uses to determine which principals are allowed which permissions on the
database. The default is @code{@value{DefaultAclFile}}.
-@itemx admin_keytab
-(String.) Location of the keytab file that the legacy administration
-daemons @code{kadmind4} and @code{v5passwdd} use to authenticate to
-the database. The default is @code{@value{DefaultAdminKeytab}}.
-
@itemx default_principal_expiration
(Absolute time string.) Specifies the default expiration date of
principals created in this realm. The default value for this tag is