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Instead of defining individual cookies in the "Cookie Removal" section, define the domains in the "Cookie Definitions" section. Here's an example that I use in testing:
Issuing Domain: ".twitter.com .facebook.com .google.com"
Cookie Name: "Social Sharing"
Description: "Allowing this type of cookie will enable use of social sharing links within articles."
Access Level: whatever access level you created for this type of cookie.
Prerequisites: You must have created an access level for this type of cookie, and you must have assigned the plugins/modules that set these cookies to that access level.