NetBIOS.SSN

Description

This indicates an attempt to use the NetBIOS-SSN protocol.
NetBIOS Session Service (NBSS) is a protocol to connect two computers to transmit heavy data traffic. It is mostly used for printer and file services over a network.

Affected Products

NetBIOS

Impact

Unexpected network communication

Technology

Browser-Based, Network-Protocol, Client-Server, Peer-to-Peer, Cloud-Based, Mobile-Device

Behavior

• Reasonable

Default Ports

• TCP/139

References

• https://technet.microsoft.com/en-us/library/cc940063.aspx