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Category Archives: IdentityServer
IdentityServer4 v2
Wow – this was probably our biggest update ever! Version 2.0 of IdentityServer4 is not only incorporating all the feedback we got over the last year, it also includes the necessary updates for ASP.NET Core 2 – and also has … Continue reading
Posted in .NET Security, ASP.NET Core, IdentityServer, OpenID Connect, WebAPI
4 Comments
Security Advisory for IdentityServer3
One of our users reported an XSS vulnerability in one of our views, which can be potentially used for information disclosure. We confirmed this bug and fixed it. Here’s the official CVE entry. We encourage you to upgrade if possible. … Continue reading
Posted in IdentityServer, Uncategorized
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Authorization is hard! Slides and Video from NDC Oslo 2017
A while ago I wrote a controversial article about the problems that can arise when mixing authentication and authorization systems – especially when using identity/access tokens to transmit authorization data – you can read it here. In the meanwhile Brock … Continue reading
Posted in .NET Security, ASP.NET Core, IdentityServer, OAuth, OpenID Connect, WebAPI
19 Comments
Techorama 2017
Again Techorama was an awesome conference – kudos to the organizers! Seth and Channel9 recorded my talk and also did an interview – so if you couldn’t be there in person, there are some updates about IdentityServer4 and identity in general.
Posted in .NET Security, ASP.NET Core, IdentityServer, OAuth, OpenID Connect, WebAPI
2 Comments
Financial APIs and IdentityServer
Right now there is quite some movement in the financial sector towards APIs and “collaboration” scenarios. The OpenID Foundation started a dedicated working group on securing Financial APIs (FAPIs) and the upcoming Revised Payment Service EU Directive (PSD2 – official … Continue reading
Posted in .NET Security, ASP.NET Core, IdentityServer, OAuth, OpenID Connect, Uncategorized, WebAPI
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IdentityServer & Heidelberg on Channel9
Seth and the Channel9 crew visited me in my office in Heidelberg to learn about IdentityServer and German culture. We had a nice day in Heidelberg involving identity, a whiteboard, code, beers & bratwurst ;) enjoy. Part 1 (interview and … Continue reading
dotnet new Templates for IdentityServer4
The dotnet CLI includes a templating engine that makes it pretty straightforward to create your own project templates (see this blog post for a good intro). This new repo is the home for all IdentityServer4 templates to come – right … Continue reading
Posted in .NET Security, ASP.NET Core, IdentityServer, OAuth, OpenID Connect, WebAPI
2 Comments
New in IdentityServer4: Events
Well – not really new – but redesigned. IdentityServer4 has two diagnostics facilities – logging and events. While logging is more like low level “printf” style – events represent higher level information about certain logical operations in IdentityServer (think Windows security … Continue reading
Posted in ASP.NET Core, IdentityServer, OAuth, OpenID Connect, Uncategorized, WebAPI
3 Comments
Extending IdentityServer4 with WS-Federation Support
When we designed IdentityServer4, we wanted to make it easier to extend the core token service with custom protocol endpoints. So one thing that comes up every now and then is using IdentityServer4 as an identity provider for SharePoint and … Continue reading
Posted in .NET Security, ASP.NET, IdentityServer
4 Comments
NDC London 2017
As always – NDC was a very good conference. Brock and I did a workshop, two talks and an interview. Here are the relevant links: Building JavaScript and mobile/native Clients for Token-based Architectures IdentityServer4: New & Improved for ASP.NET Core … Continue reading
Posted in .NET Security, ASP.NET, IdentityModel, IdentityServer, OAuth, OpenID Connect, WebAPI
3 Comments
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