Cisco ISE RADIUS Integration with AuthPoint

Deployment Overview

This document describes how to set up multi-factor authentication (MFA) for Cisco® ISE with AuthPoint as an identity provider. Cisco ISE must already be configured and deployed before you set up MFA with AuthPoint.

Integration Summary

The hardware and software used in this guide include:

  • Cisco ISE v2.4.0.357
  • AuthPoint Gateway v5.3.1.184

Cisco ISE Configuration for RADIUS Authentication

AuthPoint communicates with various cloud-based services and service providers with the RADIUS protocol. This diagram shows an overview of the configuration required for RADIUS authentication.

Topy diagram

Before You Begin

Before you begin these procedures, make sure that:

  • You have finished the initialization configure of Cisco ISE
  • A token is assigned to a user in AuthPoint

We recommend that you install the AuthPoint Gateway before you begin. For detailed steps, see About Gateways.

Configure Cisco ISE

  1. Log in to your Cisco ISE server.
  2. Select Administration > External Identity Sources.
  3. Select RADIUS Token. Click Add.
  4. In the Name text box, type a name for the RADIUS token identity source. In our example, we name the identity source AuthPointGW.

    Screen shot of the RADIUS Token Identity Sources

  5. Select the Connection tab.
  6. In the Host IP text box, type the IP address of the AuthPoint Gateway. In our example, the IP address is 192.168.1.100.
  7. In the Shared Secret text box, type a shared secret key to use for communication with the RADIUS server (AuthPoint Gateway). You must use this same shared secret when you configure a RADIUS resource in AuthPoint in the Add a RADIUS Resource in AuthPoint section.

    Screen shot of the RADIUS Token Identity Sources

  8. Click Submit to save your RADIUS token identity source. Leave the default value for other settings.

    Screen shot of the RADIUS Token Identity Sources

  9. Select Administration > System > Authentication > Authentication Method.
  10. For Authentication Type , select Password Based.
  11. From the Identity Source drop-down list, select the RADIUS token identity source you created. In our example, we select the AuthPointGW identity source.

    Screen shot of the RADIUS Token Identity Sources

  12. Click Save.

Configure AuthPoint

Before AuthPoint can receive authentication requests from Cisco ISE, you must specify Cisco ISE as a RADIUS client resource in AuthPoint. You must also create an authentication policy for the Cisco ISE resource and you must bind the Cisco ISE resource to the AuthPoint Gateway.

Add a RADIUS Resource in AuthPoint

From the AuthPoint management UI:

  1. From the navigation menu, select Resources.
  2. From the Choose a Resource Type drop-down list, select RADIUS Client. Click Add Resource.

  1. In the Name text box, type a name for this resource.
  2. In the RADIUS client trusted IP or FQDN text box, type the Cisco ISE IP address.
  3. In the Value sent for RADIUS attribute 11 (Filter-Id) drop-down list, select User's AuthPoint group.
  4. In the Shared Secret text box, type the shared secret that you configured for the Cisco ISE in the previous section.

Screenshot of AuthPoint Resources

  1. Click Save.

Add a Group in AuthPoint

You must have at least one user group in AuthPoint to configure MFA. If you already have a group, you do not have to add another group.

To add a group to AuthPoint:

  1. From the navigation menu, select Groups.
  2. Click Add Group.
    The New Group page appears.

Screenshot that shows the Groups page.

  1. In the Name text box, type a descriptive name for the group.
  2. (Optional) In the Description text box, type a description of the group.

Screen shot of the New Group page.

  1. Click Save.
    Your group is listed on the Groups page.

Screenshot of the Save button on the New Group page.

Add an Authentication Policy to AuthPoint

Authentication policies specify which resources users can authenticate to and which authentication methods they can use (Push, QR code, and OTP).

You must have at least one authentication policy in AuthPoint that includes the Cisco ISE resource. If you already have authentication policies, you do not have to create a new authentication policy. You can add this resource to your existing authentication policies.

Users that do not have an authentication policy for a specific resource cannot authenticate to log in to that resource.

To configure an authentication policy:

  1. From the navigation menu, select Authentication Policies.
  2. Click Add Policy.

Screenshot of the Add Policy button on the Authentication Policies page.

  1. Type a name for this policy.
  2. From the Select the authentication options drop-down list, select Authentication options and select which authentication options users can choose from when they authenticate.

    If you enable the push and OTP authentication methods for a policy, RADIUS resources associated with that policy will use push notifications to authenticate users.

    QR code authentication is not supported for RADIUS resources.

  1. Select which groups this policy applies to. You can select more than one group. To configure this policy to apply to all groups, select All Groups.
  2. Select the resource that you created in the previous section. If you want this policy to apply to additional resources, select each resource this policy applies to. To configure this policy to apply to all resources, select All Resources.

Screenshot of the Add Policy page with the groups and resources selected

  1. (Optional) If you have configured policy objects such as a Network Location, select which policy objects apply to this policy. When you add a policy object to a policy, the policy only applies to user authentications that match the conditions of the policy objects. For example, if you add a Network Location to a policy, the policy only applies to user authentications that come from that Network Location. Users who only have a policy that includes a Network Location do not get access to the resource when they authenticate outside of that Network Location (because they do not have a policy that applies, not because authentication is denied).

    For RADIUS authentication, policies that have a Network Location do not apply because AuthPoint does not have the IP address of the user.

    If you configure policy objects, we recommend that you create a second policy for the same groups and resources without the policy objects. The policy with the policy objects should have a higher priority.

Screenshot of the Policy Objects drop-down list.

  1. Click Save.
    Your policy is created and added to the end of the policy list.

    When you create a new policy, we recommend that you review the order of your policies. AuthPoint always adds new policies to the end of the policy list.

Screenshot of the Save button on the Add Policy page.

Bind the RADIUS Resource to a Gateway

To use RADIUS authentication with AuthPoint, you must have the AuthPoint Gateway installed on your corporate network and you must assign your RADIUS resources to the Gateway in the AuthPoint management UI. The Gateway functions as a RADIUS server.

If you have not already configured and installed the AuthPoint Gateway, see About Gateways.

To assign your RADIUS resources to the Gateway:

  1. From the navigation menu, select Gateway.
  2. Select the Name of the Gateway.
  3. In the RADIUS section, in the Port text box, type the port number used to communicate with the Gateway. The default ports are 1812 and 1645.

    If you already have a RADIUS server installed that uses port 1812 or 1645, you must use a different port for the AuthPoint Gateway.

  4. In the Select a RADIUS resource drop-down list, select your RADIUS client resource.
  5. Click Save.

Add Users to AuthPoint

Before you assign users to a group, you must add the users to AuthPoint. There are two ways to add AuthPoint user accounts:

  • Sync users from an external user database
  • Add local AuthPoint users

Each user must be a member of a group. You must add at least one group before you can add users to AuthPoint.

Test AuthPoint MFA

To test MFA with Cisco ISE, you can authenticate with the mobile token on your mobile device. For RADIUS authentication, you can authenticate with a push notification or a one-time password (OTP).

In this example, we show the OTP authentication method (users append the OTP for their token to their password).

  1. In a web browser, go to the Cisco ISE URL
  2. From the Identity Source drop-down list, select the RADIUS token identity source you created in the Configure Cisco ISE section. In our example, we select the AuthPointGW identity source.

    Screenshot of the Cisco ISE login screen

  3. In the Username text box, type your user name.
  4. In the Password text box, type your password and the OTP for your token (shown in the AuthPoint mobile app). Do not add a space between your password and your OTP.
  5. Click Login.
    You are logged in successfully.