Really, how about actually reading the instructions..
QUOTE (http://cncnet.cnc-comm.com/?page=setup-hosting)
To host a game simply enter the games LAN menu and create a game!
"CnCNet simply makes the C&C 
network lobby read external IP's instead of LAN IP's".
For me CnCNet has worked perfectly. No messing around with WOLAPI and/or Hamachi anymore 
				This post has been edited by ^Rampastein: Nov 13 2010, 08:35 AM