You can block the cookies for third-party domains. Control tracking your activity across different sites and you can hide the referer for third-party domains. Now referer is same as hostname. you can also hide the user agents for third-party domains. Instead of original user agent SafeSquid use default user agent (Mozilla/4.0 (compatible; MSIE 5.5; Windows 98; Win 9x 4.90)).
Prerequisites
Go to Privacy Control
Go to Elevated privacy section
Ensure global section with Enabled TRUE
Ensure elevated policy with Enabled TRUE
Follow the given link for more details LINK.
For configuration follow the given LINK.
Verify login via facebook or gmail to test
Try login to (stackoverflow.com) LINK and login via Facebook account or Gmail account.
It will show you the below page