Forescout Network Access Control Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Forescout must be configured to apply dynamic ACLs that restrict the use of ports when non-entity endpoints are connected using MAC Authentication Bypass (MAB). This is required for compliance with C2C Step 4.
<VulnDiscussion>MAB is only one way of connecting non-entity endpoints, and can be defeated by spoofing the MAC address of an assumed authori...Rule Medium Severity -
SRG-NET-000273-NAC-000970
<GroupDescription></GroupDescription>Group -
Forescout must reveal error messages only to the Information System Security Officer (ISSO), Information System Security Manager (ISSM), and System Administrator (SA). This is required for compliance with C2C Step 1.
<VulnDiscussion>Ensuring the proper amount of information is provided to the Security Management staff is imperative to ensure role based acc...Rule Medium Severity -
SRG-NET-000088-NAC-000440
<GroupDescription></GroupDescription>Group -
Forescout must configure TCP for the syslog protocol to allow for detection by the central event server if communications is lost. This is required for compliance with C2C Step 1.
<VulnDiscussion>It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....Rule Medium Severity -
SRG-NET-000343-NAC-001480
<GroupDescription></GroupDescription>Group -
Forescout switch module must only allow a maximum of one registered MAC address per access port. This is required for compliance with C2C Step 4.
<VulnDiscussion>Limiting the number of registered MAC addresses on a switch access port can help prevent a CAM table overflow attack. This ty...Rule Medium Severity -
Forescout must perform continuous detection and tracking of endpoint devices attached to the network. This is required for compliance with C2C Step 1.
<VulnDiscussion>Continuous scanning capabilities on the NAC provide visibility of devices that are connected to the switch ports. The NAC con...Rule Medium Severity -
SRG-NET-000148-NAC-000620
<GroupDescription></GroupDescription>Group -
Forescout must use TLS 1.2, at a minimum, to protect the confidentiality of information passed between the endpoint agent and Forescout for the purposes of client posture assessment. This is required for compliance with C2C Step 1.
<VulnDiscussion>Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and u...Rule Medium Severity
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