My server-client system, all of which is written in winsock, works perfectly on my own computer, but when I try to test it by having friends run the clients on their remote machines, it doesn''t work. I have figured out the problem, and it is related to my computer being behind a router. Now when I check my IP address using IP config my computer thinks it is of a certain IP address of course. However, when I check my IP address via a web cgi script it gives me the IP address of the main computer directly connected to the DSL line (where mine is connected via the router). So I am guessing that the IP address I get via IP config has nothing to do with the actual internet and is just with respect to the local network in my house. However, when I use the IP address of the main computer, the server does not work at all, and yet somehow the client needs to send his information through that IP. I have no idea what to do, will I eventually just have to serve off a computer directly connected to the internet?

You will have to port forward via your router... So that way anytime a client tries to access your outside network IP with that port it knows to send it to the secondary computer...

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RanBlade
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ah ok, so typically most routers come with software that allows to configure port settings? I suppose I will have to figure out where it is.

The software should be in the router hardware. You can access the router via your web browser (usually address 192.168.1.1) and there''s a good chance you can use a web-based configuration scheme. If all else fails, you can Telnet your router and configure everything in a text-based environment. You''ll have to know the manufacture password though, which varies from brand to brand. Consult the manual

How to host behind a router without port forwarding.