[CentOS] layer 8 / user level firewall on linux?

Tue Oct 13 12:16:58 UTC 2009
John Doe <jdmls at yahoo.com>

From: Rudi Ahlers <Rudi at SoftDux.com>
> Does anyone know of a Linux firewall that offers layer 8 firewall /
> user level firewalling? Cyberoam
> (http://www.cyberoam.com/firewall.html) has a layer 8 firewall built
> into their UTM firewalls, and while it's a great product I find it a
> bit limited for what I want.
> 
> I basically want to track which user access what on the internet, from
> an internal network. Ideally I want to limit access to certain objects
> (i.e. websites, by URL / keyword / type, FTP, skype, MSN, etc) for
> certain users as well.

Maybe use squid with authentication and acls...?
And caching as a bonus...

JD