question about ip addresses

ave

Distinguished
Sep 14, 2009
6
0
18,510
So a friend of mine works for an internet service provider, They have their own wifi towers, and he gets his internet at his home through them. Now they have accused him of sending info to a competitor, via their contact us form, and their supposed proof is that the competitor has a copy of the IP address that was used to access the form.
It's a complete setup. He's never seen or heard of this company, and doesn't even have access to the supposed information. The guy has a disciplinary coming up, and I'm helping him craft his defense, but I need some information on the technical side of things.
The only information that they have provided is proof of his CURRENT ip address, (not the ip address of the night in question) and the letter from the company he allegedly contacted, with the matching ip address.
So if he didn't access the website, is it possible for the ISP or someone in the company to have set him up, by fiddling the ip addresses? Am I right in saying that just because that is his current Ip address, that doesn't mean that it was his address when the incident took place?
Any information would be appreciated.
 
Solution
have him find out the mac address that linked to the ip info. if he has the name of the other compy do a little back ground check how owns it and where it is. find out there domain info. anyone today with the right software can spoof someone ip. if it was a contact form then it may have been an email sent. see if you can get all of the info of where it was sent from. most times you have to be on a work pc not a home pc to get into those forms.

Neur0nauT

Admirable
Yeah, if they are pointing a finger at him and he is indeed innocent, then he should involve a solicitor on the matter. It is highly unethical for a company to do this unless they have irrefutable evidence against him.

It sounds like they are just looking for a reason to get rid of him....but it could be damaging for his future job prospects, so he should get some legal advice and also some network professionals in on this case.
 
have him find out the mac address that linked to the ip info. if he has the name of the other compy do a little back ground check how owns it and where it is. find out there domain info. anyone today with the right software can spoof someone ip. if it was a contact form then it may have been an email sent. see if you can get all of the info of where it was sent from. most times you have to be on a work pc not a home pc to get into those forms.
 
Solution

ave

Distinguished
Sep 14, 2009
6
0
18,510
Thanks everyone. Your replies have been extremely helpful. I think you're right, now that we know which direction to take this, he needs to get an IT professional in there with him.
Thanks once again.

 

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