Errors

When using HTTP Proxy, errors are shown in the response of the proxy server after using the service. When using SOCKS5, errors are shown by status codes when creating a connection and authenticating. All the errors can be checked on the account dashboard.

The list of HTTP errors:

400 Bad Request - CONNECT request to the proxy server was created incorrectly. 403 PORT_BLOCKED - The connection attempt is made to the blocked ports. 403 SITE_PERMANENTLY_BLOCKED - The access to the specified site has been permanently blocked. 403 HOST_BLOCKED - The access to the specified site has been blocked by user in the current plan settings. 407 NO_USER - The user’s plan doesn’t exist. 407 TRAFFIC_EXHAUSTED - The traffic limit of the plan is exceeded. 407 THREADS_EXHAUSTED - The threads limit of the plan is exceeded. 407 PORT_NOT_ALLOWED - Used sticky sessions port is not allowed by current plan settings. 407 USER_BLOCKED - The user’s current plan has been blocked. 500 INTERNAL_SERVER_ERROR - The server encountered an unexpected condition that prevented it from fulfilling the request. 502 NO_HOST_CONNECTION - There is no connection to the host specified in the CONNECT request. 503 NO_RAY - There are no proxies available based on the targeting parameters specified in the request.

The list of SOCKS5 errors:

For such errors as NO_USER, REQUESTS_EXHAUSTED, TRAFFIC_EXHAUSTED, THREADS_EXHAUSTED an unsuccessful authentication response will be returned with the Denied status when there was an attempt to connect to a proxy server For such errors as PORT_BLOCKED, NO_RAY, NO_HOST_CONNECTION authentication will be passed, after which, the proxy connection will be reset I there is an attempt of the UDP connection, the connection will be dropped.

More details relevant to the errors can be found on our blog: Proxy Errors: Types, Causes, and Solutions

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