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HTTP Error Response codes

Error code

Description

400 Bad Request Request did not contain a host to connect to or if there was a generic error when validating a request.
403 Forbidden Error when validating ACL for request.
407 Proxy Authentication Required Request lacks proxy authentication information, or username or password is invalid.
429 Hard limit reached Hard limit value reached, sending additional IP requests is blocked.
500 Internal Server Error Proxy server has encountered an internal error.
502 Bad Gateway Error when request proxying encountered an error.
504 Timeout A proxy server did not receive a response from the upstream server in time. Try again.
525 Exit node missing Error shown when no exit node was found to complete the request.
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