Set up Nexus OTP as 2FA for Palo Alto

Network schematic with Nexus TruID Synchronized as an example.

1. The end user starts the TruID client and enters the PIN in TruID to generate an OTP.
2. Palo Alto Firewall request the end user to enter username, password and OTP.
3. The end user enters username, domain password and OTP.
4. The domain credentials are validated by the Active Directory.
5. The OTP authentication request is relayed to Digital Access Authentication Server via RADIUS.
6. The authentication server validates the OTP with the associated TruID token and PIN from the user database.
7. Upon successful validation, the authentication server responds with successful authentication to Palo Alto Firewall.

Palo Alto Firewall provides access to the end user.

• Deployed Digital Access, see Deploy Digital Access component
• Installed Palo Alto Firewall, see https://www.paloaltonetworks.com/

1. Log in to Digital Access Admin with an administrator account.

In step 3, enter the IP Address of the RADIUS Client (Palo Alto Firewall) and the Shared Secret Key.

1. In Digital Access Admin, go to Manage System.
2. Click RADIUS Configuration > Add RADIUS Client...
3. Enter General Settings and Attributes. Click the ?-sign for help.
4. Click Save.

Nexus TruID Synchronized is used as an example. Other Nexus OTP authentication methods are enabled in a similar way.

• In step 3, select Nexus Synchronized as method.
• When the default RADIUS replies are shown, click Next. You can also add your custom RADIUS replies or modify the default replies if required.

To add a new authentication method:

1. In Digital Access Admin, go to Manage System.
   
2. Click Authentication Methods.

3. Click Add authentication method..., select the desired method and click Next.

4. Enter Display Name, a unique name used in the system to identify the authentication method.
5. Select if the method shall be enabled and if it shall be visible in authentication menu.
   
6. Register Authentication Methods Server when applicable.
   
7. Make other configurations as needed for the selected authentication method. For more information , click the ?-sign. Click Next.
8. If needed, make settings in RADIUS Replies and Extended Properties.
9. Click Next and Finish.
10. Click Publish.
    

1. Log in to the Palo Alto Firewall GlobalProtect Portal.

2. Navigate to Portal Configuration.
   

   

3. Select Authentication Profile and click OK.

4. In the General tab, select Authentication Profile and click OK.
   

   

5. In the Authentication Profile pop up you create an authentication profile and enter the details.

   

6. In the RADIUS Server Profile pop up you define the Server IP, Secret and Port number.