Site Error Codes
Descriptions of the most common error codes that people notice on sites
Error Code
Type of Error
Error Description
400
Bad Request
The request could not be understood by the server due to incorrect syntax. This most commonly occurs when people type in a url that requires a space skip within a certain portion of the context. Try replacing spaces with "%20".
401
Authorization Required
This usually means that the section you are trying to access requires some form of registration. This is a restricted area that can be accessed with a username and password.
403
Forbidden
The site was given instructions to only allow certain people to have access to the resources. You would need to speak with the people that operate the site if you are not sure why you are denied access.
404
Document Not Found
The resource that you are trying to find does not exist on the server. This is usually caused by people entering the wrong url or that the resource has been removed. In any case, if you feel that the document should definitely be there, be sure to notify the site's webmaster so that they can look into it.
405
Method Not Allowed
The method specified in the request-line is not allowed for the resource identified by the request. Most commonly occurs when trying to retrieve information through some form of script that has not been set to allow it.
406
Not Acceptable
The server cannot generate a response that the requestor is willing to accept. Usually means that web server has determined that the method you are using to access its content is not displayable.
407
Proxy Authentication Required
The site can only be accessed if the individual is using a proxy that is authenticated by the server.
408
Request Timed Out
The server has taken an extremely long time in an attempt to send out its resources than expected and therefore it has decided to take a time out.
409
Conflict
The request could not be completed due to a conflict with the current state of the resource.
410
Gone
The resource is absolutely gone from the server with no indication that it is only temporarily unavailable or if it is located elsewhere.
500
Internal Server Error
There is a problem with the site's coding which is preventing it from displaying properly. Be sure to contact the site administrator so that they can fix the problem.
501
No Server
The functions that are attempting to be used with the current web server software are not valid.
502
Bad Gateway
The server, that is acting like a traffic director, is receiving invalid responses from the other servers. Wait and try again later.
503
Service Unavailable
The server is currently unable to handle further requests due to it being taken offline for maintenance or the demand for its resources is currently too high.
504
Gateway Timeout
The server has not responded to your request within a specific time period limit.
505
HTTP Version Not Supported
The HTTP protocal that is being used to make a request to the server is not supported.
