Hi, people Is there a linux/unix solution to implement Internet access control based on user accounts from an LDAP directory? I know squid will do that for web access, but I'm interested in a solution that allows me to control internet access by protocol and by user, not just for HTTP. For example, I must be able to set it up so that members of group A can access MSN, HTTP and POP3, while users C and D can access SMTP, POP3 and FTP and members of group X can access HTTP and some internal applications which use ports 5021, 7045 and 8015. In other words, something like what MS ISA Server does for Windows clients. Is there a way to implement this for linux clients? Thanks, Marcelo