Hi, i have following question regarding user authentication in squid, let say i have this scenario - there is user with username "bobby", he has 3 different device ( ipad, laptop and smartphone) - bobby register the device to IT dept ( register the mac address ) - IT support register mac address to the system and told the system if this 3 mac address is belong to user bobby, and setup an internet policy for him - bobby browse the internet using his device - system detect there is connection with registered mac address, then system do mac address look up, and find out this mac address is belong to user bobby - system arrange internet policy, which site category is allowed to user bobby - bobby then surf the net with only allowe category site my question is, can it done with squid+squidguard? the point is how to told squid to do automatic user authentication via mac address Thanks, Bambang