问题：

[多选]

You are creating a shared Internet connection on your Windows 2000 Professional computer. 
You want to enable other computers on the LAN to be able to access only HTTP and FTP sites on the Internet.  
What should you do?（）

A . Configure your shared Internet connection to disable LCP extensions.
B . Configure you shared Internet connection to disable on-demand dialing.
C . Create an Internet Connection Sharing application type for HTTP to use remote server port 25.
D . Create an Internet Connection Sharing application type for HTTP to use remote server port 80.
E . Create an Internet Connection Sharing application type for FTP to use remote server port 21.
F . Create an Internet Connection Sharing application type for FTP to use remote server port 72.