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How to Fix Nginx Upstream Connection Refused on Port 80 - Fix Nginx 'Permission Denied' Upstream Errors-Edge Sync Not Syncing After Update Fix

2026-07-28 07:01:24
How to Fix Nginx Upstream Connection Refused on Port 80 - Fix Nginx 'Permission Denied' Upstream Errors-Edge Sync Not Syncing After Update Fix

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.