Windows SMB v1 Protocol

This page provides information on the Windows SMB v1 Protocol detected by the Netify DPI engine.

Protocol Description

The Server Message Block (SMB) protocol provides file and print services to systems on the network. Though primarily used by Microsoft Windows systems, macOS, Linux and other operating systems also support the protocol.

Please see the protocol catalog page for information on other protocols detected by Netify DPI.

Protocol Details

ID
16
Full Name
Server Message Block Version 1
Abbreviation
SMBv1
Category Tag
file-server
Category
File Server
Home Page
Windows SMB v1
Introduced
Version 2.88

Best Practices

The SMBv1 protocol was developed in the 1980s and has past its prime. The protocol is insecure and a security incident waiting to happen. If you see this protocol on your network, please take action.

Related Protocols

Review the File Server category suite below, or explore the complete protocol catalog.