PowerShell script that proves a declared list of firewall paths is open: probes each source, target and port once, returns a pass/fail matrix and HTML, CSV and JSON reports, and exits non-zero when a required path fails.
windows tcp powershell udp firewall change-management active-directory sysadmin powershell-script firewall-rules port-check network-validation network-testing test-netconnection cutover connectivity-testing
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Updated
Oct 12, 2026 - PowerShell