Cisco IOS Switch NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000001-NDM-000200
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SRG-APP-000026-NDM-000208
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The Cisco switch must be configured to 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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SRG-APP-000028-NDM-000210
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SRG-APP-000029-NDM-000211
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The Cisco switch must be configured to 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-000038-NDM-000213
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SRG-APP-000065-NDM-000214
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SRG-APP-000068-NDM-000215
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SRG-APP-000080-NDM-000220
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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 to maintain the integrity of the configuration management process. All configuration changes to the ne...Rule Medium Severity -
SRG-APP-000096-NDM-000226
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SRG-APP-000097-NDM-000227
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SRG-APP-000101-NDM-000231
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SRG-APP-000119-NDM-000236
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SRG-APP-000120-NDM-000237
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SRG-APP-000133-NDM-000244
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SRG-APP-000142-NDM-000245
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SRG-APP-000148-NDM-000346
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SRG-APP-000164-NDM-000252
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SRG-APP-000166-NDM-000254
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SRG-APP-000167-NDM-000255
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SRG-APP-000168-NDM-000256
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SRG-APP-000169-NDM-000257
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SRG-APP-000170-NDM-000329
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SRG-APP-000171-NDM-000258
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SRG-APP-000190-NDM-000267
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SRG-APP-000319-NDM-000283
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SRG-APP-000357-NDM-000293
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SRG-APP-000360-NDM-000295
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The Cisco switch must be configured to generate an alert for all audit failure events.
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without a real-time alert, security personnel may be unaware of an impe...Rule Medium Severity -
SRG-APP-000373-NDM-000298
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SRG-APP-000395-NDM-000310
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The Cisco switch must be configured to authenticate SNMP messages using a FIPS-validated Keyed-Hash Message Authentication Code (HMAC).
Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Bidirectional authentication provides stronger safeguards to validate the...Rule Medium Severity -
SRG-APP-000395-NDM-000310
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The Cisco switch must be configured to encrypt SNMP messages using a FIPS 140-2 approved algorithm.
Without the strong encryption that is provided by the SNMP Version 3 User-based Security Model (USM), an unauthorized user can gain access to network management information that can be used to crea...Rule Medium Severity -
SRG-APP-000395-NDM-000347
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SRG-APP-000411-NDM-000330
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SRG-APP-000412-NDM-000331
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The Cisco switch must be configured to implement cryptographic mechanisms to protect the confidentiality of remote maintenance sessions.
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. If unsecured protocols (lacking cryp...Rule High Severity -
SRG-APP-000435-NDM-000315
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The Cisco switch must be configured to protect against known types of denial-of-service (DoS) attacks by employing organization-defined security safeguards.
DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity. This require...Rule Medium Severity -
SRG-APP-000499-NDM-000319
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The Cisco switch must be configured to generate log records when administrator privileges are deleted.
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-000503-NDM-000320
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SRG-APP-000504-NDM-000321
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The Cisco switch must be configured to generate log records for privileged activities.
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-000516-NDM-000336
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The Cisco switch must be configured to use at least two authentication servers to authenticate users prior to granting administrative access.
Centralized management of user accounts and authentication increases the administrative access to the switch. This control is particularly important protection against the insider threat. With ro...Rule High Severity
Node 2
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