Log in at the network authentication page. Access the captive portal with a browser and complete authentication.

>_/reference/http/511

5xx Server error responses

511Network Authentication Required

Network authentication required

#When does this occur?

Returned when the client needs to authenticate to gain network access. (e.g., public Wi-Fi login page)

#How to handle?

#Example

HTTP Response

HTTP/1.1 511 Network Authentication Required
Content-Type: application/json
Date: Tue, 10 Feb 2026 07:14:39 GMT

{
  "status": 511,
  "message": "Network Authentication Required"
}

#Related Status Codes

500Internal Server Error 501Not Implemented 502Bad Gateway 503Service Unavailable 504Gateway Timeout

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