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It prompts the user to decline a site from accessing data from the Canvas API. This data can uniquely identify the user's computer. The Firefox feature is ident

It prompts the user to decline a site from accessing data from the Canvas API. This data can uniquely identify the user's computer. The Firefox feature is identical to the one from the Tor Browser. Screenshot: https://thehackernews.com/2017/10/canvas-browser-fingerprint-blocker.html https://thehackernews.com/2017/10/canvas-browser-fingerprint... https://www.torproject.org/projects/torbrowser/design/ https://www.torproject.org/projects/torbrowser/design/ (see the "HTML5 Canvas Image Extraction" section) https://gitweb.torproject.org/tor-browser.git/commit/?h=tor-browser-52.5.2esr-7.0-2&id=196354d7951a48b4e6f5309d2a8e46962fff9d5f https://gitweb.torproject.org/tor-browser.git/commit/?h=tor-... https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API

godelski 8y ago
Thanks, those look like good reads. So I see in my version of FF that it is enabled as true but I don't recall ever seeing a prompt. I would love to see a blog post about some of these features and why things are difficult.