How should I go about doing an external PC scan of my ports (open or closed), and for vulnerabilities? Is doing the scan online from PC Flank the same as doing it using another PC? Which is better, and what will I need to connect the PCs together? I'm under the impression that all I would need is a single cable, but am unsure of what settings would be needed on each PC to ensure that they talk to one another. I would need to know the best software to accomplish this task. Could someone give a detailed answer please.