3.7 Ensure wireless interfaces are disabled (Not Scored)

Level 1 - Server
Level 2 - Workstation 

Wireless networking is used when wired networks are unavailable. Ubuntu contains a wireless tool kit to allow system administrators to configure and use wireless networks.

If wireless is not to be used, wireless devices can be disabled to reduce the potential attack surface.

Run the following command to determine wireless interfaces on the system::

# iwconfig

Run the following command and verify wireless interfaces are active:

# ip link show up

Run the following command to disable any wireless interfaces:

# ip link set <interface> down

Disable any wireless interfaces in your network configuration.

Many if not all laptop workstations and some desktop workstations will connect via wireless requiring these interfaces be enabled.