Windows SMB v2/v3
Windows SMB v2/v3 Protocol
Detection Information
The following page provides information on the Windows SMB v2/v3 Protocol.
Protocol Description
The Server Message Block (SMB) protocol provides file and print services to systems on the network. This detection is for version 2 and 3 of the protocol.
Full Name
Server Message Block Version 2 and 3
Abbreviation
SMBv2 / SMBv3
Known Ports
- TCP 445 - SMB over TCP port.
- TCP 137 - SMB over TCP port (via NetBIOS).
- UDP 137 - SMB over UDP port (via NetBIOS).
- UDP 138 - SMB over UDP port (via NetBIOS).
- TCP 139 - SMB over TCP port (via NetBIOS).
Category
File Server
External Resources
Protocol Detection
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