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How to Fix Nginx Upstream Connection Refused on Port 80 - What Git Merge Conflict Markers Mean and How to Fix Them-Reset Network Settings in Windows 11 Using Netsh Commands

Updated 2026-07-28 07:21:29office-tools

How to Fix Nginx Upstream Connection Refused on Port 80 - What Git Merge Conflict Markers Mean and How to Fix Them-Reset Network Settings in Windows 11 Using Netsh Commands

Likely symptom

Likely cause

Safe rollback

Verification route

Repeat the original action, not only a simplified test case.
Restart the app or reload the service after configuration changes.