Debugging cookie problems in ASP.NET Core
Having answered over 1000 questions on Stack Overflow, I’ve found that cookie-related issues are a frequent challenge for developers using ASP.NET Core
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BearerToken: The new Authentication handler in ASP.NET Core 8
Microsoft introduced the new BearerToken authentication handler in ASP.NET Core 8 as part of an initiative to streamline and modernize authentication
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Debugging JwtBearer Claim Problems in ASP.NET Core
A common problem when protecting your ASP.NET Core APIs is that expected claims are not found in the user object. In this blog post, I will give you some
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Debugging OpenID Connect Claim Problems in ASP.NET Core
Missing claims in the ClaimsPrincipal user object is a frequent problem when using OpenID Connect authentication in ASP.NET Core. In this blog post, we'll
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Troubleshooting JwtBearer authentication issues in ASP.NET Core
One of the most frequent questions I encounter on Stack Overflow is how to troubleshoot JwtBearer authentication issues in ASP.NET Core. In this post
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IdentityServer - IdentityResource vs. ApiResource vs. ApiScope
Understanding the differences between IdentityResource, ApiResource, and ApiScope in Duende IdentityServer is a common question among developers, often
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I was interviewed by RetroRGB
After my blog post about my Sega Mega Drive project, RetroRGB contacted me and wanted to interview me on their YouTube channel.
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ASP.NET Core 6 - JwtBearer library: what’s new?
As a developer and trainer, it is hard to keep up with all the changes in all the libraries. In this blog post, I will summarize the recent key changes
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How I built my own Sega Mega Drive hardware dev kit from scratch
Over 30 years ago, I decided to take on the challenge of building my own Sega Mega Drive hardware dev kit from scratch. At the time, I was eager to
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TNValidate is now open source
Our internal validation library TNValidate is now available as a project on GitHub. We released this as open source because we wanted to let others take
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