That wont work. That's the assigned IP address of the computer through the router.
You need to forward ports on the router (anyway) and tell the router to connect to that address. (by the way, the IP address of the router is 192.168.1.1, based on that IP)
Wilson, it isn't a game issue, since he can't make a server for any game.
The IP address you found (67.48.107.84) is the IP people should connect to (it shouldn't change. Since, most ISPs will assign IP addresses to accounts. I mean ... this is how people can track you through IP addresses.)
Anyway, tell them to connect to that IP. That's the IP for your connection (your entire network). You'll need to then go into your router configuration, forward the ports needed for whatever game, and direct them to your computer on the network by router-assigned-IP address (192.168.1.101) The "27015" is a game code, I believe.
On the specifics (please don't take a picture, the information will be on the underside of the router) of configuring the router, you'll have to check a manual (should be under something like Virtual Servers)
But, you need to do both ... I've never gotten a game to work without directing it over my network. :smile: (In fact, even then, Lucas games refuse to allow me to host :sad: )
My router actually has some older games PORTs pre-recorded. Nothing newer than like HL1 or Everquest though.
[EDIT]
I forgot, there's another way. However, it would leave your computer outside the hardware firewall on the router. But, I'm pretty sure all your games would work without needing to know the ports to forward.
Go into the router settings (if I'm right you should be able to just click this link
here) Goto an area called "DMZ", which should be under the firewall catagory. Put your computer's IP in the area that allows you to 'define' a DMZ computer. (Make sure it's enabled, if the option is there)
You can find your computer's IP by going Start >> Run >> cmd >> ipconfig /all (Just a reminder)
Just one more thing: This is a last resort. Don't do this unless you can't get the forwarding to work ... (and I mean, you need to have everything correct and it still not work, then try this ...) Even then ... make sure you really need the server, because there is 0 protection in this method.
I'm pretty sure even though your computer is wireless it should act the same.
Blame it on Microsoft, God does.