Setup a W2K Server (RAS)

I want to configure my W2K Server have a RAS function to allow user through the modem dail up login into the Server. Since I configure the server have RAS function and the user can login into the server but they can view the information of the server. What is the problem ? I just want to know what is the actually steps to set up the RAS. Would anyone can give me the ideal ?

Best Regards

Dennis