Let's say you wanted to configure routing of TCP packets based on destination port like in this example:
http://www.tldp.org/HOWTO/Adv-Routing-HOWTO/lartc.netfilter.html [which contains a series of 'ip' and 'iptables' commands to get packets destined for port 25 to use a specific gateway.] How do do this the "right" way on a Gentoo system? Based on reading http://www.gentoo.org/doc/en/home-router-howto.xml, I think I've figured out how to do the iptables part: you enter the 'iptables' commands by hand to get the iptables set up the way you want, then you do this: # /etc/init.d/iptables save # rc-update add iptables default What about the 'ip' commands required to set up the tables, routes, and rules? Do those go in a startup script somewhere? Does one just edit /etc/iproute2/rt_tables by hand? One would assume route configuration belongs in /etc/conf.d/net -- I've read through the advanced networking stuff in the handbook, but it's not apparent to me where those 'ip' command belong. -- Grant
