Penetration Testing: Re: Identifying whether 2 IPs are from the same server

[Joachim Schipper <j.schipper () math uu nl>]

On Thu, Nov 24, 2005 at 01:58:58PM +0000, BSK wrote:
> Hello,
>
> I am doing a Penetration Testing for 2 IP addresses.
> My findings till now for both the servers are exactly
> same. I strongly feel that both the IPs belong to the
> same machine. May be a scenario where two NICs are on
> the same machine with two Public IPs. I ran HPING to
> match their IP IDs but it shows different series for
> both of them.
>
> Is there any other technique that we can use to
> ascertain such a situation?
>
> thank you
If you can cause high system load in some way other than flooding all
the bandwidth, you could try correlating the responsiveness of interface
#2 with the amount of stuff sent to interface #1.

However, it's not impossible that you are looking at two
identically-configured servers...

                Joachim

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