II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000142-NDM-000245
Group -
The Arista Multilayer Switch must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments.
In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable...Rule Medium Severity -
SRG-APP-000151-NDM-000248
Group -
The Arista Multilayer Switch must use multifactor authentication for local access to privileged accounts.
Multifactor authentication is defined as: using two or more factors to achieve authentication. Factors include: (i) Something a user knows (e.g., password/PIN); (ii) Something a user has (e.g., ...Rule Medium Severity -
SRG-APP-000190-NDM-000267
Group -
The Arista Multilayer Switch must terminate all network connections associated with a device management session at the end of the session, or the session must be terminated after 10 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 Medium Severity -
SRG-APP-000267-NDM-000273
Group -
The Arista Multilayer Switch must reveal error messages only to authorized individuals (ISSO, ISSM, and SA).
Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state. Additionally, sensitive account informatio...Rule Medium Severity -
SRG-APP-000268-NDM-000274
Group -
The Arista Multilayer Switch must activate a system alert message, send an alarm, and/or automatically shut down when a component failure is detected.
Predictable failure prevention requires organizational planning to address device failure issues. If components key to maintaining the device's security fail to function, the device could continue ...Rule Medium Severity -
SRG-APP-000372-NDM-000297
Group -
The Arista Multilayer Switch must synchronize internal information system clocks to the authoritative time source when the time difference is greater than the organization-defined time period.
Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when condu...Rule Medium Severity -
SRG-APP-000373-NDM-000298
Group -
The Arista Multilayer Switch must be configured to synchronize internal information system clocks with the primary and secondary time sources located in different geographic regions using redundant authoritative time sources.
The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run mode) and increasingly inaccurate time stamps on audit events and other ...Rule Medium Severity -
SRG-APP-000374-NDM-000299
Group -
The Arista Multilayer Switch must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).
If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analysis. Time stamps generated by the application include date and time. Tim...Rule Medium Severity -
SRG-APP-000411-NDM-000330
Group -
Arista Multilayer Switches used for nonlocal maintenance sessions must implement cryptographic mechanisms to protect the integrity of nonlocal maintenance and diagnostic communications.
This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead of FTP, and HTTPS instead of HTTP.Rule Medium Severity -
SRG-APP-000412-NDM-000331
Group -
Arista Multilayer Switches used for nonlocal maintenance sessions must implement cryptographic mechanisms to protect the confidentiality of nonlocal maintenance and diagnostic communications.
This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead of FTP, and HTTPS instead of HTTP.Rule Medium Severity
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