On August 31, 2004 09:01 pm, Ajen Diwakar wrote: > Hi All > > I am new to IPTABLES usage. I have linux(RH) 9.0. > The external IP address eth1 is 202.62.x.x > The internal ip address is 10.0.0.4 > > My mail server IP address is 10.0.0.10 > > How do I setup my iptables so that the mail to my record get transfred > to the mail server. > > Any assistance will be appreciated. iptables -t nat -A PREROUTING -p TCP -i {internet device} -d 202.62.x.x \ --dport 25 -j DNAT -to 10.0.0.10 iptables -A FORWARD -p TCP -i {internet device} -d 10.0.0.10 --dport 25 \ -j ACCEPT (assuming FORWARD -P DROP ) Alistair Tonner