Port Mapping WinXP ICS

zision

Member
Jan 20, 2000
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Alright, I've got two systems set up with Windows XP. I'm using Internet Connection Sharing to provide internet access to the 2nd machine. I'm trying to run a webcam program off of the 2nd system that will serve an image on demand.
My main system's IP is 192.168.0.1, client is 192.168.0.2. So I go into the properties of the shared NIC on my main system (the one connected to my cable modem), click on advanced tab, and click settings. I add another service, put 192.168.0.2 as the computer hosting the webcam program. For Internal and External ports, I use 8181 (this is what the webcam program is set to serve on). I'm not positive if I should use UDP or TCP, but I've tried both. Going into my browser and putting in http://192.168.0.2:8181 works, but putting in my cable modem's IP port 8181 doesn't. What am I doing wrong? Shouldn't it forward port 8181 to 192.168.0.2?

Sorry if this is a bit hard to explain, I did my best. I'm not that great with networking :)