finding out what devices got an ip from the dhcp ?

[Chuck Swiger]

On Dec 4, 2006, at 12:18 PM, Beni wrote:
> Is there an easy and fast way to find out what computers got an ip  
> from the
> dhcp daemon running on my Linksys WAG54G ?
>
> I know I can log onto the adsl gateway and check it via the  
> webinterface and
> see in realtime how many addresses are distributed to what pc- 
> names, but
> there i have no history and i was hoping there were other ways of  
> checking
> this out.
>
> I'm not at all paranoid but i would like to check who's on my (wpa- 
> protected)
> wireless lan...

Install a port-scanner like nmap, and scan the DHCP-managed subnet.   
I suppose you could use plain old ping, too, but nmap will identify  
the OS and hardware manufacturer of the NIC (although I'm not sure it  
knows how to recognize the MACs of wireless cards)...

-- 
-Chuck