======3.7 Ensure wireless interfaces are disabled (Not Scored)====== =====Profile Applicability===== Level 1 - Server Level 2 - Workstation =====Description===== 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. =====Rationale===== If wireless is not to be used, wireless devices can be disabled to reduce the potential attack surface. =====Audit===== 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 =====Remediation===== Run the following command to disable any wireless interfaces: # ip link set down Disable any wireless interfaces in your network configuration. =====Impact===== Many if not all laptop workstations and some desktop workstations will connect via wireless requiring these interfaces be enabled.