On Mon, Mar 18, 2002 at 10:20:46AM -0600, Thomas Cook did this all over the keyboard: > Lets say my external ip is 1.2.3.4. So someone on the internet plugs > 1.2.3.4 in their browser. The browser contacts my firewall's external > interface asking for connect on port 80. How do I tell my firewall to > direct that www request to 1.2.3.4 into a request to 10.10.0.10 port 80 (my > apache server)?
# iptables -t nat -A PREROUTING -i <ext.dev> -p tcp -d 1.2.3.4 --dport 80 \
-j DNAT --to-destination 10.10.0.10:80
...would do the trick
http://netfilter.samba.org/ or 'man iptables' for more detailed info.
peace
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