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Re: a method for bypassing cookie restrictions in web browsers

From: Kevin Fu (nospam-google-meMIT.EDU)
Date: Tue Jan 20 2004 - 10:34:09 CST


Felten and Schneider showed how to determine whether a user had
visited a given site by using web caching and timing measurements.
Although it was probabilistic, the attack allowed a third party to determine
whether a user had visited a given web site.

http://citeseer.nj.nec.com/felten00timing.html

-Kevin Fu

>This does appear to be a known way of tracking web users without
>using cookies:
>http://sourcefrog.net/projects/meantime/
>
>>
>> Any thoughts? Is the technique something new?