Fix VS Code GitHub Authentication Failed Error - Resolve Git Clone Timeout Behind Proxy-Troubleshooting Nginx Upstream Connection Issues

Updated 2026-07-28 12:13:43cloud-software
Fix VS Code GitHub Authentication Failed Error - Resolve Git Clone Timeout Behind Proxy-Troubleshooting Nginx Upstream Connection Issues
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.