Hi Eliezer, If the URL is the same, meaning using the same locked resolution for the same video, the deduplicated ID will be the same so it'll come from the existing Squid cache. I agree with you if the admin changes the resolution the ID will be different so it'll not be taken from the cache. Bye Fred -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/YouTube-Resolution-Locker-tp4667042p4667096.html Sent from the Squid - Users mailing list archive at Nabble.com.