HPE Aruba Networking AOS Wireless Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000062
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SRG-NET-000069
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AOS must protect wireless access to the network using authentication of users and/or devices.
Allowing devices and users to connect to the system without first authenticating them allows untrusted access and can lead to a compromise or attack. The security boundary of a wireless local area...Rule Medium Severity -
SRG-NET-000070
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The network element must protect wireless access to the system using Federal Information Processing Standard (FIPS)-validated Advanced Encryption Standard (AES) block cipher algorithms with an approved confidentiality mode.
Allowing devices and users to connect to the system without first authenticating them allows untrusted access and can lead to a compromise or attack. Because wireless communications can be intercep...Rule Medium Severity -
SRG-NET-000131
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SRG-NET-000193
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AOS must manage excess bandwidth to limit the effects of packet flooding types of denial-of-service (DoS) attacks.
A network element experiencing a DoS attack will not be able to handle production traffic load. The high utilization and CPU caused by a DoS attack will also have an effect on control keep-alives a...Rule Medium Severity -
SRG-NET-000338
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AOS must require devices to reauthenticate when organization-defined circumstances or situations requiring reauthentication.
Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity on the network. In addition to the reauthentication requirements associa...Rule Medium Severity -
SRG-NET-000343
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The network element must authenticate all network-connected endpoint devices before establishing any connection.
Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. For distributed architectures (e.g., service-oriented architectures), th...Rule Medium Severity -
SRG-NET-000352
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SRG-NET-000369
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AOS, in conjunction with a remote device, must prevent the device from simultaneously establishing nonremote connections with the system and communicating via some other connection to resources in external networks.
Split tunneling would in effect allow unauthorized external connections, making the system more vulnerable to attack and to exfiltration of organizational information. This requirement applies to ...Rule Medium Severity -
SRG-NET-000070
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SRG-NET-000512
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The site must conduct continuous wireless Intrusion Detection System (IDS) scanning.
DOD networks are at risk and DOD data could be compromised if wireless scanning is not conducted to identify unauthorized wireless local area network (WLAN) clients and access points connected to o...Rule Medium Severity -
SRG-NET-000131
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AOS, when configured as a WLAN bridge, must not be configured to have any feature enabled that calls home to the vendor.
Call-home services will routinely send data such as configuration and diagnostic information to the vendor for routine or emergency analysis and troubleshooting. There is a risk that transmission...Rule Medium Severity -
SRG-NET-000205
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SRG-NET-000512
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AOS wireless local area network (WLAN) service set identifiers (SSIDs) must be changed from the manufacturer's default to a pseudo random word that does not identify the unit, base, organization, etc.
An SSID that identifies the unit, site, or purpose of the WLAN or is set to the manufacturer default may cause an operational security vulnerability.Rule Low Severity -
AOS must use Transport Layer Security (TLS) 1.2, at a minimum, to protect the confidentiality of sensitive data during electronic dissemination using remote access.
Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and unknown attacks that exploit vulnerabilities in this protocol. This requ...Rule Medium Severity -
AOS must be configured to disable nonessential capabilities.
It is detrimental for network elements to provide, or enable by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked ...Rule Medium Severity -
AOS must use cryptographic algorithms approved by the National Security Agency (NSA) to protect national security systems (NSS) when transporting classified traffic across an unclassified network.
Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. National Institute of Standards and Technology (NIST) cryptographic algorithms are approv...Rule Medium Severity -
When AOS is used as a wireless local area network (WLAN) controller, WLAN Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) implementation must use certificate-based public key infrastructure (PKI) authentication to connect to DOD networks.
DOD certificate-based PKI authentication is strong, two-factor authentication that relies on carefully evaluated cryptographic modules. Implementations of EAP-TLS that are not integrated with certi...Rule Medium Severity -
AOS, when used as a WLAN bridge or controller, must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
The OOBM access switch will connect to the management interface of the managed network elements. The management interface can be a true OOBM interface or a standard interface functioning as the man...Rule Medium Severity
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