Re: [tor-talk] Question about Circuit Separation

[some_guy123@xxxxxxxxxxxxx]

Circuit isolation should prevent the issue mentioned in your links. 

However, Tor Browser sends referrers which can link circuits that should be isolated:
https://trac.torproject.org/projects/tor/ticket/16920

Even if the referrer is fairly generic, the timestamp for visiting something plus a small amount of browser fingerprinting (the platform, some GUI configuration options, the browser window size, non-standard addons, ...) will still allow for good correlation.

Some browser actions may link different tabs:
https://trac.torproject.org/projects/tor/ticket/18272

Tor Browser may keep cookies for a long time:
https://trac.torproject.org/projects/tor/ticket/18382

These cookies can be used in conjunction with the referrer issues to crosslink unrelated tabs that opened links to the same target domain.

It's best not to rely on the circuit isolation - use separate browsers.
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