Title

The RUCKUS ICX router must be configured to have all inactive interfaces disabled. (Cat III impact)

Discussion

An inactive interface is rarely monitored or controlled and may expose a network to an undetected attack on that interface. Unauthorized personnel with access to the communication facility could gain access to a router by connecting to a configured interface that is not in use. If an interface is no longer used, the configuration must be deleted and the interface disabled. For sub-interfaces, delete sub-interfaces that are on inactive interfaces and delete sub-interfaces that are themselves inactive. If the sub-interface is no longer necessary for authorized communications, it must be deleted.

Check Content

Review the router configuration and verify inactive interfaces are disabled: interface ethernet 1/1/11 disable ! If inactive interfaces are not disabled, this is a finding.

Fix Text

Disable inactive interfaces: interface ethernet 1/1/11 disable !

Additional Identifiers

Rule ID: SV-273584r1110889_rule

Vulnerability ID: V-273584

Group Title: SRG-NET-000019-RTR-000007

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.