Well, we see the finish line :-) We've got a connection to the access
concentrator, so we can already surf the net on the SEGA Dreamcast
gaming console. But for our aim to share an internet connection, we
have to compile some other source packages to determine, which host
may send which packets to the internet and vice versa, and for
offering network address translation (NAT), known as MASQUERADING.
So, the next chapter introduces iptables, the new routing
and firewall generation for Linux kernels 2.4.x.