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Can I trace the device ID from IP address?

by AiyaThomas / April 17, 2013 10:27 PM PDT

Hi everyone, I need to know any way from internet to trace the network Device ID (or any information) that will indicate two different IPs are hosting on a same network device (for example, F5). Thank you.

Sorry ... Urgent !!!!

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Re: device ID
by Kees_B Forum moderator / April 17, 2013 10:35 PM PDT

Can you explain in some more detail what you want? An (hypothetical) example would be fine.

When talking http and browsers, the usual way is to put a cookie on the device. Different devices have different cookies. But so do different (Windows) accounts on the same device. And if I enter private mode, I've got a different cookie each time. That's the best don't track trick that exists.
When talking pop3 and ftp I don't think it's possible.


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device ID
by AiyaThomas / April 18, 2013 12:51 AM PDT
In reply to: Re: device ID

Thanks Kees, the situation is:

i have one web server that hosted multiple domains and connected to a F5 load balance then to internet. All domains are using a same public IP address that mapped on F5. In case I subscribed another set of IP address, and map it to one of the domain. For example, - x.x.x.x - y.y.y.y

but both (x.x.x.x , y.y.y.y) are mapped on the same F5 and both domains are hosted on the same server.

is there any way (or information) that will indicate both domains are come from the same source?

is that 100% not traceable?


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I'm going with no.
by R. Proffitt Forum moderator / April 17, 2013 10:49 PM PDT

If you look at the packets deeply you discover the MAC Address is not reliable. You would have to create some app on each device to ID them instead.

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PS. Your reply to Kees.
by R. Proffitt Forum moderator / April 18, 2013 1:00 AM PDT
In reply to: I'm going with no.

In my view has changed your question to something else. A device is a device and a web server is not usually considered a device. Using the word device in my world means exactly that. A device.

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Reply to Proffitt
by AiyaThomas / April 18, 2013 1:26 AM PDT

Sorry for my confusion. I was asking any way to trace both domains are actually connected to the same F5 load balancer. As I'm thinking that shouldn't be so easy to separate (from internet point of view) between two domains with different IPs but mapping to the same F5 load balancer.

Hope this can be clear.

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To catch up a little on this.
by R. Proffitt Forum moderator / April 18, 2013 1:31 AM PDT
In reply to: Reply to Proffitt

I went and read a few articles at F5 but your question is unclear to me. There are tools on the F5 to measure things but this appears to be some other question. Hosting multiple domains on one IP is a common thing so I won't discuss that here. Let's hope someone can figure out your question.

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Anyway, Thanks for help.
by AiyaThomas / April 18, 2013 2:10 AM PDT

I understand hosting multiple domains on one IP address is common, and actually what I'm doing right now. But just something happened, and I have to TOTALLY separate two different domains from Internet, and I doubt that it's really untraceable if I just subscribe another set of IP address for it but using the same F5 load balancer.

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Without knowing what the something is.
by R. Proffitt Forum moderator / April 18, 2013 4:24 AM PDT

Or what the goal is, all I can say is it's a little confusing.

If I was to make a wild guess, this sounds like the fellow that was hosting a religious site and a porn site. They didn't want one client to know about their other clients.

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