xx: Server Error
500 Internal Server Error - A generic error message, given when no more specific message is suitable
501 Not Implemented - The server either does not recognize the request method, or it lacks the ability to fulfill the request
502 Bad Gateway - The server was acting as a gateway or proxy and received an invalid response from the upstream server
503 Service Unavailable - The server is currently unavailable (overloaded or down)
504 Gateway Timeout -The server was acting as a gateway or proxy and did not receive a timely response from the upstream server
505 HTTP Version Not Supported - The server does not support the HTTP protocol version used in the request
511 Network Authentication Required - The client needs to authenticate to gain network access
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