function testport
 {
    param
    (

        [Parameter(Mandatory = $True)]
        [string]$hostname,
        [string]$port,
        [string]$timeout

    )

    $requestcallback = $null
    $state = $null

    try {
            $client = New-Object System.Net.Sockets.TcpClient

            $client.BeginConnect($hostname,$port,$requestCallback,$state)

            Start-Sleep -milli $timeOut

    if ($client.Connected)
    {
         $open = $true
    }

    else
    {
        $open = $false
    }


       }

    catch {

        write-host "Error connecting to socket!"
    }


    $client.Close()

    return $open

}