On Fri, Sep 12, 2003 at 06:02:06PM +1000, Rajkumar wrote: > Can anybody help me how to build a firewall on a debian system.i want to > implement a firewall and a system which will let me know about how to > find out who is using how much bandwidth which will be by finding on the > basis of the ip address.
Netfilter (Linux filtering) supports byte and packet counters. Just add adequate rules. Or, you can use ipac-ng. Just "apt-get install ipac-ng" and read doc.
