[CentOS] firewall?

Fajar Priyanto wrote:
> Do this:
> 1. Make sure your Centos has two network card. One connected to
> internet, one to local lan. Make sure the Centos can already browsing
> internet.
> Example internet: eth0 192.168.1.1
> local: eth1 192.168.2.1

Just as a FYI, shorewall does support single NIC systems,
and it also supports Multiple Internet connection scenarios.

That being said, one should *never* create firewall with only one NIC! 
It is highly unsafe.

Ljubomir