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How do sites know that I have already used a trial?

post #1 of 4
Thread Starter 
Hello overclockers,

I just had a questions regarding trials on websites.
There's this one website called www.newsxs.nl, I used a 14 day free-trial there and afterwards I figured I would start
a new trial (on a different email), seeing as I haven't got the money to spend at the moment.
The odd thing is, even if I change my IP it still knows I used the trial.

I'm not asking how to bypass their method, I'm just curious how they still know it is in fact my PC that's trying to subscribe?

Hope to hear from you guys,

Choco.
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post #2 of 4
The site most likely tracks your external IP address, the one that identifies you to your ISP. I assume you changed your internal IP address, since I don't know if it is even possible to change your external IP without having your ISP do it changing it for you... If you use a different internet connection you might get around it, just saying wink.gif
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post #3 of 4
Thread Starter 
What about proxies? They change your external IP? Like the TorNet?
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post #4 of 4
Quote:
Originally Posted by ChocoCake View Post

I'm not asking how to bypass their method

Lies.

A lot of sites will install a cookie or similar and then track your PC through one/multiple external IPs. Therefore, if you don't remove this piece of information and then attempt to connect from another address, they'll identify you by a UUID and then add that association to the WAN IP you were using as a known address. OCN has a similar mechanism.
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