Router baten konfigurazioa Ubuntun

Dokumentazioa:

Ubuntu Router
http://www.shorewall.net/two-interface.htm
Routing, NAT
Iptables tutorial bat(INTERESGARRIA!!)

Bridge/Firewall (Shorewall)

fwBuilder/Bridged

Ubuntu simple gateway

Transparent Router + Proxy (squid)

Bridge konfigurazioa Debian adibide bat 

Egin beharreko konfigurazioa:

/etc/network/interfaces
…
ip_forward=yes
…

jarri behar da, edo beste aukera:

echo 1 > /proc/sys/net/ipv4/ip_forward

Adibide batean ikusia:

1. have kernel support for packet filtering and masquerading (I haven’t checked but this may be in Ubuntu’s default kernel)
2. have two ethernet interfaces configured (/etc/network/interfaces)
3. turn on forwarding (/etc/network/options: ip_forward=yes)
4. configure iptables forwarding firewall policy