400 Bad Request
The users request contains incorrect syntax.
401 Unauthorized
The requested file requires authentication (a username ?and password).
403 Forbidden
Theserverwill not allow the visitor to access the requested file. If a visitor sees this code in error, check the file's permission settings. You can also check to see whether the file has been protected via cPanel'sIndex Manager.
404 Not Found
Theservercould not find the file that the visitor requested. This error commonly occurs when aURLis mistyped.
500 Internal Server Error
This error signifies that theserverhas encountered an unexpected condition. It is a catch-all error that will be displayed when no specific information can be gathered by theserverregarding the condition. This error often occurs when an application request cannot be fulfilled due to the application being misconfigured.
501 Not Implemented
This signifies that theHTTPmethod sent by the client is not supported by theserver. It is most often caused by theserverbeing out of date. This error is very rare and generally requires that the webserverbe updated.
502 Bad Gateway
This error is usually due to improperly configuredproxyservers. However, the problem may also arise when there is poor IP communication among back-end computers, when the clients ISP is overloaded, or when a firewall is functioning improperly.
The first step in resolving the issue is to clear the clients cache. This action should result in the a differentproxybeing used to resolve the webservers content.
503 Service Unavailable
This error occurs when theserveris unable to handle requests due to a temporary overload or due to theserverbeing temporarily closed for maintenance. The error signifies that theserverwill only temporarily be down. It is possible to receive other errors in place of 503.
Contact theserveradministrator if this problem persists.
504 Gateway Timeout
This occurs when aserversomewhere along the chain does not receive a timely response from aserverfurther up the chain. The problem is caused entirely by slow communication between upstream computers.
To resolve this issue, contact the system administrator.
505 HTTP Version Not Supported
This error occurs when theserverrefuses to support theHTTPprotocol that has been specified by the client computer. It can be caused by the protocol not being specified properly by the client computer; for example, if an invalid version number has been specified.
This error will not be an issue with a current installation of cPanel.
506 Variant Also Negotiates
This error indicates that theserveris not properly configured. Please contact the system administrator to resolve this issue.
507 Insufficient Storage
This code indicates that theserveris out of free memory. It is most likely to occur when an application being requested cannot allocate the necessary system resources for it to run.
To resolve the issue, theservers hard disk may need to be cleaned of any unnecessary documents to free up more hard disk space, its memory may need to be expanded, or it may simply need to be restarted.
Please contact the system administrator for more information regarding this error message.
509 Bandwidth Limit Exceeded
This error occurs when thebandwidthlimit imposed by the system administrator has been reached. The only fix for this issue is to wait until the limit is reset in the following cycle.
Consult the system administrator for information about acquiring morebandwidth.
510 Not Extended
This error occurs when an extension attached to theHTTPrequest is not supported by the webserver.
To resolve the issue, you may need to update theserver. Please consult the system administrator for more information.
