Only if these systems are running kernel version 2.2, the 2.4 NAT system has been rewritten and is not vulnerable. On Friday 26 September 2003 04:55 am, Lucio wrote: > > This also applies to Linux NAT gateways. > > I'm rellay not an expert in building a firewall with a Linux box, but > I've tried twice and now I have two customers happy of their > unexpensive Linux based firewall. These firewalls offer also NAT > functionality to the respective LANs they protect and use iptables > rules with stateful inspection to filter the packets. Both customers > have a DNS in between the linux firewall and the ISP's router. Are they > vulnerable to any of those attacks?
