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Fingerprinting and window.navigator.hardwareConcurrency vs dom.maxHardwareConcurrency

Firefox Приватност и безбедност
philipp replied пре 7 година
Miles_
Miles_

Hello,

enabling privacy.resistFingerprinting sets window.navigator.hardwareConcurrency to 2 but dom.maxHardwareConcurrency stays at 16. Doesn't that undermine the first change?

Greetings

Miles

Hello, enabling privacy.resistFingerprinting sets window.navigator.hardwareConcurrency to 2 but dom.maxHardwareConcurrency stays at 16. Doesn't that undermine the first change? Greetings Miles

Сви одговори (1)

philipp
philipp
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Одабрано решење

hi, websites can query window.navigator.hardwareConcurrency, which will return the value of 2 if fingerprinting resistance is active.

the other value is an about:config preference that can't be read by websites and sets the maximum value that might be reported to websites if fingerprinting resistance is off and your system had more than X (16) cores...