Hiya All, I am after a little guidance please on the following problem: My topology is as follows: inet----router 192.168.1.254-------wlan0 192.168.1.71 && eth0 192.168.70.121------ip camera 192.168.70.140:80 Note: (1) eth0 and wlan0 are on a PC running Ubuntu. (2) Port 5555 on the router is forwarded to 80 on 192.168.1.71 (2) in sysctl I have set sysctl net.ipv4.ip_forward=1 Now what I need to do is to be able to access the IP camera from the inet. So I have tried adding IPTables: iptables -t nat -A PREROUTING -i wlan0 -d 192.168.1.71 -p tcp --dport 5555 -j DNAT --to 192.168.70.140:80 Now this should allow me to access the camera by pointing a web browser to the real world public ip on port 5555, however I get page cannot be displayed. I have verified that: 1. That camera is accessable from the Ubuntu computer via web browser and ping Various people have suggsted I may need to modify conntrack and others have suggested I may need a second rule. Can anyone please help? Thanks in advance AL -- "Beat it punk!" - Clint Eastwood -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html