HTTP 511 Network Authentication Required
5xx – Server error
| Status code | 511 |
|---|---|
| Reason phrase | Network Authentication Required |
| Class | 5xx – Server error |
| Reference | RFC 6585 |
Frequently asked questions
What does HTTP status 511 mean?
Network access requires authentication, typical for Wi-Fi hotspots with a login page.
Is 511 an error?
Yes, a server error (5xx): the request was probably fine, but the server failed to fulfil it.
Where is HTTP 511 defined?
Status code 511 is specified in RFC 6585.