Need help finding yet another program. This time cookie management.

Alright, this time I am looking for a program that works with firefox, what I am looking for is something that will block all cookies except ones from domains/websites I have on an allow list. Like if I just had say sevenforums.com it would accept cookies from sevenforums.com but would block any other cookie period since they are not in the safe/allow list. I checked firefox plugins and download.com for something like this and haven't been able to find one yet. So here I am asking for your help since you guys and gals always seem to know where to find this stuff.

Hmm, Not bad but I need to figure out how to set it to refuse all except sites on allow list.