Cisco IOS XE 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 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 -
The Cisco router must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must lock out the user account from accessing the device for 15 minutes.
By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced.Rule Medium Severity -
The Cisco device must be configured to audit all administrator activity.
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 Medium Severity -
The Cisco router must produce audit records containing information to establish when (date and time) the events 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 Medium Severity -
The Cisco router must produce audit records containing information to establish where the events occurred.
In order to compile an accurate risk assessment and provide forensic analysis, it is essential for security personnel to know where events occurred, such as device hardware components, device softw...Rule Medium Severity -
The Cisco router must be configured to 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 Medium Severity -
The Cisco router must be configured to protect audit information from unauthorized modification.
Audit information includes all information (e.g., audit records, audit settings, and audit reports) needed to successfully audit network device activity. If audit data were to become compromised, ...Rule Medium Severity -
The Cisco router must be configured to protect audit information from unauthorized deletion.
Audit information includes all information (e.g., audit records, audit settings, and audit reports) needed to successfully audit information system activity. If audit data were to become compromis...Rule Medium Severity -
The Cisco router must be configured to limit privileges to change the software resident within software libraries.
Changes to any software components of the network device can have significant effects on the overall security of the network. Therefore, only qualified and authorized individuals should be allowed ...Rule Medium Severity -
The Cisco router must be configured to prohibit the use of all unnecessary and nonsecure functions and services.
Network devices are capable of providing a wide variety of functions and services. Some of the functions and services provided by default may not be necessary to support essential organizational op...Rule High Severity
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