Fix Nginx Upstream Connection Refused in Proxy Pass - Fix Cloudflare 522 Error: Increase Timeout Settings-Resolve Permission Denied During Git Merge

Updated 2026-07-28 13:05:45cloud-software
Fix Nginx Upstream Connection Refused in Proxy Pass - Fix Cloudflare 522 Error: Increase Timeout Settings-Resolve Permission Denied During Git Merge
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.