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Re: Updated scanning techniques
From: Lennert Buytenhek <buytenh () gnu org>
Date: Sat, 9 Sep 2000 22:30:07 +0200 (CEST)

On Sat, 9 Sep 2000, Lance Spitzner wrote:

Do a quick '-sP' ping sweep.  Then, do an 'arp -a' on your system.
This will show you the MAC address for all the IP address.  Any system
that you did NOT get in your ping sweep, but you DID see in your MAC
table is most likely firewalling any packets sent to it.  Nothing
exciting, but can be helpful.

On linux, you can accomplish the same with arping(8) that comes with the
iputils package. Basically it pings a host with ARP requests.


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