HemSök efter kurserIntroduction to IdentityServer and OpenID-Connect

Introduction to IdentityServer and OpenID-Connect

Today we face many authentication and authorization challenges when we’re designing and developing modern applications. The requirements are more challenging than ever, especially when we need to support everything from mobile and SPA applications, to microservices in the cloud.

OpenID Connect is the de-facto standard we should use for handling authentication and authorization in modern applications. However, it can still be very confusing with all the various concepts, including scopes, claims, flows, resources and tokens.



3 dagar


Target audience

ASP.NET Core developers who want to learn the fundamentals of OpenID Connect and how to protect applications using the latest version of IdentityServer. 

In this course, you will learn the following:

  • How OAuth and OpenID Connect work together in detail
  • How to set up an instance of IdentityServer
  • How to secure ASP.NET Core applications using OpenID Connect and IdentityServer

When we go through these things, we will not just configure some obscure magic libraries; instead, we will look under the hood of OpenID Connect and IdentityServer to understand what really makes them tick.

We recommend that you have a good computer that can run multiple instances of Visual Studio and at least one big monitor. In this course, we use ASP.NET Core 7 and IdentityServer 6.

After this course, we recommend you look at the course IdentityServer in Production, where we will teach you how to create a production-ready set-up of IdentityServer.

This course contains a lot of hands-on practical exercises where you will learn how to work with OpenID Connect and the latest version of Duende IdentityServer version 6.


  Basic knowledge of
  • ASP.NET Core
  • C# (LINQ / Lambda…)
  • The HTTP(S) protocol and how the web works in general
  • HTML

Agenda for Introduction to IdentityServer and OpenID-Connect

In this course, we will cover the following:

OAuth 2.1 / OpenID Connect

Certificates and HTTPS

Token services

Duende Identity Server

JSON Web Tokens (JWT)

Scopes and claims

  • Identity resources
  • API resources
  • APIScopes

Securing the tokens

Cross-origin resource sharing (CORS)


  • Implicit flow
  • Authorization code flow
  • Client credentials flow

Proof Key for Code Exchange (PKCE)

External identity providers

Application types:

  • Web applications
  • SPA and mobile applications
  • Server-to-server communication


  • Authentication
  • Cookie authentication
  • Authorization
  • OpenID Connect
  • Claims transformations

And much more…

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