Category Archives: WebAPI

Bootstrapping OpenID Connect: Discovery

OpenID Connect clients and APIs need certain configuration values to initiate the various protocol requests and to validate identity and access tokens. You can either hard-code these values (e.g. the URL to the authorize and token endpoint, key material etc..) … Continue reading

Posted in OAuth, OpenID Connect, WebAPI | Leave a comment

Trying IdentityServer4

We have a number of options how you can experiment or get started with IdentityServer4. Starting point It all starts at https://identityserver.io – from here you can find all below links as well as our next workshop dates, consulting, production … Continue reading

Posted in .NET Security, ASP.NET, IdentityServer, OAuth, OpenID Connect, WebAPI | 3 Comments

IdentityServer4.1.0.0

It’s done. Release notes here. Nuget here. Docs here. I am off to holidays. See you next year.

Posted in .NET Security, ASP.NET, OAuth, OpenID Connect, WebAPI | 3 Comments

IdentityServer4 is now OpenID Certified

As of today – IdentityServer4 is official certified by the OpenID Foundation. Release of 1.0 will be this Friday! More details here.

Posted in .NET Security, OAuth, WebAPI | 2 Comments

Identity vs Permissions

We often see people misusing IdentityServer as an authorization/permission management system. This is troublesome – here’s why. IdentityServer (hence the name) is really good at providing a stable identity for your users across all applications in your system. And with … Continue reading

Posted in .NET Security, IdentityServer, OAuth, OpenID Connect, WebAPI | 31 Comments

Optimizing Identity Tokens for size

Generally speaking, you want to keep your (identity) tokens small. They often need to be transferred via length constrained transport mechanisms – especially the browser URL which might have limitations (e.g. 2 KB in IE). You also need to somehow store the … Continue reading

Posted in .NET Security, IdentityServer, OpenID Connect, WebAPI | 2 Comments

IdentityServer4 and ASP.NET Core 1.1

aka RC5 – last RC – promised! The update from ASP.NET Core 1.0 (aka LTS – long term support) to ASP.NET Core 1.1 (aka Current) didn’t go so well (at least IMHO). There were a couple of breaking changes both … Continue reading

Posted in ASP.NET, OAuth, OpenID Connect, WebAPI | 3 Comments