The acl-file element references an ACL file. ACL files define the authorization rules. The auth-realm and default-auth-realm-name elements configure authentication realms for Java Servlet container authentication. For more information, see acl-file, auth-realm, and default-auth-realm-name.
The auth-db and default-auth-db-name elements configure the authentication databases for server authentication. Authentication databases are used with ACL files. For more information, see auth-db, and default-auth-db-name.
For more information on ACL files, see Chapter 9, ACL Files.