I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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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 -
SRG-NET-000517-NAC-002370
<GroupDescription></GroupDescription>Group -
For TLS connections, Forescout must automatically terminate the session when a client certificate is requested and the client does not have a suitable certificate. This is required for compliance with C2C Step 1.
<VulnDiscussion>In accordance with NIST SP 800-52, the TLS server must terminate the connection with a fatal “handshake failure” alert when a...Rule Medium Severity -
SRG-NET-000062-NAC-000340
<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 -
SRG-NET-000525-NAC-002430
<GroupDescription></GroupDescription>Group -
Forescout that stores device keys must have a key management process that is FIPS-approved and protected by Advanced Encryption Standard (AES) block cipher algorithms. This is required for compliance with C2C Step 1.
<VulnDiscussion>The NAC that stores secret or private keys must use FIPS-approved key management technology and processes in the production a...Rule High Severity -
SRG-NET-000320-NAC-001200
<GroupDescription></GroupDescription>Group -
Communications between Forescout endpoint agent and the switch must transmit access authorization information via a protected path using a cryptographic mechanism. This is required for compliance with C2C Step 1.
<VulnDiscussion>Forescout solution assesses the compliance posture of each client and returns an access decision based on configured security...Rule Medium Severity -
SRG-NET-000492-NAC-002110
<GroupDescription></GroupDescription>Group -
Forescout must generate a log record when the client machine fails policy assessment because required security software is missing or has been deleted. This is required for compliance with C2C Step 1.
<VulnDiscussion>Generating log records with regard to modules and policies is an important part of maintaining proper cyber hygiene. Keeping ...Rule Medium Severity -
SRG-NET-000336-NAC-001390
<GroupDescription></GroupDescription>Group -
Forescout must be configured with a secondary log server, in case the primary log is unreachable. 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-000512-NAC-002310
<GroupDescription></GroupDescription>Group -
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 deny network connection for endpoints that cannot be authenticated using an approved method. This is required for compliance with C2C Step 4.
<VulnDiscussion>Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Iden...Rule Medium Severity
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