Re: number of users accessing a wireless network



On Mon, 31 Mar 2008 15:12:33 +1100
Rich Healey <healey.rich@xxxxxxxxx> wrote:

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Kamaraju S Kusumanchi wrote:
My current network configuration is

ISP --> wireless router ---> comp1
---> comp2
---> comp3

The wireless router is wrt54g. The computers might be running Debian, M$
etc., Is it possible to figure out the number of users and IP addresses of
active connections served by the router?

thanks
raju
put them all in the same subnet (ie 192.168.0.128-255) and then nmap -sS
- -PN 192.168.0.128/25 | grep [uU][Pp]

IIUC, this will only work for machines that are listening on at least
one open port. BTW, isn't -sS the default?

Celejar
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