Server Message Block (SMB) Protocol Version Detection

info Nessus Plugin ID 160486

Synopsis

Verify the version of SMB on the remote host.

Description

The Server Message Block (SMB) Protocol provides shared access to files and printers across nodes on a network.

Solution

Disable SMB version 1 and block all versions of SMB at the network boundary by blocking TCP port 445 with related protocols on UDP ports 137-138 and TCP port 139, for all boundary devices.

See Also

http://www.nessus.org/u?f463096b

http://www.nessus.org/u?1a4b3744

Plugin Details

Severity: Info

ID: 160486

File Name: smb-version-detect.nasl

Version: 1.1

Type: remote

Agent: windows

Family: Windows

Published: 5/4/2022

Updated: 5/4/2022

Supported Sensors: Nessus Agent, Nessus