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This repository has been archived by the owner on Jul 21, 2021. It is now read-only.

Cookies

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Saitama edited this page Jun 14, 2018 · 10 revisions

Blacklisted cookies are not prevented by uMatrix from entering your browser. However they are prevented from leaving your browser[1], which is what really matters. Not blocking cookies before they enter your browser gives you the opportunity to be informed that a site tried to use cookies, and furthermore to inspect their contents if you wish.

Once these blacklisted cookies have been accounted for by uMatrix, you can ask uMatrix to remove them from your browser if you wish so: just check the setting "Delete blocked cookies" in the Privacy tab.

[1] This is about standard HTTP Cookie header. Cookies can still be "stolen", and send to remote server by a rogue javascript in other data structures (POST request for example). This can be counteracted by blocking such rogue scripts in uMatrix and using specialized cookie-blocking extensions (#7)

uMatrix: Point and click matrix to filter net requests according to source, destination and type.

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