This post describes how to configure OpenID Connect (OIDC) authentication using an external Identity Provider (IdP). With the new release of Red Hat 3scale API Management, version 2.3, it is possible to use any OIDC-compliant IdP during the API authentication phase. This is a very important new feature because it makes it possible to integrate any IdP already present in your environment—without having to use an Identity Broker—thus reducing overall complexity.
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In this article I cover configuring NGINX for OAuth-based Single Sign-On (SSO) using Keycloak/Red Hat SSO. This allows the use of OpenID Connect (OIDC) for federated identity. This configuration is helpful when NGINX is acting as a reverse-proxy server for a backend application server, for example, Tomcat or JBoss, where the authentication is to be performed by the web server.
In this setup, Keycloak will act as an authorization server in OAuth-based SSO and NGINX will be the relaying party. We will be using lua-resty-openidc, which is a library for NGINX implementing the OpenID Connect relying party (RP) and/or the OAuth 2.0 resource server (RS) functionality.
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Need to lock down your Docker registry? Keycloak has you covered.
As of version 3.2.0, Keycloak has the ability to act as an “authorization service” for Docker authentication. This means that the Keycloak IDP server can perform identity validation and token issuance when a Docker registry requires authentication. Administrators may now leverage the same user base, audit controls, and configuration mechanisms in Keycloak to extend their SSO ecosystem past OpenID Connect and SAML to cover Docker registries. The chart below illustrates how this flow works:
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Red Hat 3scale API Management Platform simplifies the integration between APIcast gateway and Red Hat Single Sign-On through OpenID Connect (OIDC) for API authentication. Consequently, the new version enables API provider users to select and configure their API authentication process from the Admin Portal UI.
Continue reading “3scale API Management Simplifies OpenID Connect Integration”