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Windows 7: Firefox leaking cookies?

05 Aug 2016   #1
msalton1

windows 7 Pro 64 Bit
 
 
Firefox leaking cookies?

I'm using FF 47. I refuse all cookies except for those I add to the FF whitelist. I also use the self-destructing cookies add on. I also use the Better Privacy add on and destroy all LSO cookies on exit (except for FP settings).

This has always worked well, but lately, CCleaner has been showing cookies that aren't whitelisted. In fact, I can go into the FF whitelist and specifically blacklist these cookies and they still appear. And they don't get removed when I close the browser.This doesn't seem to confine itself to any particular site. Cookies from some some sites not on the whitelist are accepted and some are not.

It's very inconsistent. Has anyone had these type of issues?

Thanks!

Edit: These coolies show up in CCleaner after FF closes, but they don't show up in the FF's 'Show Cookies' list. So maybe it's CCleaner?


My System SpecsSystem Spec
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05 Aug 2016   #2
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

I use Self Destructing Cookies and was using Better Privacy but unless you've got the latest version of Better Privacy - it dowsn't work. Anyway I ditched Better Privacy and now use this for LSO cookies:

Click&Clean | Add-on for Firefox

Plus DOM Storage is disabled and cookie settings are set to reject third party cookies and clear when browser closes.
My System SpecsSystem Spec
05 Aug 2016   #3
msalton1

windows 7 Pro 64 Bit
 
 

Thanks for your comments.
I am running the latest version of BP, but I have FF setting to accept cookies turned off, and whitelist the cookies I choose.

I'm not seeing non-whitelisted cookies in FF\options\privacy|show cookies, so maybe it's CCleaner showing cookies that asked to be set? It shows these non whitelisted cookies in the 'Cookies on Computer' list under options\cookies.
My System SpecsSystem Spec
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06 Aug 2016   #4
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

You can try this add on:

https://addons.mozilla.org/en-US/fir...ie-controller/

With these settings:
Firefox leaking cookies?-cookie-controller.jpg


My System SpecsSystem Spec
06 Aug 2016   #5
msalton1

windows 7 Pro 64 Bit
 
 

The cookies don't show up in CCleaner until after I close FF. One cookie that showed up was from safelitedotcom (I was pricing windshields a few days ago). They are not in my whitelist, so I've been using that site to try to track down the problem.

I used SQLite Manager to view cookies.sqlite. The cookies showing up in CCleaner aren't listed there. So I used Windows Search to search for safelite. It comes up with 3 files (profile name and partition redacted):

Firefox leaking cookies?-ffcookies.jpg

So it seems that they are a part of FF, but probably not readable by sites? I don't remember seeing this before. Can you tell me anything about why FF stores non-white liesed (and even black listed) cookie information in these files?

Using CCleaner to delete them removes all the found files (in W Search) except for previous.js, which falls off the list when I restart FF. So I guess it's some sort of FF recovery process? But why with black listed cookies?
Again, thanks.


My System SpecsSystem Spec
06 Aug 2016   #6
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

RE: recovery.js previous.js and SiteSecurityServiceState.txt

recovery.js: remembers the windows and tabs in your currently live Firefox session. (or, if Firefox is closed, your last session)

previous.js: remembers the windows and tabs in your last Firefox session.

SiteSecurityServiceState.txt see here: How to prevent HSTS tracking in Firefox - gHacks Tech News

On my machine the first two files listed do not exist. The third one "SiteSecurityServiceState.txt"exists but remains empty. I'll see if I can work out why. I know that I've always tried to configure Firefox for maximum privacy where possible and have applied many tweaks over the years.

You can try tweaking the preferences shown in the following screenshots but make a note of your current settings so that you can restore them.
Firefox leaking cookies?-configfox-1.jpg
Firefox leaking cookies?-configfox-2.jpg


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