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For the last several weeks, one of my computers when it updated to the new settings menu (version 156ish?), it has lost the ability to maintain some of the synced profile settings. For example, I have a couple websites that I list in the exceptions to not have Firefox clear the cookies, and I additionally have the clear cookies and site data check box enabled so that every other website I visit clears upon exiting. This is the setting combination I have utilized for years to keep the cookies from only 2 websites and clear out everything else.

On one of my computers, I'm able to add the exception, and as long as I do not close Firefox, the website exception settings stick. However, as soon as I exit Firefox, and open it back up, the settings clear themselves again, and I have to manually enter the exceptions again. This is very frustrating because one of the sites that I keep the cookies on the exception list has multiple different logins saved so that I don't have to manually re-login to every time I open Firefox.

I have attempted a refresh, and that did not fix the problem. I have fully uninstalled Firefox, manually deleted the %APPDATA%\Mozilla\ folder contents, reinstalled foxfire and this too does not fix the problem.

The weirdest part of this whole issue is my laptop, does not have this problem and the exceptions are sticking so I know that this setting combo works. Additionally, I have tried unchecking the clear cookies and site data box and this too is not allowing the exceptions to stick.

I have also tried re-syncing my account to pull the settings from my laptop and this too is not working.

This experience is on Firefox 157.0.1 (64-bit), Windows 11 Pro 26H2

Thanks for your time and please advise as to how to fix.

Hi, Both my wife and I have been using both Firefox for many, many years and only realised today that I did not have an account. I have two problems, both starting at the same time, (1) every time I use my computer (now both a desktop & a ASUS 17 laptop) my current tabs I don't have my original tabs which I rely on having when I have a project running, and (2) when I start my computer I have to go through the 'ticket the squares with bicycles in" to verify I'm human. If I close Firefox and very shortly open it again I don't get the check. For the first problem I've checked the Settings and they are as I have always had then to restart tabs that were present on shutdown. For the security check I've googled an explanation/fix but most times I get a suggestion to look at some setting which I can't find anywhere. Hopefully you can answer my problems. I synced with my iPhone 15, not too sure that I had any success as the prompts didn't line up with the displayed requests. My version of Firefox is 157.0 (64-bit) running on Windows 11 Version 25H2 (OS build 26.200.9457. I have updated to latest version Thank you, KenDiment

Hi,

I am in the process of migrating between systems. I have my desktop with Firefox, I use some multi account containers, I clear cache and cookies on browser close and I have some exceptions to not clear cookies, as I want to stay logged into my accounts. It worked fine on my desktop.

Now, I tried to do the same for my laptop. I turned in account sync and add on sync, my browser settings and containers are indeed synced. But the exceptions are not synced, so I tried setting an exception for some of the sites like my desktop, logged in, closed browser, and I am not logged in anymore. Nevertheless, the exceptions are still remembered.

Some details:

   On my PC, The exceptions are both in the Browsing Data section and in the History exceptions. So I tried setting the exceptions to both on my laptop too, still no success.

   On my desktop (where it works), I don't use the "Always use private browsing mode" option, and on History->settings "Cookies and site data" are checked, and "Site settings" is not checked.

Can anyone please help me troubleshoot this? I really don't think it should be that hard, maybe as Firefox updated it became bugged or something?

Thanks in advance.

Ich benutze Firefox zum regelmäßigen Surfen im Internet. Dabei habe ich firefox so eingestellt, dass alle Cookies beim Beenden von Firefox gelöscht werden. Zu dieser regel habe einige Ausnahmen formuliert für Webseiten, deren Cookies nicht gelöscht werden sollen. Genau dies funktioniert nicht!!! Das Beibehalten von Cookies der gelisteten Ausnahmen funktioniert nur für ca. eine Woche. Danach werden die gespeicherten Cookies der Ausnahmen rotzdem gelöscht!!!!!!!!! Warum ist das so????? Beim Microsoft Browser Edge Bleiben die als Ausnahmen gespeicherten Cookies über Monate bzw. Jahre erhalten!! Warum geht das nicht bei Firefox??

It seems the default for allowing sites to store data locally is backwards (for privacy).

You should be able to set the DEFAULT to "Allow all sites to store data locally FOR THE SESSION ONLY," and then type in the sites that you would like to allow to store data locally for more than one session (or block entirely).

Is there a way to do this? There are not many sites I would like to allow permanent local data storage, so it wouldn't be such a terrible chore to type in their URLs. The opposite is true for sites I would want to allow ONLY FOR the one SESSION - that is a HUGE chore. This appears to be a privacy & security oversight - can you fix this?

When I select Photos from menu (top right bars), I get Google message that there is a problem with my cookie settings and I need to enable them. I haven't changed them.

Warum muss ich immer wieder die Surfdaten löschen damit ich die Seite meines Routers öffnen kann ? Nur dann funktioniert eigenartiger Weise mein Passwort. Es ist die Seite:http://192.168.8.1/#/home zu meinem Huawei B636 Anmeldung. Mein Firefox ist auf aktuellem Stand. Bitte um Info bzw. Abhilfe

For the last three days or so I have been haivng problems with loggin in to sites. I no longer log in automatically to my many of the sites I use, particularly those set for my home page such as IMDB.com, ebay, web.whatsapp.com etc. Everytime I restart firefox I have to log in again. This started I think wit hthe latest update 155.0.1 (my current version) installed 5th sept 26 or 155.0 installed 3 sept 26

It doesn't seem to be reading the cookies that exist. I have it configure so all cookies are cleared on exit except those in the exception list, which are those for my home page plus about 30 others I log into. There is definitely cookie data there for these sites. I hve tried everythinig but this clearly seems to be a bug. at the moment I am using Opera since the necessity to keep loggin in to every site every time is just too much.

When I am on Facebook and I am trying to post on a private group that I am a member of, it will not let me. I went t Facebook help and they suggested trying removing extensions like ad Blockers which I have done. They also suggested clearing my cache and cookies.

Hello,

in Firefox 154, it looks like there are 2 places if you want to create exceptions to clearing data when exiting.

1. In about:preferences#privacy under "Browsing data": "Exceptions - cookies and site data"

2. and in about:preferences#history: "Exceptions - clear history on shutdown"

The 1st place allows more than just an exception to clearing data on exit, it allows negative exceptions too (i.e. "block" and "session-only"), whereas the 2nd place does not have those, and is only an exception to clearing data on exit.

having both of those dialogues is pretty confusing and seems duplicative.

what are the under the hood differences between them, and which one should be preferred for exceptions to clearing data on exit?