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Be careful, your understanding of incognito mode in Firefox may be wrong and that could be costing you (discuss.tchncs.de)

submitted 1 year ago by cy_narrator@discuss.tchncs.de to c/firefox@lemmy.ml

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All the incognito browser windows share the same "session" in Firefox. So say you open an Incognito window to browse Facebook or something, then you open another Incognito window, this new incognito window is linked to the previous incognito window, meaning you are logged into Facebook at that new Incognito window as well. This is because, as I explained before, all the incognito windows share the same "session"

The only way to clear incognito window is to close ALL of them and then create a new incognito window. You dont have to close the main non incognito Firefox window though, just close all the incognito windows. Then open a new one, now your previous session is destroyed and you are new again.

You may know it but its not that common knowledge as it should have been

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[–] BananaTrifleViolin@kbin.social 12 points 1 year ago* (last edited 1 year ago)

This is incorrect, I've just tested it myself. You have one private Icognito session in Firefox at a time, and all new windows are in that session. The Icognito session resets once all the private windows are closed.

I logged in to Kbin in one private window, then opened a new private window from my main firefox window and when i navigated to Kbin I was logged in. I closed all the private windows and then opened a new private window and I was no longer logged in.

This is the same in Chrome, I did the same test and had the same results.

Tl;dr: Incognito windows and tabs are not separate sessions. You must close all Icognito sessions to get a new cleared session.