NetApp
Configuration : Protocols > CIFS : Managing CIFS : Editing the access security properties for CIFS
Editing the access security properties for CIFS
You can set the restriction level for your CIFS session and enable or disable SMB signing.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Configuration > Protocols > CIFS.
3.
In the Configuration tab, click Options.
4.
In the CIFS Options dialog box, click Access Security and make the necessary changes.
5.
Click Save and Close to save your changes and close the dialog box.
Related reference 
CIFS window

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