Arista MLS DCS-7000 Series NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Arista Multilayer Switch must automatically audit account modification.
Since the accounts in the network device are privileged or system-level accounts, account management is vital to the security of the network device. Account management by a designated authority ens...Rule Medium Severity -
The Arista Multilayer Switch must protect against an individual (or process acting on behalf of an individual) falsely denying having performed organization-defined actions to be covered by non-repudiation.
This requirement supports non-repudiation of actions taken by an administrator and is required in order to maintain the integrity of the configuration management process. All configuration changes ...Rule Low Severity -
The Arista Multilayer Switch must generate audit records when successful/unsuccessful attempts to access privileges occur.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Low Severity -
The Arista Multilayer Switch must produce audit log records containing sufficient information to establish what type of event occurred.
It is essential for security personnel to know what is being done, what was attempted, where it was done, when it was done, and by whom it was done in order to compile an accurate risk assessment. ...Rule Low Severity -
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 -
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 -
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 -
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 -
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 -
The Arista Multilayer Switch must generate audit records for all account creations, modifications, disabling, and termination events.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
The Arista Multilayer Switch must protect the audit records of nonlocal accesses to privileged accounts and the execution of privileged functions.
Auditing may not be reliable when performed by the network device to which the user being audited has privileged access. The privileged user may inhibit auditing or modify audit records. This contr...Rule Medium Severity -
The Arista Multilayer Switch must use FIPS-compliant mechanisms for authentication to a cryptographic module.
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 Medium Severity
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