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How to Manually Activate a Python Virtual Environment - Fix Cloudflare SSL Certificate Mismatch on Origin-Nginx 502 Bad Gateway: Connection Refused to localhost

Updated 2026-07-28 13:13:25macos-help
How to Manually Activate a Python Virtual Environment - Fix Cloudflare SSL Certificate Mismatch on Origin-Nginx 502 Bad Gateway: Connection Refused to localhost
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.