ONTAP 9.14

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Enable or disable access-based enumeration on SMB shares

You can enable or disable access-based enumeration (ABE) on SMB shares to allow or prevent users from seeing shared resources that they do not have permission to access.

About this task

By default, ABE is disabled.

  1. Perform one of the following actions:

    If you want to…​ Enter the command…​

    Enable ABE on a new share

    vserver cifs share create -vserver vserver_name -share-name share_name -path path -share-properties access-based-enumeration
    You can specify additional optional share settings and additional share properties when you create an SMB share. For more information, see the man page for the vserver cifs share create command.

    Enable ABE on an existing share

    vserver cifs share properties add -vserver vserver_name -share-name share_name -share-properties access-based-enumeration
    Existing share properties are preserved. The ABE share property is added to the existing list of share properties.

    Disable ABE on an existing share

    vserver cifs share properties remove -vserver vserver_name -share-name share_name -share-properties access-based-enumeration
    Other share properties are preserved. Only the ABE share property is removed from the list of share properties.

  2. Verify that the share configuration is correct by using the vserver cifs share show command.


The following example creates an ABE SMB share named “sales” with a path of /sales on SVM vs1. The share is created with access-based-enumeration as a share property:

cluster1::> vserver cifs share create -vserver vs1 -share-name sales -path /sales  -share-properties access-based-enumeration,oplocks,browsable,changenotify

cluster1::> vserver cifs share show -vserver vs1 -share-name sales

                      Vserver: vs1
                        Share: sales
     CIFS Server NetBIOS Name: VS1
                         Path: /sales
             Share Properties: access-based-enumeration
           Symlink Properties: enable
      File Mode Creation Mask: -
 Directory Mode Creation Mask: -
                Share Comment: -
                    Share ACL: Everyone / Full Control
File Attribute Cache Lifetime: -
                  Volume Name: -
                Offline Files: manual
Vscan File-Operations Profile: standard

The following example adds the access-based-enumeration share property to an SMB share named “data2”:

cluster1::> vserver cifs share properties add -vserver vs1 -share-name data2 -share-properties access-based-enumeration

cluster1::> vserver cifs share show -vserver vs1 -share-name data2 -fields share-name,share-properties
server  share-name share-properties
------- ---------- -------------------------------------------------------
vs1     data2      oplocks,browsable,changenotify,access-based-enumeration
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