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PowerShell Proxy Configuration for Internet Access - Clear DNS Cache to Fix Windows Terminal 504 Timeout-WinSCP SFTP Permission Denied: Practical Fixes

2026-06-13 19:35:44
PowerShell Proxy Configuration for Internet Access - Clear DNS Cache to Fix Windows Terminal 504 Timeout-WinSCP SFTP Permission Denied: Practical Fixes

Result check

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

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