This allows you to restrict access to designated hosts only. In the hosts file, you must specify the host's IP address or DNS name along with the Windows machine name. WINS and PDC are not used in this method. The three most common methods are described below. With this method, the hosts file contains a list of all domains and servers in the local hosts file.
Every host is listed.
There are two ways to configure SEE using this method. On the Local tab, click Search, click Search Local Network, and then search any remote networks, if necessary. SEE automatically builds a list of all hosts. You may delete hosts from the local hosts file if you do not want users to view them. If you make changes to the hosts file, you can reload the Extranet Neighborhood domains window by pressing the F5 key.