angico, on 02/26/2007 05:45 PM [GMT+500], wrote : > hi, everybody! > i have a problem that you may help to solve, surely. > i have a server (a) connected to the internet via eth0/ppp0 (adsl). > another computer (b) is connected to this server thru eth1, and it should reach the internet via the server which is its gateway. and so it did!... up to a month ago. > i think nothing's changed. all i did was a re-installing of my gentoo based system on the server, due to problems on the hard-disk. but firewall rules (iptables) remain the same. and the netted computer can't reach the internet anymore! > things got exquisite because: > Try this rule on your gateway.. iptables -A POSTROUTING -t nat -o ppp0 -j MASQUERADE Thanks