Cisco IOS XR Router NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco router must be configured to use at least two authentication servers for the purpose of authenticating users prior to granting administrative access.
Centralized management of user accounts and authentication increases the administrative access to the router. This control is particularly important protection against the insider threat. With robu...Rule High Severity -
The Cisco router must be configured to 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 Cisco router must be configured to send log data to at least two syslog servers for the purpose of forwarding alerts to the administrators and the information system security officer (ISSO).
The aggregation of log data kept on a syslog server can be used to detect attacks and trigger an alert to the appropriate security personnel. The stored log data can used to detect weaknesses in se...Rule High Severity -
SRG-APP-000038-NDM-000213
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The Cisco router must be configured to enforce approved authorizations for controlling the flow of management information within the device based on control policies.
A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design. If management information flow is not enforced based on approved autho...Rule Medium Severity -
SRG-APP-000065-NDM-000214
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The Cisco router must be configured to enforce the limit of three consecutive invalid logon attempts after which time lock out the user account from accessing the device for 15 minutes.
By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced.Rule Medium Severity -
SRG-APP-000068-NDM-000215
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SRG-APP-000091-NDM-000223
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The Cisco router must be configured to generate audit records when successful/unsuccessful attempts to logon with 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 Medium Severity
Node 2
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