Re: Updated scanning techniques

[Lennert Buytenhek <buytenh () gnu org>]

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.


greetings,
Lennert


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