So - basically as if I understood it correctly by testing it out and from description - This is another way of making your computer a proxy server which players can use to connect trough to another server. Works great if you ask me - easy to set up as well.
if u know how this tunnel works, can u tell pls what ip to type in there and do i need to set anything in my firewall and what kind of port to type in there, i realy need help i dont know anything about that stuff so pls help me thx