Blog

OpenID Connect vs OAuth 2.0 — what's the difference and when to use each

OAuth 2.0 and OpenID Connect are often confused. Learn what each protocol actually does, the real difference between an access token and an ID token, and which one your application needs.

OAuth 2.0 explained without code — what happens when you click 'Login with Google'

What actually happens when you click 'Login with Google'? OAuth 2.0 explained in plain terms — no code, no jargon, just the flow that powers modern authentication.

How to protect a .NET Web API with tokens — from concept to implementation

Learn how to secure a .NET Web API using OpenIddict token introspection. A practical step-by-step guide from configuration to reading claims, with IdentitySuite as the authorization server.

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Sessions, cookies and tokens — how web authentication really works

Every time you log into a website, a sequence of decisions happens behind the scenes. Learn how sessions, cookies and tokens work, what makes them different, and why modern applications choose tokens.

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What are JWT tokens and why your app needs them

JWT tokens are at the heart of modern authentication. Learn what they are, how they work, and why they have become the standard way for applications to verify identity securely.

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OpenIddict and IdentitySuite

Secure configuration without the complexity

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The pitfalls of configuring OpenIddict from scratch

What can go wrong — and why it matters more than you think

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What is OpenIddict?

The .NET framework developers choose for OAuth 2.0 and OpenID Connect

Deploy IdentitySuite on Docker: Complete Guide with PostgreSQL

Step-by-step guide to deploying IdentitySuite on a Linux Docker container with PostgreSQL. Covers project setup, Dockerfile, docker-compose, and full IS configuration.

IdentitySuite: How to Build Your Own Identity Server

Comprehensive guide to IdentitySuite: a production-ready, self-hosted OpenID Connect/OAuth 2.0 server built on Openiddict and ASP.NET Core Identity.

Introducing IdentitySuite 2.0

Discover all the new features in the latest release.

Authentication Made Easy with IdentitySuite

Add authentication to your SPA, learn how to simply and quickly create your OpenId Connect server using IdentitySuite.