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Fix Nginx Upstream Connection Refused Error - Reset Network Settings in Windows 11 Using Netsh Commands-Enable Windows Defender Real-Time Protection via Group Policy

2026-07-28 23:02:06
Fix Nginx Upstream Connection Refused Error - Reset Network Settings in Windows 11 Using Netsh Commands-Enable Windows Defender Real-Time Protection via Group Policy

Result check

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

Next references

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