Hello All! I have installed squid on my Pc, it working fine. now I want to implement ACL using PC's NIC Mac address authentication. only these users can access internet whom I have accessed as a allow and all other users deny internet access. I hope someone help me in this regards Thanks in Adv. Asghar __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com