cyberstrikeus 7.6 Deactivate Wireless Interfaces (Not Scored)
Profile Applicability
- Level 1
Description
Wireless networking is used when wired networks are unavailable. Ubuntu provides the nmcli interface which allows system administrators to configure and use wireless networks.
Rationale
If wireless is not to be used, wireless devices can be disabled to reduce the potential attack surface.
Audit Procedure
Using Command Line
Perform the following to determine if wireless interfaces are active.
ifconfig -a
Validate that all interfaces using wireless are down.
Expected Result
No active wireless interfaces should be present.
Remediation
Using Command Line
Use the following command to disable wireless:
nmcli nm wifi off
Default Value
Wireless interfaces may be active by default if hardware is present.
References
- CIS Ubuntu 12.04 LTS Server Benchmark v1.1.0
Profile
Level 1 - Not Scored