Joao,
>Server
>IP Adress 127.0.0.1
>WorkStation
>IP Adress 127.0.0.2
No, the 127.0.0.1 is not the "real" public IP of each computer, so there is no conflict between server and workstation. "localhost" and "127.0.0.1" will always point to the computer you are on at the moment.