You might try loading a copy of Webmim onto your linux box, there is a Firewall module that will make changing and setting up the routing very easy and quick to understand... www.webmim.com webmin-1.360-1.noarch.rpm There is a simple RPM install that works with Centos... john Dave wrote: > Hello, > I'm setting up a centos5 router for a friend. It will direct > traffic to an internal webserver, already in place, as well as run > squid proxy. It should do nat and have a firewall with iptables. I've > set up routers before for this purpose but always of the bsd type and > using their firewalls. I understand the concepts, nat, packet > filtering, etc. but i'm not getting iptales at all. If anyone is an > expert on this i'd appreciate hearing from you. I have what are > probably basic questions, i've read the docs, but i am lost. > Thanks. > Dave. > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > >