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by system33- 3163 days ago
Tor Browser isolates cookies and other browser state into buckets based on URL bar domains.
1 comments
jerheinze 3163 days ago
... i.e. first party isolation, one can read more about it on the Tor Browser design document: https://www.torproject.org/projects/torbrowser/design/
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milofeynman 3163 days ago
How can I get first party isolation in regular chrome or firefox? That is exactly what I've been imagining/wanting since Firefox announced their new container prototype.
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jerheinze 3163 days ago
Thankfully Mozilla works with the Tor Project so that Tor Browser patches to Firefox get uplifted to mainline Firefox, you can read more about those efforts here: https://wiki.mozilla.org/Security/Tor_Uplift And the Tor Uplift tracker: https://torpat.ch/uplift

In this case the relevant preference is privacy.firstparty.isolate = true. Another worth pointing out pref is privacy.resistFingerprinting = true.

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milofeynman 3163 days ago
Thank you. I am excited for all the ways this is going to break the web for me, but this is exactly what I wanted. Maybe someday this will be on by default for everyone. Can you imagine?
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the8472 3163 days ago
In firefox: about:config -> privacy.firstparty.isolate = true

Note that containers provide similar functionality but in a less rigid manner. On the other hand first party isolation has the advantage that it also applies on navigation within a single tab while containers are fixed within a single tab. Currently neither is a superset of the other. If bug 1323873 [0] gets implemented then containers + some scripting by extensions could act as a superset of first party isolation.

[0] https://bugzilla.mozilla.org/show_bug.cgi?id=1323873

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