The Server Message Block (SMB) protocol is a network file sharing protocol that allows applications on a computer to read and write to files and to request services from server programs in a computer network. The SMB protocol can be used on top of its TCP/IP protocol or other network protocols.

Is SMB still used?

SMB2 has now become SMB3. This is more of a marketing move since SMB3 still uses the MS-SMB2 protocol spec. ... Things like SMB Encryption allows full AES encryption of data payloads to prevent man-in-the-middle (MITM) snooping and attacks. Continuous Availability provides seamless failover between clustered file servers.

What is SMB example?

An SMB client is the device that accesses resources on an SMB server. For example, within a corporate network, the user PCs that access a shared drive are SMB clients.