eBay, for one, has been (was?) fingerprinting users like this for years. https://security.stackexchange.com/questions/232345/ebay-web-site-tries-to-connect-to

eBay, for one, has been (was?) fingerprinting users like this for years. https://security.stackexchange.com/questions/232345/ebay-web-site-tries-to-connect-to-wss-localhostxxxxx-is-this-legit-or-they https://security.stackexchange.com/questions/232345/ebay-web...