Tests if machines respond on port 80

port80test

$machines = get-content "machinescsv.txt" #assumes machine names are each on a new line

$fileToLogTo = "logOfIIS.txt" #this is where we'll log machines that respond

set-content $fileToLogTo $null #reset the contents of the file to nothing

$machines | ForEach-Object { #for each machine that we have
    
    $socket = (new-object Net.Sockets.TcpClient) #reach into .net and make a TcpClient
    try {
        $socket.Connect($_, 80) #attempt to connect
        Add-Content $fileToLogTo ($_ + "`n") #write to log file
        Write-Host "Open Port on" $_ -BackgroundColor Green #post to console
    }
    catch [System.Exception] {
        Write-Host "Failed:" $_ -BackgroundColor Red # no iis found!
    }
    finally {
        $socket.Dispose() #cleanup, close socket, etc.
    }
}