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Want open tabs & order to persist between Firefox / system restarts with clear cookies & history on

Pinky

I read an article recently about 'session hijacking' and decided that every time I quit Firefox, I wanted to delete cookies & clear site data as well as browsing history.

However I wanted to know if it's possible to do that as well as all open tabs to be persist & be reopened through the quit and restart cycles (albeit logged out if it's website where I was logged in) but I can't get it to work as there appears to be a contradiction in all these options.

FF 159.0 macOS 10.15.8 Catalina (yes, ancient os I know) using the extension Tree Style Tab

I've been adding exceptions for some websites Privacy and security > Browsing data > Manage exceptions & History > Customise history > Choose what you want Firefox to remember > Advanced settings > Manage exceptions.

Home and startup > Startup > Open previous windows and tabs is checked but must be overridden by the other options.

Any advice on what settings will achieve what I want or even if it's possible? TIA

I read an article recently about 'session hijacking' and decided that every time I quit Firefox, I wanted to delete cookies & clear site data as well as browsing history. However I wanted to know if it's possible to do that ''as well as'' all open tabs to be persist & be reopened through the quit and restart cycles (albeit logged out if it's website where I was logged in) but I can't get it to work as there appears to be a contradiction in all these options. FF 159.0 macOS 10.15.8 Catalina (yes, ancient os I know) using the extension Tree Style Tab I've been adding exceptions for some websites Privacy and security > Browsing data > Manage exceptions & History > Customise history > Choose what you want Firefox to remember > Advanced settings > Manage exceptions. Home and startup > Startup > Open previous windows and tabs is checked but must be overridden by the other options. Any advice on what settings will achieve what I want or even if it's possible? TIA

Alla svar (2)

You can keep your tabs open while clearing cookies and site data, but make sure Firefox isn't set to clear browsing history in a way that removes your session data too.

I'd try enabling Open previous windows and tabs, then go to Settings → Privacy & Security → History and select Use custom settings for history. Check which data is cleared on shutdown and test with cookies and site data enabled first. Keep in mind that clearing cookies will log you out of most websites.

As far as I know, you do not need to clear history to prevent session hijacking. The bastards are exfiltrating your cookies to another computer. The cookie file contains the site name, so what is or isn't in your history doesn't matter and would just be extra data to sift through for no reason.

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