Fix Nginx Configuration Test Failure from Rewrite Rules - Chrome Sync Not Working After Clearing Cache: Fixes-Resolve ERR_CONNECTION_RESET in Chrome Following Router Restart

Updated 2026-07-28 11:27:54backup-recovery
Fix Nginx Configuration Test Failure from Rewrite Rules - Chrome Sync Not Working After Clearing Cache: Fixes-Resolve ERR_CONNECTION_RESET in Chrome Following Router Restart
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.