Cisco ASA NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco ASA must be configured to enforce password complexity by requiring that at least one uppercase character be used.
Use of a complex passwords 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 resisti...Rule Medium Severity -
SRG-APP-000167-NDM-000255
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SRG-APP-000375-NDM-000300
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SRG-APP-000168-NDM-000256
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SRG-APP-000169-NDM-000257
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The Cisco ASA 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 -
SRG-APP-000170-NDM-000329
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SRG-APP-000190-NDM-000267
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The Cisco ASA must be configured to record time stamps for audit records that meet a granularity of one second for a minimum degree of precision.
Without sufficient granularity of time stamps, it is not possible to adequately determine the chronological order of records. Time stamps generated by the application include date and time. Granula...Rule Medium Severity -
SRG-APP-000343-NDM-000289
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The Cisco ASA must be configured to audit the execution of privileged functions.
Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and...Rule Medium Severity -
SRG-APP-000357-NDM-000293
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The Cisco ASA must be configured to allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.
In order 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...Rule Medium Severity -
SRG-APP-000360-NDM-000295
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The Cisco ASA must be configured to generate an immediate real-time alert of all audit failure events requiring real-time alerts.
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 ASA must be configured to encrypt Simple Network Management Protocol (SNMP) messages using a FIPS 140-2 approved algorithm.
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-000347
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SRG-APP-000411-NDM-000330
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The Cisco ASA must be configured to use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of non-local maintenance and diagnostic communications.
Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be relied upon to provide confidentiality or integrity, and DoD data may be ...Rule High Severity -
SRG-APP-000412-NDM-000331
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SRG-APP-000435-NDM-000315
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The Cisco ASA must be configured to protect against known types of denial-of-service (DoS) attacks by enabling the Threat Detection feature.
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-000495-NDM-000318
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The Cisco ASA must be configured to generate audit records when successful/unsuccessful attempts to modify administrator 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 -
SRG-APP-000499-NDM-000319
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The Cisco ASA must be configured to generate audit records when successful/unsuccessful attempts to delete administrator 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 -
SRG-APP-000503-NDM-000320
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The Cisco ASA must be configured to generate audit records when successful/unsuccessful logon attempts 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 -
SRG-APP-000504-NDM-000321
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SRG-APP-000505-NDM-000322
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The Cisco ASA must be configured to generate audit records showing starting and ending time for administrator access to the system.
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-000506-NDM-000323
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The Cisco ASA must be configured to generate audit records when concurrent logons from different workstations 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 -
SRG-APP-000516-NDM-000336
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The Cisco ASA must be configured to use at least two authentication servers to authenticate users prior to granting administrative access.
Centralized management of authentication settings increases the security of remote and non-local access methods. This control is particularly important protection against the insider threat. With r...Rule High Severity -
SRG-APP-000516-NDM-000340
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SRG-APP-000516-NDM-000344
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The Cisco ASA 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 -
SRG-APP-000516-NDM-000350
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The Cisco ASA must be configured to send log data to at least two central log servers for the purpose of forwarding alerts to organization-defined personnel and/or the firewall administrator.
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-000516-NDM-000351
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The Cisco ASA must be running an operating system 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.Rule High Severity
Node 2
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