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Fix Chrome Certificate Error Invalid Authority on Mac - How to Resolve Nginx 502 Upstream Timeout-Troubleshooting Cloudflare Full Strict Certificate Problems

Updated 2026-07-28 06:15:14browser-issues
Fix Chrome Certificate Error Invalid Authority on Mac - How to Resolve Nginx 502 Upstream Timeout-Troubleshooting Cloudflare Full Strict Certificate Problems
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.