Starling Two-Factor Authentication Hosted - Starling Two-Factor AD FS Adapter Administrator Guide

Overview

One Identity Starling Two-Factor AD FS Adapter integrates with Microsoft Active Directory Federation Services (AD FS) 3.0 to add two-factor authentication to services using browser-based federated logins. Starling Two-Factor AD FS Adapter supports relying parties that use Microsoft WS-Federation protocol, like Office 365, as well as SAML 2.0 federated logons for cloud applications like Google Apps and salesforce.com. Starling Two-Factor AD FS Adapter with AD FS 3.0 supports Windows Server 2012 R2.

Prerequisites

Before installing Starling Two-Factor AD FS Adapter, verify the following:

  • Microsoft .NET Framework 4.6.1 or later is installed

  • PowerShell 4.0 or later is installed

  • AD FS role is installed and the AD FS service is running

  • The federated logins to the relying parties are working

  • A valid phone number and email id is configured in Active Directory for the user

Connectivity requirements

After verifying and setting up the prerequisites, do the following:

  1. Request Starling Two-Factor Authentication subscription.

  2. Log in to Starling Two-Factor Authentication Dashboard and get the subscription key (required for Starling Two-Factor AD FS Adapter installation).

Starling Two-Factor AD FS Adapter communicates with Starling Two-Factor Authentication on SSL/TCP port 443. As the IP addresses can change over time, you must not lock down the firewall to individual IP addresses.

Deployment Overview

Starling Two-Factor AD FS Adapter adds multi-factor authentication (MFA) that provides a two-factor authentication prompt to web-based logins through AD FS server or Web Application Proxy. After completing the primary AD FS server authentication (by any standard means such as Windows Integrated or Forms-Based), you have to complete Starling Two-Factor authentication challenge before getting redirected to the relying party. If the deployment is in an AD FS farm, install Starling Two-Factor AD FS Adapter on all AD FS servers in the farm.

 

 

After the installation of Starling Two-Factor AD FS Adapter on the AD FS servers in the farm, while configuring the multi-factor authentication policies, select the MFA location (Internal access or External access or both as per the requirement). If you require two-factor authentication for External access locations, a Web Application Proxy is required and you do not have to install Starling Two-Factor AD FS Adapter on the Web Application Proxy server.

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