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PowerShell Proxy Configuration for Internet Access - How to Fix Cloudflare 522 Error After Changing DNS-How to Kill a Process Using a Port in CMD

Updated 2026-06-14 03:55:59macos-help
PowerShell Proxy Configuration for Internet Access - How to Fix Cloudflare 522 Error After Changing DNS-How to Kill a Process Using a Port in CMD
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.