Match the port type and number with the respective NetBIOS protocol service.
- UDP port 138 ==> NetBIOS Datagram Service
- UDP port 137 ==> NetBIOS Name Service
- TCP port 445 ==> SMB protocol
- TCP port 139 ==> NetBIOS Session Service
- TCP port 135 ==> Microsoft Remote Procedure Call (MS-RPC)
Explanation & Hint:
Place the options in the following order:
UDP port 138 NetBIOS Datagram Service UDP port 137 NetBIOS Name Service TCP port 445 SMB protocol TCP port 139 NetBIOS Session Service TCP port 135 Microsoft Remote Procedure Call (MS-RPC)