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Anders Abel

@anders.abel.nu
214 followers 159 following 75 posts

Asp.Net and Web Security expert, Microsoft MVP, founder of @sustainsys.com, founder of railtic.com. Been around since 337 ppm.

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Anders Abel @anders.abel.nu · 09/09/2026
Looking forward to next week in Oslo. I'm doing both a workshop and a talk. But most important is all the old and new friends I look forward to meeting.
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Anders Abel @anders.abel.nu · 10/08/2026
He can't help having a little accident... Now give him some treats. Poor Finn must be thinking you don't love him anymore and plan to starve him to death.
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Anders Abel @anders.abel.nu · 25/07/2026
It's per country. In Sweden health care information and some shared self service tools are available at 1177.se. The domain name is the same as the non-emergency phone number for health care assistance.
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Anders Abel @anders.abel.nu · 12/06/2026
Excuse me @expressense.bsky.social, but that is not an Oresjnik missile. Missiles usually do not have a bunch of people attached. I'd love to hear the story about how that image ended up inte article. Maybe some kind of modern automatic tooling? www.expressen.se/nyheter/varl...
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Anders Abel @anders.abel.nu · 18/05/2026
@jonskeet.uk I know you worked hard on the multi-version doc site for Noda Time. I've been prototyping a site that automatically generates docs for any package on Nuget to make it more convenient to publish docs. It's available at nudoc.net. Would love to hear your opinions if this could be useful.
nudoc.net
NuDoc.NET
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Sustainsys @sustainsys.com · 05/03/2026
Duende Software's legendary training on Identity and Access Management was originally created by Dominick Baier and Brock Allen. We're offering the training online/remotely as 6 half-day blocks in EU afternoons/US mornings, starting March 10. Read more and sign up at sustainsys.com/training
sustainsys.com
Training Information
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Anders Abel @anders.abel.nu · 26/01/2026
Did you find out anything more about it?
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Anders Abel @anders.abel.nu · 25/01/2026
I released some new features to NuDoc.NET. It's mostly support for generics and improved cross-linking. I think it's now at a point where it's starting to be usable and not just a proof of concept. The next step is to handle tags inside the docs: paragraphs, lists and resolving links.
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Anders Abel @anders.abel.nu · 25/01/2026
I released some new features to NuDoc.NET. It's mostly support for generics and improved cross-linking. I think it's now at a point where it's starting to be usable and not just a proof of concept. The next step is to handle tags inside the docs: paragraphs, lists and resolving links.
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Anders Abel @anders.abel.nu · 17/01/2026
And opening the package using nuget.info shows it's completely empty.
nuget.info
This application requires Javascript and WebAssembly to be enabled.
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Anders Abel @anders.abel.nu · 17/01/2026
Got one of them. The package had a name containing "test". I'm curious on what the next step would be, how would they utilize this?
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Anders Abel @anders.abel.nu · 16/01/2026
I took some time over the holidays to hack on an idea of a documentation for .NET solutions. There are so many things that can be done, but the first step is to make what already exists available: NuDoc.NET creates cross-linked reference docs for any package on Nuget.org nudoc.net/Docs/Sustain...
nudoc.net
Sustainsys.Saml2 - NuDoc.NET
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Anders Abel @anders.abel.nu · 16/01/2026
I took some time over the holidays to hack on an idea of a documentation for .NET solutions. There are so many things that can be done, but the first step is to make what already exists available: NuDoc.NET creates cross-linked reference docs for any package on Nuget.org nudoc.net/Docs/Sustain...
nudoc.net
Sustainsys.Saml2 - NuDoc.NET
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Anders Abel @anders.abel.nu · 15/01/2026
No, it's not true. The cats stay indoors and are increasingly bored. After two weeks of snow they look at me as if they consider me a possible prey. And that image of a cat in the bed? True that they are in the bed, but they are not still and sleeping. They come trampling at 3 o'clock...
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Anders Abel @anders.abel.nu · 10/01/2026
Two requests that are the same indicate that you are on to something. Would it be something like what the telemetry tools create, but based on static analysis instead of runtime telemetry?
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Anders Abel @anders.abel.nu · 09/01/2026
That would indeed be cool. I guess it could be done both using reflection and by a compile time analyzer. Sounds like some fun to build.
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Anders Abel @anders.abel.nu · 05/01/2026
Writing documentation tends to be pushed to the bottom of the todo list. With C# we got XML comments that promised automatic reference documentation, but it's rarely used and it provides no solution for high level docs. What would your dream solution look like? (I might be working on something).
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Anders Abel @anders.abel.nu · 05/01/2026
Writing documentation tends to be pushed to the bottom of the todo list. With C# we got XML comments that promised automatic reference documentation, but it's rarely used and it provides no solution for high level docs. What would your dream solution look like? (I might be working on something).
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Anders Abel @anders.abel.nu · 03/01/2026
Current Status: "We do these things not because they are easy, but because we thought they were going to be easy." Why did NuGet ever allow a version on the format Maj.Min.Patch.Other? (system.net.http version 2.0.20126.16343)
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Anders Abel @anders.abel.nu · 01/01/2026
Starting the new year with a new blog post: coding.abel.nu/2026/01/net-... It's been years since last time I had inspiration to write anything. Don't take this a s a promise for the rest of the year though.
coding.abel.nu
.NET TargetFramework and Dependencies – Passion for Coding
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Anders Abel @anders.abel.nu · 27/11/2025
Det är snarare pinsamt eftersom det är Interrailpass som de lottar ut och Interrail gäller inte på SL/Roslagsbanan.
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Anders Abel @anders.abel.nu · 15/11/2025
@kevlin.bsky.social Parking payment in Stockholm. To be fair, it's a new system that is not yet operational.
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Sustainsys @sustainsys.com · 07/10/2025
Duende Software's legendary training on Identity and Access Management was originally created by Dominick Baier and Brock Allen. We're offering the training online/remotely as 6 half-day blocks the first two weeks of November. Read more and sign up at sustainsys.com/training
sustainsys.com
Training Information
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Anders Abel @anders.abel.nu · 03/10/2025
Long ago when working with PC support i learnt that there are two types of printers: HP Laserjet (preferably Pro) and those with issues. IMHO it's still true, HP Laserjet just works - including having working drivers. (Just because I said that you probably have an HP LJ).
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Sustainsys @sustainsys.com · 26/09/2025
The Sustainsys Stub Idp at stubidp.sustainsys.com is a great tool for testing your application with a Saml2 Identity provider without having to set one up. We know it's an appreciated tool that is used frequently. But please don't use it for load testing or for AI bots. >
stubidp.sustainsys.com
Sustainsys.Saml2 Stub Idp
A stub idp for testing
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Mattias Karlsson @devlead.se · 24/09/2025
Hey #dotnet friends! 🚀 Swetugg Stockholm 2026 just opened its CFP! Got a story, a war-story, or some shiny code magic to share? The stage is waiting for you 🙌 👉 sessionize.com/swetugg-stoc... #Swetugg #CFP #csharp
sessionize.com
Swetugg Stockholm 2026: Call for Speakers
Our vision is to create a good quality .NET conference with relevant content that is also affordable. We include everything from the shiny new things ...
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Anders Abel @anders.abel.nu · 10/08/2025
Know someone who would benefit from attending my OAuth 2.0 and OIDC training for free? Nominate them! Do you want the free seat yourself? Ask someone to nominate you!
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Anders Abel @anders.abel.nu · 08/08/2025
There's still a chance to nominate someone who needs it to attend my training for free! Nominate someone you think is worth a free seat to increase their chances of finding a new job.
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Anders Abel @anders.abel.nu · 08/08/2025
There's still a chance to nominate someone who needs it to attend my training for free! Nominate someone you think is worth a free seat to increase their chances of finding a new job.
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Sustainsys @sustainsys.com · 07/08/2025
Do you know someone who's looking for a new position and would have use for getting some expert insights on Asp.Net Core Authentication & Authorization and OpenID Connect & OAuth 2.0? We are giving away a free seat at our workshop next week! www.linkedin.com/posts/sustai...
linkedin.com
We are hosting the Duende Software workshop on Identity & Access Control for modern Applications and APIs using Asp.NET Core online next week, starting Tuesday August 12. | Sustainsys
We are hosting the Duende Software workshop on Identity & Access Control for modern Applications and APIs using Asp.NET Core online next week, starting Tuesday August 12. We still have seats open, pl...
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Sustainsys @sustainsys.com · 30/07/2025
Last chance for the Early Bird offer for our training in Stockholm in September! Sign up before end of July! We are also hosting the training online in August, in US friendly times.
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Anders Abel @anders.abel.nu · 28/07/2025
Jag testade inom min specialitet SAML2 och XML-signaturer. Tänkte se vilken typ av signature wrapping som koden blev sårbar för. Svaret är ingen, för den följde inte specen utan hittade på en egen version av signatur-syntaxen...
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Anders Abel @anders.abel.nu · 13/07/2025
Vore intressant att räkna på, men jag tror på solfångaren. Dels har de oerhört hög verkningsgrad (bästa 75%). Dels är produktionen mycket mindre krävande än solceller med halvledare.
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Anders Abel @anders.abel.nu · 13/07/2025
Kan man driva dem lokalt med solfångare?
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Anders Abel @anders.abel.nu · 09/07/2025
Take the chance to attend my full three day workshop on ASP.NET Core Authentication/Authorization, OpenID Connect, OAuth 2.0 and Duende IdentityServer. I'm hosting it online in August and an in person in Stockholm in September. Early bird pricing until the end of July! Will you be there?
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Anders Abel @anders.abel.nu · 06/07/2025
www.dailymail.co.uk/femail/artic...
dailymail.co.uk
The photo of shameless sports star that fooled thousands
DJ Carey, who is widely recognised as one of the greatest hurlers of all time, pleaded guilty to 10 counts at the Circuit Court in Dublin's Criminal Courts of Justice on Wednesday.
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Anders Abel @anders.abel.nu · 05/07/2025
Thank you. For smaller scale/MVP I use a single SQL DB and Hangfire to schedule. I've felt bad that I'm not setting up a "real" queue and jobs. But hey, it works with a minimum of overhead and that's what matters, right? Scaling can be done later if needed.
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Anders Abel @anders.abel.nu · 30/06/2025
That's cute, he's already found out that daddy is old enough to require a deprecated model of charger. He just has to find out exactly how old... When he does, he might want to try a thick ethernet vampire tap instead. That will surely hurt. en.wikipedia.org/wiki/Vampire...
en.wikipedia.org
Vampire tap - Wikipedia
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Anders Abel @anders.abel.nu · 30/06/2025
Take the chance to attend my full three day workshop on ASP.NET Core Authentication/Authorization, OpenID Connect, OAuth 2.0 and Duende IdentityServer. I'm hosting it in August and an in person version in Stockholm in September. Early bird pricing until end of July! Will you be there?
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Anders Abel @anders.abel.nu · 29/06/2025
Man kan ju redan idag skriva ut ett nytt röstkort vid förtidsröstningen, så det är på intet sätt en originalhandling. Jag ser inga problem med att det tillhandahålls digitalt. Däremot för förtidsröstning ska det skrivas ut och vara på papper för då handlar det om räkningsprocessen.
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Anders Abel @anders.abel.nu · 18/06/2025
Uppsala-Malmö går utmärkt att använda som utresa.
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Anders Abel @anders.abel.nu · 15/06/2025
3, en,,
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Anders Abel @anders.abel.nu · 07/06/2025
Signed up, but why did you choose a platform that first asked a gazillion personal questions? And the technologies section was all radio buttons - if you made them check boxes I would have been able to check everything that I have actual hands-on experience with.
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Anders Abel @anders.abel.nu · 31/05/2025
😿 Sorry to hear that.
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Anders Abel @anders.abel.nu · 19/04/2025
Jag kan hosta åt dig på server jag har, hör av dig i PM om det är intressant.
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Sustainsys @sustainsys.com · 30/03/2025
The ambition with Sustainsys was always to create a team and now it's finally time to do that! If you are a junior .NET developer who is eager to learn and be part of some exciting development efforts, this position is for you (on site in Huddinge). sustainsys.com/junior-net-u...
sustainsys.com
Junior .NET-utvecklare
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Duende Software @duendesoftware.com · 18/03/2025
Today brings you #IdentityServer 7.2! 🎁 1️⃣ Strict Audience Validation ensures that the audience is equal to the issuer and validates the token’s typ value. 2️⃣ Discovery Document Caching helps throughput in large deployments And more! 👉 duende.link/hjdsk82 #dotnet #aspnetcore
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Sustainsys @sustainsys.com · 02/03/2025
Sustainsys.Saml2 v2.11.0 is now available on Nuget. Build targets have been modernized and there's support for modern encryption algorithms (AES-GCM and RSA-OAEP with specified MGF)
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Duende Software @duendesoftware.com · 27/02/2025
Say hello to Duende BFF Security Framework V3 Release Candidate 1 👋 BFF (Backend-For-Frontend) solves security and development challenges for client-side developers using SPA frameworks like #React, #Angular, VueJs or #Blazor. duende.link/bff3rc1 #dotnet #identity #oauth
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