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Network Security Pen-Test
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Re: Identifying whether 2 IPs are from the same server

Subject: Re: Identifying whether 2 IPs are from the same server
Date: Fri, 25 Nov 2005 14:42:36 +0100
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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