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by fractalcat
5433 days ago
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Title is misleading. I routinely 'dodge' this - all it takes is disabling caching. If you understand how caching works, it's trivial to conclude that it's possible to use etags for tracking. It's the same with the CSS-based browser history attack - if your browser is storing data, and it's possible for a server to tell you're storing it, it can be used to track you. |
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