511

Data

{
  "classId": "5xx",
  "code": 511,
  "description": "The client needs to authenticate to gain network access, typically used by captive portals intercepting network traffic.",
  "isDeprecated": false,
  "reasonPhrase": "Network Authentication Required",
  "rfcReference": "RFC 6585"
}

History in this collection

1. addedv1.0.0Jun 12, 2026this version