Cisco IOS Router NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000516-NDM-000351
Group -
The Cisco router must be running an IOS release that is currently supported by Cisco Systems.
Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated with recent vulnerabilities. Running a supported release also enables o...Rule High Severity -
The Cisco router must be configured to limit the number of concurrent management sessions to an organization-defined number.
Device management includes the ability to control the number of administrators and management sessions that manage a device. Limiting the number of allowed administrators and sessions per administr...Rule Medium Severity -
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 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 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 -
The Cisco router must be configured to 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 of several that helps to determine ...Rule Medium Severity -
The Cisco router must be configured to enforce password complexity by requiring that at least one special character be used.
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
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