NIS+ security configuration is done with the nisauthconf command. nisauthconf takes a list of security mechanisms in order of preference. A security mechanism may use one or more authentication flavors specified in secure_rpc(3N). If des is the only specified mechanism, then NIS+ only uses AUTH_DH (formerly AUTH_DES) for authentication with other NIS+ clients and servers. Any other security mechanisms after des will be ignored by NIS+, except for nisaddcred.
nisauthconf [-v] [mechanism, ...]
Where mechanism is a RPC security mechanism that is available on the system. See nisauthconf for the list of mechanisms available. If no mechanisms are specified, then a list of currently configured mechanisms is printed.