forward traffic from port X to computer B with c# “UDP punch hole into firewall”

Question

I need to establish a tcp connection from my house computer to my office computer.

on the office there is a router where several computers are connected to. that rou

Answer 1

There is an excellent article about UDP and TCP hole punching techniques.

http://www.brynosaurus.com/pub/net/p2pnat/

However, you need a well-known rendezvous server for this hole punching technique and I don't think you want to set it up.

By the way, you will want to double-check your company's policy about having your own server in the office. For security, I don't think a company allows an employee to set his or her own server inside.