NOTE: Connecting to the LDAP Directory is still available but you can also connect to the Global Address Book using this article which is the suggested method for GT Directory access.
If you use the Address Book app in Mac OS X, you may want to configure it to search the GT directory for your friends or colleagues.
To do this, start up the application and go to the preferences.
Under the "Accounts" tab, configure it with these settings:
Name: GT Directory (this field is optional and you can name it whatever you want)
Port: 389 (Leave SSL unchecked)
Search Base: dc=whitepages,dc=gatech,dc=edu