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Fixing Nginx Upstream Connection Refused and Permission Denied - Resolve Cloudflare SSL Full Strict Origin Errors-How to Stop Antivirus Blocking Windows 11 Installation

Updated 2026-07-28 09:42:42macos-help

Fixing Nginx Upstream Connection Refused and Permission Denied - Resolve Cloudflare SSL Full Strict Origin Errors-How to Stop Antivirus Blocking Windows 11 Installation

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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