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Fix Nginx Upstream Connection Refused Error - Fix Nginx 502 Bad Gateway: Upstream Connection Refused-How to Fix Git SSL Certificate Error on Windows, Mac, Linux

Updated 2026-07-28 04:58:12security-tools
Fix Nginx Upstream Connection Refused Error - Fix Nginx 502 Bad Gateway: Upstream Connection Refused-How to Fix Git SSL Certificate Error on Windows, Mac, Linux
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.

More repair notes

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