Category Archives: OWIN

Trying IdentityServer

We have a demo instance of IdentityServer3 on https://demo.identityserver.io. I already used this for various samples (e.g. the OpenID Connect native clients) – and it makes it easy to try IdentityServer with your clients without having to deploy and configure … Continue reading

Posted in ASP.NET, IdentityServer, OpenID Connect, OWIN, Uncategorized, WebAPI | 2 Comments

Reference Tokens and Introspection

Access tokens can come in two shapes: self-contained and reference. Self-contained tokens are using a protected, time-limited data structure that contains metadata and claims to communicate the identity of the user or client over the wire. A popular format would … Continue reading

Posted in .NET Security, ASP.NET, IdentityServer, Katana, OAuth, OWIN, Uncategorized, WebAPI | 23 Comments

IdentityServer3 v2.2

Yesterday we published v2.2 to nuget and github. You can see the release notes here. Besides a couple of bug fixes and refinements – the big features are support for the introspection specification (rfc 7662) and the OpenID Connect HTTP-based … Continue reading

Posted in .NET Security, ASP.NET, IdentityServer, Katana, OAuth, OpenID Connect, OWIN, Uncategorized, WebAPI | 5 Comments

IdentityServer3 Logging & Monitoring using Serilog and Seq

IdentityServer has two fundamental “monitoring” facilities : development-time logging and production-time eventing. The original docs are here. Logging is for developers – in fact – when I start a new IdentityServer3 project, that’s the first thing I configure. For security reasons (and … Continue reading

Posted in .NET Security, ASP.NET, IdentityServer, OAuth, OpenID Connect, OWIN, WebAPI | 8 Comments

The State of Security in ASP.NET 5 and MVC 6: OAuth 2.0, OpenID Connect and IdentityServer

ASP.NET 5 contains a middleware for consuming tokens – but not anymore for producing them. I personally have never been a big fan of the Katana authorization server middleware (see my thoughts here) – and according to this, it seems … Continue reading

Posted in .NET Security, ASP.NET, IdentityServer, OAuth, OpenID Connect, OWIN, WebAPI | 17 Comments

Federated Logout with the Katana WS-Federation Middleware

For some reason the Katana WS-Fed middleware does not seem to implement signout cleanup. This means that your application will ignore federated signout callbacks from the STS which will result in resources like logon cookies not being cleaned up properly. … Continue reading

Posted in .NET Security, ASP.NET, Katana, OWIN | 1 Comment

Three days of Identity & Access Control Workshop at SDD Deep Dive – November 2015, London

As part of the SDD Deep Dive event in London – Brock and I will deliver an updated version of our “Identity & Access Control for modern Web Applications and APIs” workshop. For the first time, this will be a … Continue reading

Posted in .NET Security, IdentityServer, Katana, OAuth, OpenID Connect, OWIN, WebAPI | Leave a comment