On Tue, Apr 19, 2005 at 03:55:18PM +0800, elg3ne wrote: > Hi guys, Im new to iptables.. hope someone can help me to this. > > The situation is this, I have a webserver running on a local network machine > (192.168.1.3) & I want it to be accessible outside my network. Is it > possible? > > setup is like this: > > workstation (192.168.1.3) ---> HUB ---> server ( LIVE IP, accessible > everywhere on the net ) > > when user access the live IP ex. 10.0.0.3 can he forward to get the files on > the worstation? three line guide to "port-forwarding:" iptables -t nat -A PREROUTING -i $EXT_IF -p tcp --dport $OUTSIDE_PORT \ -j DNAT --to-destination $INSIDE_HOST_IP:$INSIDE_PORT iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A FORWARD -i $EXT_IF -p tcp --syn \ -d $INSIDE_HOST_IP --dport $INSIDE_PORT -j ACCEPT where example values for all the variables are: EXT_IF="eth0" OUTSIDE_PORT="80" INSIDE_HOST_IP="192.168.1.3" INSIDE_PORT="8080" HTH... -j -- "Peter: Lois, When I'm through with them, our kids will be so smart, they'll be able to program their own VCRs without spilling piping hot gravy all over myself." --Family Guy