> At this moment all the users must authenticate to access internet (NCSA > AUTH) with porn filtering, and im blocking the downloads with an external > firewall which affects all my users behind squid. > > What i need is to allow/block downloads like *.exe; .dll; .com; etc.. to > common users and allow to supervisors using their user/pass . > > -Is it possible to do that based on user/pass instead ip add? > > -Could anyone send me an acl example on how to block downloads based on file > extensions ? > > - Check the FAQ on 'Access Controls' ; you can easily combined auth based acl's with other acl types in one http_access statement. M.