Submitted by affa in firefox (edited )

And it might cause some javascript not to be blocked. This is how to fix it:

CanvasBlocker:

Enable "Expert mode". Then scroll down and disable "Block data URL pages"

HTTPS Everywhere:

Don't block all unencrypted requests

It might conflict with other extensions that modifies CSP response header too. Don't know how to fix compatibility with other extensions.

Test if its working:

Go to a site like https://www.deviceinfo.me/

If it shows a ton of information (like mouse movement) its not working. If it shows very little (like IP Address, Country, Latitude & Longitude and just a few other things), its probably working.

More information:

https://github.com/ghacksuserjs/ghacks-user.js/issues/497#issuecomment-419880964

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NAB wrote

please, do not use ublock, use uBlock origin. uBlock has had a sketchy past.

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affa OP wrote (edited )

Oh, I actually meant uMatrix, sorry! I've edited the original post now.

I guess writing when half asleep is a bad idea.

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quandyalaterreux wrote

CanvasBlocker is unnecessary if you have privacy.resistFingerprinting enabled.

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