I have a problem with my Redhat firewall using iptables. This is the first Linux firewall I have built so forgive me if I sound a bit of an eejit.
I have created a small test network on our domain; the firewall sits between the two. The networks use different subnets. I have managed to configure rules to allow FTP, Telnet, and Web use, etc. both ways, but when I try to login to our domain from behind the firewall, I am told the domain cannot be found. Is this because of the different subnets and therefore different broadcast addresses?
Any help would be most appreciated.