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Successful Client Requests
200 OK 
201 Created 
202 Accepted 
203 Non-Authorative Information 
204 No Content 
205 Reset Content 
206 Partial Content 

Client Request Redirected
300 Multiple Choices 
301 Moved Permanently 
302 Moved Temporarily 
303 See Other 
304 Not Modified 
305 Use Proxy 

Client Request Errors
400 Bad Request 
401 Authorization Required 
402 Payment Required (not used yet) 
403 Forbidden 
404 Not Found 
405 Method Not Allowed 
406 Not Acceptable (encoding) 
407 Proxy Authentication Required 
408 Request Timed Out 
409 Conflicting Request 
410 Gone 
411 Content Length Required 
412 Precondition Failed 
413 Request Entity Too Long 
414 Request URI Too Long 
415 Unsupported Media Type 

Server Errors
500 Internal Server Error 
501 Not Implemented 
502 Bad Gateway 
503 Service Unavailable 
504 Gateway Timeout 
505 HTTP Version Not Supported 

More elaborate error documentation:

  • 200 The request was successful, and the requested file was delivered to the Web browser.
  • 304 The request was successful, but the requested file did not have to be delivered to the Web browser because the visitorís Web browser already had a current version of the requested file in its cache
  • 403 Access Denied A user tried to access a file or directory that they did not have permission to access.
  • 404 File Not Found A file was requested that does not exist. The request was unsuccessful because the Web server couldnít find the requested file. This "404" corresponds to the "404 File Not Found" error returned by your Web server
  • 500 Internal Server Error For any of a number of reasons, the server encountered some type of error.
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Page last modified on March 31, 2006, at 01:09 AM