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Scanning through SOCKS
From: "testic" <testic () testic demon co uk>
Date: Mon, 27 Oct 2003 16:53:07 -0000

Hi all,

I have recently discovered a user using a SOCKS 4 proxy server on my
network. After a bit of packet monitoring at the networks gateway I estimate
that there are roughly six machines on a private network connecting to this
proxy. I have managed to connect to this proxy server and can use it to
access other resources on the internet, so theoretically I could also
connect to the internal network through the same proxy. I was wondering
would there be any way of using Nmap to scan the network through the proxy
to find out what machines are behind it? Also, I dont what what IP address
space this person is using, is there any way of determining this? Ideally I
would like as much information as I can gain regarding exactly what machines
are running through the proxy so I know exactly what is going on before I
close the proxy down (it is against company policy/user agreements).

Any suggestions? As far as I can see Nmap doesnt have any SOCKS capabilites,
although I may have overlooked them. I use Nmap-3.48.

Thanks,

testic



http://www.testic.co.uk


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