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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • 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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and u...
    Rule Medium 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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;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.

    &lt;VulnDiscussion&gt;Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Iden...
    Rule Medium Severity
  • SRG-NET-000151-NAC-000630

    <GroupDescription></GroupDescription>
    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.

    &lt;VulnDiscussion&gt;Bidirectional authentication provides stronger safeguards to validate the identity of other devices for connections that are ...
    Rule Medium Severity
  • SRG-NET-000580-NAC-002530

    <GroupDescription></GroupDescription>
    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.

    &lt;VulnDiscussion&gt;A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA)...
    Rule High Severity

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