511
Network Authentication Required
Server ErrorThe client needs to authenticate to gain network access (e.g. captive portals).
Category: 5xx Server Errors Standard: RFC 6585
What is 511 Network Authentication Required?
HTTP 511 Network Authentication Required is a 5xx status code. The client needs to authenticate to gain network access (e.g. captive portals).
Client Request
Server
Server Error
Common Causes
An unhandled error or bug on the server
An overloaded, misconfigured or unavailable backend
A failing upstream service, gateway or dependency
Infrastructure or deployment problems
Ask AI Mentor about 511 Network Authentication Required
Get instant help and explanation