SMB.v3
Description
This indicates an attempt to use the SMB v3 protocol.Microsoft Server Message Block (SMB) protocol is a network file sharing and printer sharing protocol available on multiple Operating Systems. The signature identifies SMB version 3.0, 3.0.2 and 3.1.1.
Affected Products
SMB version 3.0, 3.0.2 and 3.1.1
Impact
Network bandwidth consumption
Technology
Browser-Based, Network-Protocol, Client-Server, Peer-to-Peer, Cloud-Based, Mobile-Device
Behavior
- Reasonable
Default Ports
- TCP/137
- TCP/139
- TCP/445