Re: two private networks and a gateway

[Carlos Martinez <cmartinezlp@gmail.com>]

David Bishop escribió:
> This is undoubtedly a 'routing 101' question, but apparently I need to go back 
> to school.  I have a debian machine acting as your typical 'small email/web 
> server/nat gateway'.  The only slightly unusual thing is that I'm adding a 
> second private nework.  A local (across the street) eatery wants to add free 
> wireless and I want free meals.  We have the whole setup in place, with the 
> extra nic installed, the wireless can in place, and it works.  However, I 
> *don't* want traffic from 192.168.1.x (the cafe) to be routed to 10.0.0.x (my 
> lan), just out through my broadband connection.  How do I do that?  
>
> Thanks!
>
> David
>   

iptables -A FORWARD -i $WIFILANETH -o $LANETH -j DROP
iptables -A FORWARD -o $WIFILANETH -i $LANETH -j DROP

man iptables.