CHGWWWDIR AUTHNAME(ThisRealm)
AuthName RealmNameEach realm name entry must be within a directory section. If more than one realm name is specified in the same directory section, the last entry will be used for that directory.
When processing failed requires, only one realm name will be used. The one used will be the one that is nearest (and farthest from the root) to the directory for which access is being evaluated.