Windows Networking
Windows Networking Protocol
Detection Information
The following page provides information on the Windows Networking Protocol.
Protocol Description
NetBIOS over TCP/IP is a naming service and session handler used by Windows networks. The protocol allows for computers on a small local network to communicate with each other.
Full Name
NetBIOS over TCP
Abbreviation
NBT
Introduced
Version 2.88
Port Statistics
| IP Protocol | Flow Percent |
|---|---|
| UDP 137 | 99% |
| UDP 138 | < 1% |
| TCP 139 | < 1% |
Port Reference - RFC
- TCP 137 - NETBIOS Name Service
- UDP 137 - NETBIOS Name Service
- UDP 138 - NETBIOS Datagram Service
- UDP 139 - NETBIOS Session Service
Category
Networking
External Resources
Protocol Detection
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