Displaying firewall rules with PowerShell is very easy with the Get-NetFirewallRule cmdlet. Test-NetConnection will always return 'False' for a localhost port. When the netsh command processes the command of netsh advfirewall firewall add rule name='Test Allow 12345' protocol=TCP dir=out localport=1234567 . Found inside – This time, however, you try to add a rule with an invalid port number of 1234567. Search for and modify a firewall rule in powershell using Get-NetFirewallRule/PortFilter/AddressFilter, /en-us/powershell/module/netsecurity/…, Observability is key to the future of software (and your DevOps career).
