A customer requires a secure solution for connecting remote users to the corporate main site. You are designing a client-to-site virtual private network (VPN) based on Aruba VIA and Aruba Mobility Controllers acting as VPN Concentrators (VPNCs). Remote users will first use the VIA client to contact the VPNCs and obtain connection settings.The users should only be allowed to receive the settings if they are the customer's "RemoteEmployees" AD group. After receiving the settings, the VIA clients will automatically establish VPN connections, authenticating to CPPM with certificates.What should you do to help ensure that only authorized users obtain VIA connection settings?
Answer(s): A
The VIA web authentication profile is used to authenticate the users who want to download the VIA connection settings from the VPNCs. The VPNCs can use either an internal database or an external server (such as RADIUS or LDAP) as the authentication source for this profile. To ensure that only authorized users obtain VIA connection settings, you should use CPPM as the external server and configure a service on CPPM that uses AD as the authentication source. This way, you can leverage the role mapping and enforcement features of CPPM to check if the users belong to the "RemoteEmployees" AD group and grant or deny them access accordingly1 The other options are not correct because they do not allow you to verify the users' AD group membership before providing them with VIA connection settings. Option B would only check the users' credentials against AD, but not their group membership. Option C would only apply to the VPN connection phase, not the VIA connection settings phase. Option D would not work because theVPNCs do not support LDAP as an authentication source for VIA connection profiles2
1: Configuring the VIA Controller - Aruba, section "Configuring VIA Web Authentication Profile" 2:Configuring VIA Connection Profile - Aruba, section "Configuring Authentication Profile"
Refer to the scenario.A customer is migrating from on-prem AD to Azure AD as its sole domain solution. The customer also manages both wired and wireless devices with Microsoft Endpoint Manager (Intune).The customer wants to improve security for the network edge. You are helping the customer design a ClearPass deployment for this purpose. Aruba network devices will authenticate wireless and wired clients to an Aruba ClearPass Policy Manager (CPPM) cluster (which uses version 6.10).The customer has several requirements for authentication. The clients should only pass EAP-TLS authentication if a query to Azure AD shows that they have accounts in Azure AD. To further refine the clients' privileges, ClearPass also should use information collected by Intune to make access control decisions.The customer wants you to configure CPPM to collect information from Intune on demand during the authentication process.What should you tell the Intune admins about the certificates issued to clients?
Answer(s): B
To configure CPPM to collect information from Intune on demand during the authentication process, you need to use the Intune extension for ClearPass. This extension allows ClearPass to query Intune for device compliance and configuration information using the Intune API. To use this extension, you need to register an app in Azure AD and grant it the required permissions to access Intune1 The Intune extension uses the device ID as the key to query Intune for device information. The device ID is a unique identifier that is assigned by Intune to each enrolled device. The device ID can be obtained from the client certificate that is used for EAP-TLS authentication. Therefore, the certificates issued to clients must include the Intune ID in the subject name, so that ClearPass can extract it and use it to query Intune2The certificates issued to clients do not need to be issued by a well-known, trusted CA, as long as ClearPass trusts the CA that issued them. The certificates do not need to include the client MAC address in the subject name, as this is not relevant for querying Intune. The certificates do not need to be issued by a ClearPass Onboard CA, as this is not a requirement for using the Intune extension.
1: ClearPass Extensions - Microsoft Intune Integration - Aruba, section "Configuring Microsoft Extension in ClearPass" 2: ClearPass Extensions - Microsoft Intune Integration - Aruba, section "Configuring EAP-TLS Authentication"
Refer to the scenario.A customer is migrating from on-prem AD to Azure AD as its sole domain solution. The customer also manages both wired and wireless devices with Microsoft Endpoint Manager (Intune). The customer wants to improve security for the network edge. You are helping the customer design a ClearPass deployment for this purpose. Aruba network devices will authenticate wireless and wired clients to an Aruba ClearPass Policy Manager (CPPM) cluster (which uses version 6.10). The customer has several requirements for authentication. The clients should only pass EAP-TLS authentication if a query to Azure AD shows that they have accounts in Azure AD. To further refine the clients' privileges, ClearPass also should use information collected by Intune to make access control decisions.You are planning to use Azure AD as the authentication source in 802.1X services.What should you make sure that the customer understands is required?
To use Azure AD as the authentication source in 802.1X services, you need to configure CPPM as a SAML service provider and Azure AD as a SAML identity provider. This allows CPPM to use Azure AD for user authentication and role mapping. To do this, you need to create an app registration on Azure AD that references the CPPM's FQDN as the reply URL and the entity ID. You also need to grant the app registration the required permissions to access user information from Azure AD1
You are configuring gateway IDS/IPS settings in Aruba Central. For which reason would you set the Fail Strategy to Bypass?
The Fail Strategy is a configuration option for the IPS mode of inspection on Aruba gateways. It defines the action to be taken when the IPS engine crashes and cannot inspect the traffic. There are two possible options for the Fail Strategy: Bypass and Block1 If you set the Fail Strategy to Bypass, you are telling the gateway to allow the traffic to flow without inspection when the IPS engine fails. This option ensures that there is no disruption in the network connectivity, but it also exposes the network to potential threats that are not detected or prevented by the IPS engine1If you set the Fail Strategy to Block, you are telling the gateway to stop the traffic flow until the IPS engine resumes inspection. This option ensures that there is no compromise in the network security, but it also causes a loss of network connectivity for the duration of the IPS engine failure1
How does Aruba Central handle security for site-to-site connections between AOS 10 gateways?
Aruba Central supports site-to-site VPNs between AOS 10 gateways, which are Aruba devices that provide routing, firewall, and VPN functions. Aruba Central can automatically provision and manage the site-to-site VPNs using the VPN Manager feature. The VPN Manager allows you to create VPN groups that consist of one or more hubs and branches, and define the VPN settings for each group1 Aruba Central uses IPsec as the protocol to secure the site-to-site connections between the AOS 10 gateways. IPsec is a standard protocol that provides encryption, authentication, and integrity for IP packets. Aruba Central automatically establishes IPsec tunnels for all site-to-site connections using keys that are securely distributed by Central. The keys are generated by Central and pushed to the gateways using a secure channel. The keys are rotated periodically to enhance security2
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