Comprobar de forma indefinida si está abierto un puerto UDP | Operating systems, scripting, PowerShell and security

PowerShell, Red

while(1)
{
Get-NetUDPEndpoint | Select-Object LocalAddress,LocalPort | Where-Object {$_.LocalPort -eq "5353"}
Start-Sleep -Seconds 5
clear
}

while(1)

{

Get-NetUDPEndpoint | Select-Object LocalAddress,LocalPort | Where-Object {$_.LocalPort -eq "5353"}

Start-Sleep -Seconds 5

clear

}

Comprobar de forma indefinida si está abierto un puerto UDP (Red, PowerShell)