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Forescout Network Access Control Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Forescout must place client machines on a blacklist or terminate network communications on devices when critical security issues are found that put the network at risk. This is required for compliance with C2C Step 4.

    <VulnDiscussion>Devices that are found to have critical security issues place the network at risk if they are allowed to continue communicati...
    Rule High Severity
    Show

  • SRG-NET-000015-NAC-000130

    <GroupDescription></GroupDescription>
    Group
    Show

  • Forescout must be configured so client machines do not communicate with other network devices in the DMZ or subnet except as needed to perform a client assessment or to identify itself. This is required for compliance with C2C Step 2.

    &lt;VulnDiscussion&gt;Devices not compliant with DOD secure configuration policies are vulnerable to attack. While endpoints are undergoing NAC aut...
    Rule Medium Severity
    Show

  • SRG-NET-000321-NAC-001210

    <GroupDescription></GroupDescription>
    Group
    Show

  • Forescout must enforce the revocation of endpoint access authorizations when devices are removed from an authorization group. This is required for compliance with C2C Step 4.

    &lt;VulnDiscussion&gt;Ensuring the conditions that are configured in policy have proper time limits set to reflect changes will allow for proper ac...
    Rule Medium Severity
    Show

  • SRG-NET-000322-NAC-001220

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-NET-000492-NAC-002110

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-NET-000336-NAC-001390

    <GroupDescription></GroupDescription>
    Group
    Show

  • If a device requesting access fails Forescout policy assessment, Forescout must communicate with other components and the switch to either terminate the session or isolate the device from the trusted network for remediation. This is required for compliance with C2C Step 3.

    &lt;VulnDiscussion&gt;Endpoints with identified security flaws and weaknesses endanger the network and other devices on it. Isolation or terminatio...
    Rule High Severity
    Show

  • SRG-NET-000015-NAC-000020

    <GroupDescription></GroupDescription>
    Group
    Show

  • Forescout must enforce approved access by employing admissions assessment filters that include, at a minimum, device attributes such as type, IP address, resource group, and/or mission conditions as defined in Forescout System Security Plan (SSP). This is required for compliance with C2C Step 4.

    &lt;VulnDiscussion&gt;Successful authentication must not automatically give an entity access to an asset or security boundary. The lack of authoriz...
    Rule High Severity
    Show

  • SRG-NET-000015-NAC-000030

    <GroupDescription></GroupDescription>
    Group
    Show

  • Endpoint policy assessment must proceed after the endpoint attempting access has been identified using an approved identification method such as IP address. This is required for compliance with C2C Step 2.

    &lt;VulnDiscussion&gt;Automated policy assessments must reflect the organization's current security policy so entry control decisions will happen o...
    Rule High Severity
    Show

  • SRG-NET-000015-NAC-000040

    <GroupDescription></GroupDescription>
    Group
    Show

  • For endpoints that require automated remediation, Forescout must be configured to logically separate endpoints from the trusted network traffic during remediation. This is required for compliance with C2C Step 4.

    &lt;VulnDiscussion&gt;Automated and manual procedures for remediation for critical security updates will be managed differently. Continuing to asse...
    Rule High Severity
    Show

  • SRG-NET-000015-NAC-000060

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-NET-000015-NAC-000070

    <GroupDescription></GroupDescription>
    Group
    Show

  • Forescout must be configured to notify the user before proceeding with remediation of the user's endpoint device when automated remediation is used. This is required for compliance with C2C Step 3.

    &lt;VulnDiscussion&gt;Connections that bypass established security controls should be allowed only in cases of administrative need. These procedure...
    Rule Medium Severity
    Show

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