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Originally Posted by kektex
Nmap is a net/port scanner , meaning it can scan ranges of IP addresses as well as the ports open on each address.It will even give you a (very good) guess of the Operating system on that machine.
When he says distributed I`m guessing he has a bunch of computers with nmap installed on them.This would bring the scanning time down if you are scanning for a lot of IPs
I remember reading a few months ago about a project that set out to map the internet using distributed scanners.They were setting off alarms everywhere.
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Yup, called OS Fingerprinting. Basicly simultaneous scanning so you can use several systems to scan at once, all coordinated. It sets off alarms if you scan at to fast of a pace, but if you slow it down it all works well
