Possible Duplicate:
Scanning A Subnet Externaly

Is it possible to scan ports on machines in a LAN, from outside that LAN?

For example, I've got machines in my LAN network and want to check them from the Internet. Is it possible?

merged by Jeff Ferland Sep 3 '12 at 3:35

This question was merged with Scanning A Subnet Externaly because it is an exact duplicate of that question.