HTTP Status Codes

by Ramya 2008-05-22 10:11:17

HTTP Codes:
HTTP Status codes are returned by the server to the client to determine the outcome of a request.
Following are the list of HTTP status codes:
100 - Continue
> First part of the request has been received and that it should continue with the rest of the request or ignore if the request has been fulfilled.
101 - Switching Protocol
> Server will switch protocols to that specified in the Upgrade message header field during the current connection.

200 - OK
> The request sent was successful.
201 - Created
> The request was successful and a new resource was created.
202 - Accepted
> The request has been accepted for processing, but the processing has not been completed.
203 - Non-Authoritative Information
> The returned meta information in the entity-header is not the definitive set as available from the origin server.
204 - No Content
> Server has received the request but there is no information to send back. This is mainly to allow input for scripts without changing the document at the same time.
205 - Reset Content
> The request was successful but the User-Agent should reset the document view that caused the request.
206 - Partial Content.
> The partial GET request has been successful.

300 - Multiple Choices.
> The requested resource has multiple possibilities, each with different locations.
301 - Moved Permanently
> The resource has permanently moved to a different URI.
302 - Found
> The requested resource resides temporarily under a different URI. Since the redirection might be altered on occasion, the client SHOULD continue to use the Request-URI for future requests.
303 - See Other
> The requested response is at a different URI and should be accessed using a GET command at the given URI.
304 - Not Modified
> The resource has not been modified since the last request.
305 - Use Proxy
> The requested resource can only be accessed through the proxy specified in the location field.
306 - No Longer Used
> Reserved for future use.
307 - Temporary Redirect
> The resource has temporarily been moved to a different URI. The client should use the original URI to access the resource in future as the URI may change.

400 - Bad Request
> The syntax of the request was not understood by the server.
401 - Not Authorised
> The request needs user authentication.
402 - Payment Required
> Reserved for future use.
403 - Forbidden
> The server has refused to fulfill the request.
404 - Not Found
> The document/file requested by the client was not found.
405 - Method Not Allowed
> The method specified in the Request-Line is not allowed for the specified resource.
406 - Not Acceptable
> The resource requested is only capable of generating response entities which have content characteristics not specified in the accept headers sent in the request.
407 - Proxy Authentication Required
> The request first requires authentication with the proxy.
408 - Request Timeout
> The client failed to sent a request in the time allowed by the server.
409 - Conflict
> The request was unsuccessful due to a conflict in the state of the resource.
410 - Gone
> The resource requested is no longer available and no forwarding address is available.
411 - Length Required
> The server will not accept the request without a valid Content-Length header field.
412 - Precondition Failed
> A precondition specified in one or more Request-Header fields returned false.
413 - Request Entity Too Large
> The request was unsuccessful because the request entity is larger than the server will allow.
414 - Request URI Too Long
> The request was unsuccessful because the URI specified is longer than the server is willing to process.
415 - Unsupported Media Type
> The request was unsuccessful because the entity of the request is in a format not supported by the requested resource for the method requested.
416 - Requested Range Not Satisfiable
> The request included a Range request-header field, and not any of the range-specifier values in this field overlap the current extent of the selected resource, and also the request did not include an If-Range request-header field.
417 - Expectation Failed
> The expectation given in the Expect request-header could not be fulfilled by the server.

500 - Internal Server Error
> The request was unsuccessful due to an unexpected condition encountered by the server.
501 - Not Implemented
> The request was unsuccessful because the server can not support the functionality needed to fulfill the request.
502 - Bad Gateway
> The server received an invalid response from the upstream server while trying to fulfill the request.
503 - Service Unavailable
> The request was unsuccessful to the server being down or overloaded.
504 - Gateway Timeout
> The upstream server failed to send a request in the time allowed by the server.
505 - HTTP Version Not Supported
> The server does not support or is not allowing the HTTP protocol version specified in the request.

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