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Jun 7, 2012, 20:38 #1
What tracking tool beside IP checking & cookie reading are there?
I thought that IP checking and cookie writing and then reading were the only 2 ways
for a server to keep track of a user, but apparently there is another way.
What is that?
For example, this site is able to know who I am, even though I have cleared my
Cookies and use a different IP than the original IP I used to visit it 1st.
How is that possible?
How can a site keep track of you beside IP tracking and Cookie writhing / reading?
This issue/question has really been baffling me.
Jun 9, 2012, 08:06 #2
- Join Date
- Nov 2006
- 31 Post(s)
- 1 Thread(s)
There are also the loosely termed 'supercookies' which is a technique based on multiple local data storage e.g html5 dom storage, flash local shared object, java and silverlight data caches, and also browser/OS/IP metric fingerprinting, which they use to store, retrieve and regenerate data associated with a user.
Jun 11, 2012, 14:23 #3
Jun 15, 2012, 14:29 #4
The original 'Evercookie' demo script can be found at http://samy.pl/evercookie/ (Supercookie is what the media called it)
The CSS browser history hack* portion no longer works with latest versions of Firefox & IE, visitors with older browsers are of course still vulnerable.
*Identified by MIT students over a decade ago and re-worked by Jerimiah Grossman as a means of reading a browsers entire surfing history and his blog entry is a fascinating read all by itself