You can use System Manager to authenticate NFS clients to access data on the SVM.
Editing NFS settings
You can use System Manager to edit the NFS settings, such as enabling or disabling NFSv3, NFSv4, and NFSv4.1; enabling or disabling read and write delegations for NFSv4 clients; and enabling NFSv4 ACLs. You can also edit the default Windows user.
How ONTAP handles NFS client authentication
NFS clients must be properly authenticated before they can access data on the SVM. ONTAP authenticates the clients by checking their UNIX credentials against the name services that you configure.
NFS window
You can use the NFS window to display and configure your NFS settings.