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A comment on Undeletable Cookies.

Re:Undeletable Cookies by ynniv on Tuesday August 16, 2011 @11:50AM (#2891636)
ETag and cache based cookies are old news. I assume that Schneier didn't notice these components last time he reported on evercookie.

[ http://google.com/search?q=evercookie ]

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Re:Undeletable Cookies by nikcub on Wednesday August 17, 2011 @12:25AM (#2894090)
It is a lot older than evercookie. I remember porn affiliate scripts that were using ETag back in 01-02. It is a well known method, as is using Last-Modified.
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