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Fix Nginx Upstream Connection Refused Socket Error - Fix 'nginx -t test failed no such file or directory' Error-Cloudflare Full Strict SSL Redirect Loop Solution

Updated 2026-07-29 00:17:05browser-issues

Fix Nginx Upstream Connection Refused Socket Error - Fix 'nginx -t test failed no such file or directory' Error-Cloudflare Full Strict SSL Redirect Loop Solution

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.