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Fix Chrome ERR_CONNECTION_RESET Caused by VPN - How to Fix Nginx Upstream Connection Refused-Resolve Nginx 502 Bad Gateway for Docker Containers

Updated 2026-07-28 11:05:35browser-issues
Fix Chrome ERR_CONNECTION_RESET Caused by VPN - How to Fix Nginx Upstream Connection Refused-Resolve Nginx 502 Bad Gateway for Docker Containers
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

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