The following realms are supported in the Application Server:
file - Stores user information in a file. This is the
default realm when you first install the Application Server.
ldap - Stores user information in an LDAP database.
certificate - Sets up the user identity in the Application Server security
context, and populates it with user data obtained from cryptographically verified
solaris - Allows authentication using Solaris username+password data. This realm is only supported on Solaris 9.
For detailed information about configuring each of these realms, see the Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Administration Guide.