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Henry Bremridge wrote: > > Silly question: how do I go about checking that all my ports are closed > and my system appears invisible. In this case you want to scan from outside the router, for most people it is easiest to ask someone else to do it. Me I just login to the boxes at work and scan home, and vice versa. > Can I run nmap on my machine to check my machine? Yes, but if you have access to a box, it is far easier and more reliable to use "netstat" (as root ideally) to see what ports are in use. (e.g. 'netstat -anp | less'). - The Mailing List for the Devon & Cornwall LUG Mail majordomo@xxxxxxxxxxxxx with "unsubscribe list" in the message body to unsubscribe. FAQ: www.dcglug.org.uk/linux_adm/list-faq.html