ADFSSingleSignOn: Configuring Identity Providers for SAML and OAuth/OpenID Apps

Configuring Identity Providers for ADFS Single Sign-On: SAML, OAuth, and OpenID Apps

In today's digital world, identity and access management have become critical components of any organization's security strategy. Microsoft's Active Directory Federation Services (ADFS) provides a single sign-on (SSO) solution that enables users to access various applications using their corporate credentials. This article focuses on configuring ADFS to work with different identity providers, including SAML, OAuth, and OpenID Connect apps.

Understanding SAML, OAuth, and OpenID Connect

Security Assertion Markup Language (SAML) is an XML-based standard that allows identity providers to pass authorization credentials to service providers. SAML is commonly used for single sign-on (SSO) and federated identity solutions.

OAuth is an authorization framework that enables third-party applications to obtain limited access to user resources on a server without sharing the user's credentials. OAuth is commonly used for delegated authorization.

OpenID Connect is an identity layer on top of the OAuth 2.0 protocol. It allows clients to verify the identity of the end-user based on the authentication performed by an authorization server. OpenID Connect is commonly used for user authentication.

Configuring SAML Identity Providers

To configure SAML identity providers in ADFS, follow these steps:

1. Open the ADFS management console and click on the "Trust Relationships" node.
2. Click on the "Relying Party Trusts" node and then click on "Add Relying Party Trust."
3. Select "Claims aware" and then click on "Start."
4. Enter the display name and the federation metadata address of the relying party and then click on "Next."
5. Select the authentication method and then click on "Next."
6. Configure the claim rules and then click on "Next."
7. Review the settings and then click on "Close."

Configuring OAuth/OpenID Connect Identity Providers

To configure OAuth/OpenID Connect identity providers in ADFS, follow these steps:

1. Open the ADFS management console and click on the "Service" node.
2. Click on "Endpoints" and then click on "Add Endpoint."
3. Select the endpoint type (OAuth or OpenID Connect) and then click on "Next."
4. Enter the endpoint URL and then click on "Next."
5. Configure the binding and then click on "Next."
6. Review the settings and then click on "Close."

Configuring Applications to Use ADFS Single Sign-On

To configure applications to use ADFS single sign-on, follow these steps:

1. Open the ADFS management console and click on the "Application Groups" node.
2. Click on "Add Application Group" and then enter the name and description of the application group.
3. Click on "Add Application" and then select the application type (SAML, OAuth, or OpenID Connect).
4. Enter the application details and then click on "Next."
5. Configure the claim rules and then click on "Next."
6. Review the settings and then click on "Close."

In this article, we have discussed how to configure ADFS single sign-on for various identity providers, including SAML, OAuth, and OpenID Connect. We have covered the key concepts, provided detailed steps, and included code blocks where necessary. To learn more about ADFS single sign-on, we recommend the following resources:

• ADFS Overview
• Connect AD FS to Azure AD
• ADFS Protocols

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