Forescout appliance must not be configured to implement a DHCP layer 3 method for separation or device authorization. This is required for compliance with C2C Step 2.
An XCCDF Rule
Description
<VulnDiscussion>An internal rogue device can still bypass the authentication process, regardless of the policy flow. Configuring the NAC to process all device authentication will ensure that any rogue device, internal or external, will be authenticated prior to network access.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-233315r919222_rule
- Severity
- High
- References
- Updated
Remediation - Manual Procedure
Log on to the Forescout UI.
1. Locate the Authentication & Authorization policy.
2. Ensure all traffic passing through the NAC is properly labeled and that all authenticated and nonauthenticated traffic goes through the NAC.