Click the WINS tab, and then click Disable NetBIOS over TCP/IP. This method disables NetBIOS Session Service (which listens on TCP port 139). It does not disable NetBIOS completely. If you do not want to have SMB enabled, you can disable it all at once by using the following instructions:

Displays NetBIOS over TCP/IP (NetBT) protocol statistics, NetBIOS name tables for both the local computer and remote computers, and the NetBIOS name cache. This command also allows a refresh of the NetBIOS name cache and the names registered with Windows Internet Name Service (WINS). Used without parameters, this command displays Help information. Consequences of NetBIOS over TCP/IP? - Ars Technica Feb 28, 2018 Securing Windows SMB and NetBios/NetBT Services – … Microsoft's implementation of NetBIOS Over TCP/IP (NetBT) provides the NetBIOS programming interface over the TCP/IP protocol, extending the reach of NetBIOS client and server programs to TCP/IP networks and providing interoperability with other operating systems. It uses the following TCP and UDP ports: - UDP port 137 (name services) What is an SMB Port + Ports 445 and 139 Explained | Varonis Mar 29, 2020

Port 445 (tcp/udp) :: SpeedGuide

Session Services (utilizing TCP port 139) lets two computers establish a connection for conversation. The most common use for NetBIOS over TCP/IP (NBT) is for name resolution, if DNS is not supported or is not working on the local network. On modern networks, instances of an application or device not supporting DNS are rare.

Microsoft SMB, SMB2, NetBIOS, WINS protocol suite

What is NetBIOS? Does Windows need its ports 137 and 138