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Network Device Management Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The network device must use FIPS 140-2 approved algorithms for authentication to a cryptographic module.

    Unapproved mechanisms that are used for authentication to the cryptographic module are not validated and therefore cannot be relied upon to provide confidentiality or integrity, and DoD data may be...
    Rule High Severity
  • The network device must terminate all network connections associated with a device management session at the end of the session, or the session must be terminated after five minutes of inactivity except to fulfill documented and validated mission requirements.

    Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port th...
    Rule High Severity
  • The network device must only allow authorized administrators to view or change the device configuration, system files, and other files stored either in the device or on removable media (such as a flash drive).

    This requirement is intended to address the confidentiality and integrity of system information at rest (e.g., network device rule sets) when it is located on a storage device within the network de...
    Rule High Severity
  • The network device must display an explicit logout message to administrators indicating the reliable termination of authenticated communications sessions.

    If an explicit logout message is not displayed and the administrator does not expect to see one, the administrator may inadvertently leave a management session un-terminated. The session may remain...
    Rule Medium Severity
  • If the network device uses discretionary access control, the network device must enforce organization-defined discretionary access control policies over defined subjects and objects.

    Discretionary Access Control (DAC) is based on the notion that individual network administrators are "owners" of objects and therefore have discretion over who should be authorized to access the ob...
    Rule Medium Severity
  • The network device must generate an immediate real-time alert of all audit failure events requiring real-time alerts.

    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 a real-time alert, security personnel may be unaware of an impe...
    Rule Medium Severity
  • The network device must record time stamps for audit records that meet a granularity of one second for a minimum degree of precision.

    Without sufficient granularity of time stamps, it is not possible to adequately determine the chronological order of records. Time stamps generated by the application include date and time. Granula...
    Rule Medium Severity
  • The network device must audit the enforcement actions used to restrict access associated with changes to the device.

    Without auditing the enforcement of access restrictions against changes to the device configuration, it will be difficult to identify attempted attacks, and an audit trail will not be available for...
    Rule Medium Severity
  • The network device must prohibit the use of cached authenticators after an organization-defined time period.

    Some authentication implementations can be configured to use cached authenticators. If cached authentication information is out-of-date, the validity of the authentication information may be quest...
    Rule Medium Severity
  • The network devices must use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of nonlocal maintenance and diagnostic communications.

    Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be relied upon to provide confidentiality or integrity, and DoD data may be ...
    Rule High Severity

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