Assume I have an successful working in-house LAN with a router which works as well as gateway to the internet.
Now I want to test how a client on my local computer works with a server on my local computer.
When I connect both directly on my machine then everything works fine.
However I want to find out if they cooperate as well if they are connected through the Internet.
In such a case possible difficulties regarding Firewall, NAT port forwarding, DNS lookup
and others would be detected.
How can a simulate such an routing over the Internet? How can I force my local computer
not to take the easy, direct way but to redirect all TCP/IP packets through the internet?
Using a Proy somewhere in the world would not work because proxies do only work for port 80
and http protocol.
How can I achieve a similar routing for lets say communication over port 3456?
Ken
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