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How do I prevent my cookie exception list from being programmatically amended?
I have Firefox set to never accept cookies, and I have an Exception list that specifically allows cookies from sites of my choice. Trouble is, this exception list is somehow being expanded with sites that I haven't included, and in some cases, sites that I've specifically blocked. For example, I have explicitly blocked cookies from Google. Yet, when I check the list, I find both the rule I entered blocking Google, and a new rule that I didn't enter specifying that Google may drop cookies for First Party Only.
Question: Who (besides me, the user) is allowed to expand the Exception list, and why? Seems to me this makes the promise of the list nearly worthless.
I'm running Firefox 33.1.1.
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All Replies (3)
That is likely done by one of your extensions (? DoNotTrackMe).
Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
- Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
- Do NOT click the Reset button on the Safe Mode start window
Yes. It was an extension, though not DoNotTrackMe. I couldn't quite make Safe Mode work reliably, so I worked my way down my list of extensions, selectively deactivating them one by one, until I found the culprit. Thanks for the lightning-quick response!