Arista MLS DCS-7000 Series NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000095-NDM-000225
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SRG-APP-000164-NDM-000252
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The Arista Multilayer Switch account of last resort must have a password with a length of 15 characters.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-APP-000026-NDM-000208
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The Arista Multilayer Switch must automatically audit account creation.
Upon gaining access to a network device, an attacker will often first attempt to create a persistent method of reestablishing access. One way to accomplish this is to create a new account. Notifica...Rule Medium Severity -
SRG-APP-000027-NDM-000209
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The Arista Multilayer Switch must generate audit records when concurrent logons from different workstations 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 Medium Severity -
SRG-APP-000509-NDM-000324
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SRG-APP-000028-NDM-000210
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The Arista Multilayer Switch must automatically audit account disabling actions.
Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting access to only authorized personnel. Auditing account disabling actions will ...Rule Medium Severity -
SRG-APP-000029-NDM-000211
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The Arista Multilayer Switch must automatically audit account removal actions.
Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting access to only authorized personnel. Auditing account removal actions will su...Rule Medium Severity -
SRG-APP-000068-NDM-000215
Group -
The Arista Multilayer Switch must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the device.
Display of the DoD-approved use notification before granting access to the network device ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executi...Rule Medium Severity -
SRG-APP-000080-NDM-000220
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SRG-APP-000091-NDM-000223
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SRG-APP-000101-NDM-000231
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The Arista Multilayer Switch must generate audit records containing the full-text recording of privileged commands.
Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information. Organizations consider limiting the additional audit information to only ...Rule Low Severity -
SRG-APP-000142-NDM-000245
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SRG-APP-000151-NDM-000248
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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
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The Arista Multilayer Switch must be updated to one of the minimum approved versions of EOS.
The Arista Multilayer Switch uses the EOS operating system. Updates to EOS contain new security-related features and security patches that address known vulnerabilities. Running a current DoD-appro...Rule Low Severity -
SRG-APP-000179-NDM-000265
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SRG-APP-000267-NDM-000273
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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
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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
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SRG-APP-000373-NDM-000298
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The Arista Multilayer Switch must generate audit records showing starting and ending time for administrator access to the system.
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 -
SRG-APP-000506-NDM-000323
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SRG-APP-000374-NDM-000299
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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
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SRG-APP-000412-NDM-000331
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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 -
SRG-APP-000504-NDM-000321
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The Arista Multilayer Switch must generate audit records for privileged activities or other system-level access.
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 -
SRG-APP-000505-NDM-000322
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SRG-APP-000515-NDM-000325
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The Arista Multilayer Switch must, at a minimum, off-load audit records for interconnected systems in real time.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity.Rule Medium Severity -
SRG-APP-000516-NDM-000317
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SRG-APP-000516-NDM-000336
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The Arista Multilayer Switch must employ AAA service to centrally manage authentication settings.
The use of authentication servers or other centralized management servers for providing centralized authentication services is required for network device management. Maintaining local administrato...Rule High Severity -
SRG-APP-000516-NDM-000340
Group -
The Arista Multilayer Switch must support organizational requirements to conduct backups of system-level information contained in the information system when changes occur or weekly, whichever is sooner.
System-level information includes default and customized settings and security attributes, including ACLs that relate to the network device configuration, as well as software required for the execu...Rule Low Severity -
SRG-APP-000516-NDM-000317
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SRG-APP-000516-NDM-000317
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The Arista Multilayer Switch must have a local infrequently used account to be used as an account of last resort with full access to the network device.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule High Severity
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