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I tried to do my best figuring out what this cunning new method is, but the article seems to have no information. Is it just that it's using my browser's ETags
by pavpanchekha 15y ago
I tried to do my best figuring out what this cunning new method is, but the article seems to have no information. Is it just that it's using my browser's ETags cache?
Also, what's with referring to ETags as a "theoretical technique never before seen in the wild"? It's pretty friggin standard.
- rjbond3rd 15y agoThe trick is the server generates a unique Etag for each visitor. Then the visitor's browser sends the Etag back to the server (in an "If-None-Match" header), and thus it acts as a quasi-cookie.
- Groxx 15y agoThat's the picture I get too, but I don't see how clearing the cache doesn't, you know, clear the cache. It would seem to imply that if the Etag is still around, it's not really cleared - maybe the data is gone, but the knowledge that the data existed isn't. And it persists through privacy-mode. Which means I/we am/are either misunderstanding something, or the people who designed privacy and cache-clearing tools had a massive blind-spot.
- rjbond3rd 15y agoThere are many other techniques employed. As soon as one of the techniques works, it re-populates the others. (Cache clearing doesn't affect Flash cookies [LSO's]).
- robtoo 15y agoCache clearing doesn't affect Flash cookies [LSO's] This is coming soon to a Chrome near you: http://blog.chromium.org/2011/04/providing-transparency-and-controls-for.html http://blog.chromium.org/2011/04/providing-transparency-and-... Presumably other browsers will follow.
- khuey 15y agoIt's already shipping in some: http://blog.sidstamm.com/2011/05/clearing-flash-cookies-using-firefox.html http://blog.sidstamm.com/2011/05/clearing-flash-cookies-usin...