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gorhill / uMatrix

uMatrix: Point and click matrix to filter net requests according to source, destination and type
GNU General Public License v3.0
4.56k stars 472 forks source link

Webpage tracking using only CSS #918

Closed sebast889 closed 6 years ago

sebast889 commented 6 years ago

I came across this https://github.com/jbtronics/CrookedStyleSheets

It can track some things like fonts installed on user OS, browser resolution and if the user hovers over a link. I'm wondering if there is something uMatrix can do to protect against this without fully disallowing CSS requests.

gorhill commented 6 years ago

Block CSS.

sebast889 commented 6 years ago

Is there no other way to protect against this type of tracking without blocking CSS totally?

gorhill commented 6 years ago

Use the Tor browser.

gorhill commented 6 years ago

If you think something can be done which is well within the scope of uMatrix's purpose, please share. Closing for now.

uBlock-user commented 6 years ago

track some things like fonts installed on user OS, browser resolution

It's already being done by various fingerprinting methods, so this is not news anymore.