III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000517-NAC-002370
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.
In accordance with NIST SP 800-52, the TLS server must terminate the connection with a fatal “handshake failure” alert when a client certificate is requested and the client does not have a suitable...Rule Medium Severity -
SRG-NET-000062-NAC-000340
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.
Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and unknown attacks that exploit vulnerabilities in this protocol.Rule Medium Severity -
SRG-NET-000320-NAC-001200
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.
Forescout solution assesses the compliance posture of each client and returns an access decision based on configured security policy. The communications associated with this traffic must be protect...Rule Medium Severity -
SRG-NET-000492-NAC-002110
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.
Generating log records with regard to modules and policies is an important part of maintaining proper cyber hygiene. Keeping and maintaining the logs helps to establish, correlate, and investigate ...Rule Medium Severity -
SRG-NET-000336-NAC-001390
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.
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an ...Rule Medium Severity -
SRG-NET-000512-NAC-002310
Group -
Forescout must perform continuous detection and tracking of endpoint devices attached to the network. This is required for compliance with C2C Step 1.
Continuous scanning capabilities on the NAC provide visibility of devices that are connected to the switch ports. The NAC continuously scans networks and monitors the activity of managed and unmana...Rule Medium Severity -
SRG-NET-000148-NAC-000620
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.
Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Identification failure does not need to result in connection termination or ...Rule Medium Severity -
SRG-NET-000151-NAC-000630
Group -
Forescout must use a bidirectional authentication mechanism configured with a FIPS-validated Advanced Encryption Standard (AES) cipher block algorithm to authenticate with the endpoint device. This is required for compliance with C2C Step 1.
Bidirectional authentication provides stronger safeguards to validate the identity of other devices for connections that are of greater risk. Currently, DoD requires the use of AES for bidirectiona...Rule Medium Severity -
SRG-NET-000580-NAC-002530
Group -
When connecting with endpoints, Forescout must be configured to use FIPS 140-2/3 validated algorithms for encryption processes and communications. This is required for compliance with C2C Step 1.
A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA). Certification path validation is necessary for a relying party to make...Rule High Severity
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