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Fixing Git Authentication Failed in VS Code - Renew an Expired Cloudflare Origin Certificate: Step-by-Step-How to Fix Nginx 'Upstream Connection Refused' Error

Updated 2026-07-28 15:00:35developer-tools
Fixing Git Authentication Failed in VS Code - Renew an Expired Cloudflare Origin Certificate: Step-by-Step-How to Fix Nginx 'Upstream Connection Refused' Error
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.