Fixing NGINX Upstream Connection Refused SSL Errors - Windows 11 Setup Fails: Assistant Troubleshooting Steps-Fix ERR_CONNECTION_RESET Caused by Firewall Blocking Chrome

Updated 2026-07-28 06:34:09database-tools
Fixing NGINX Upstream Connection Refused SSL Errors - Windows 11 Setup Fails: Assistant Troubleshooting Steps-Fix ERR_CONNECTION_RESET Caused by Firewall Blocking Chrome
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.