HTTP 511 Network Authentication Required
Server ErrorThe client needs to authenticate to gain network access. Typically generated by intercepting proxies like captive portals.
Common Causes
- Captive portal requiring Wi-Fi login
- Network firewall requiring authentication
- Corporate proxy requiring sign-in
How to Fix
- Open a browser and complete the captive portal login
- Authenticate with the network proxy
- Contact your network administrator
Related Status Codes
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