On 4/19/05, Tusar Nayak <[EMAIL PROTECTED]> wrote:
> I was wondering if we can set up a user based (authenticated) firewall
> system on linux using opensource and free software?

Yes you can.

> The requirement is as below:
> 
> 1. A system (has external IP assigned by another firewall using NAT)
> 2. An user authenticates by connecting to that external IP (either http or 
> ftp).
> 3. Only after authentication the firewall allows the IP of the user to
> connect to any port
> 4. I want the firewall to reside on the systsem itself.

Look at a Linux box with iptables, transparent proxy and squid with
authentication.

Thaths
-- 
   "Good things don't end in -eum; they end in -mania or -teria"
                                   -- Homer J. Simpson


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