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Fix Nginx Upstream Connection Refused in Proxy Pass - How to Add a Bluetooth Device in Windows 11-Troubleshooting Nginx Config Test Permission Issues

Updated 2026-07-28 07:51:02office-tools
Fix Nginx Upstream Connection Refused in Proxy Pass - How to Add a Bluetooth Device in Windows 11-Troubleshooting Nginx Config Test Permission Issues
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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