F5 BIG-IP TMOS NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000357-NDM-000293
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SRG-APP-000166-NDM-000254
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The F5 BIG-IP appliance must be configured with only one local account to be used as the account of last resort in the event the authentication server is unavailable.
Authentication for administrative (privileged level) access to the device is required at all times. An account can be created on the device's local database for use when the authentication server i...Rule Medium Severity -
The F5 BIG-IP appliance must be configured to assign appropriate user roles or access levels to authenticated users.
Successful identification and authentication must not automatically give an entity full access to a network device or security domain. Authorization is the process of determining whether an entit...Rule High Severity -
The F5 BIG-IP appliance must be configured to display the Standard Mandatory DOD Notice and Consent Banner upon access to the TMOS User Interface.
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 -
The F5 BIG-IP appliance must manage local audit storage capacity in accordance with organization-defined audit record storage requirements.
To ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able to allocate audit record storage capacity. The task of allocating audit record st...Rule Low Severity -
The F5 BIG-IP appliance must be configured to synchronize internal information system clocks 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 -
The F5 BIG-IP appliance must be configured to prevent the installation of patches, service packs, or application components without verification the software component has been digitally signed using a certificate that is recognized and approved by the organization.
Changes to any software components can have significant effects on the overall security of the network device. Verifying software components have been digitally signed using a certificate that is r...Rule Medium Severity -
The F5 BIG-IP appliance must obtain its public key certificates from an appropriate certificate policy through an approved service provider.
For user certificates, each organization obtains certificates from an approved, shared service provider, as required by OMB policy. For federal agencies operating a legacy public key infrastructure...Rule Medium Severity -
The F5 BIG-IP appliance must enforce a minimum 15-character password length.
Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one factor of several that helps to d...Rule Medium Severity
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