Hi ,
As far as I know ,the only way to control SMB traffic is via firewall.
Or if you want to disable SMB traffic without firewall, you may try to disable port 445 and port 139. Of cause, this is not a recommended method and may not take effect.
Best Regards,
Candy
--------------------------------------------------------------
If the Answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.