NetApp
Storage > Exports : Managing exports : Editing an NFS export

Editing an NFS export
You can use the Edit export rule to change the security flavor, NFS clients and their access privileges, and anonymous access settings for an NFS export.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Storage > Exports
3.
Select the NFS export that you want to edit.
The client permissions details are displayed in the lower pane.
4.
Select the security flavor in the lower pane and click Edit.
5.
In the Edit Export Rule, perform the required changes and click Modify.