Web server error codes - Tips4ever


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Apr 30, 2013

Web server error codes

1xx: Information
Message:     Description:
  • 100 Continue     Only a part of the request has been received by the server, but as long as it has not been rejected, the client should continue with the request
  • 101 Switching Protocols     The server switches protocol

2xx: Successful
Message:     Description:
  • 200 OK     The request is OK
  • 201 Created     The request is complete, and a new resource is created
  • 202 Accepted     The request is accepted for processing, but the processing is not complete
  • 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 
  • 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    
  • 305 Use Proxy    
  • 306 Unused     This code was used in a previous version. It is no longer used, but the code is reserved
  • 307 Temporary Redirect     The requested page has moved temporarily to a new url

4xx: Client Error
Message:     Description:
  • 400 Bad Request     The server did not understand the request
  • 401 Unauthorized     The requested page needs a username and a password
  • 402 Payment Required     You can not use this code yet
  • 403 Forbidden     Access is forbidden to the requested page
  • 404 Not Found     The server can not find the requested page
  • 405 Method Not Allowed     The method specified in the request is not allowed
  • 406 Not Acceptable     The server can only generate a response that is not accepted by the client
  • 407 Proxy Authentication Required     You must authenticate with a proxy server before this request can be served
  • 408 Request Timeout     The request took longer than the server was prepared to wait
  • 409 Conflict     The request could not be completed because of a conflict
  • 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-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
  • 415 Unsupported Media Type     The server will not accept the request, because the media type is not supported
  • 417 Expectation Failed    

5xx: Server Error
Message:     Description:
  • 500 Internal Server Error     The request was not completed. The server met an unexpected condition
  • 501 Not Implemented     The request was not completed. The server did not support the functionality required
  • 502 Bad Gateway     The request was not completed. The server received an invalid response from the upstream server
  • 503 Service Unavailable     The request was not completed. The server is temporarily overloading or down
  • 504 Gateway Timeout     The gateway has timed out
  • 505 HTTP Version Not Supported     The server does not support the "http protocol" version 
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