Through a router? If you want it through a router
type this in the address bar in IE
192.168.1.1
Then it will ask you for a user/pass. If you have one enter it. If you dont have a user/pass dont worry just leave the user name blank and type in admin as the password. Go to port forwarding and open up port 80 on the udp and tcp. And have it use your network IP addy.