Debugging is an essential part of software development, and having easy access to the source code of referenced libraries can significantly improve productivity and troubleshooting. In this blog post, we will explore the Source Link feature in C# and how it revolutionizes the debugging experience by enabling developers to navigate directly to the source code … Continue reading Exploring the C# Source Link Feature: Enhancing Debugging Experiences
C# 11 features I like the most
It has been a while since I posted my previous blog post. I finally made a schedule for me to put more effort into writing and slowly get back to the speed which I was following before few years. Feel free to reach out if you want me to write on certain topics. In this … Continue reading C# 11 features I like the most
appsettings.json gets IntelliSense
As announced by Microsoft recently, we can use IntelliSense with appsettings.json files. What are appsettings.json files? Common settings of the application are generally stored in appsetting.json files. These files are separated on the basis of environments. For example, the settings for production environment are stored in appsettings.production.json and the settings for acceptance environment are stored … Continue reading appsettings.json gets IntelliSense
First look at InferSharp: A C# version of Facebook’s Infer
https://fbinfer.com/ You might have heard about Infer which is a tool to detect bugs in Java and C/C++/Objective-C code before it ships. Infer belongs to Facebook and it is a static analysis tool to produce a list of potential bugs such as null pointer exceptions, resource leaks, annotation reachability, missing lock guards, and concurrency race conditions … Continue reading First look at InferSharp: A C# version of Facebook’s Infer
Whatsapp alert service by World Health Organization(WHO) for COVID-19(Corona virus)
This post is different than regular technical posts but at this situation we should help each other by spreading the technology which may help us. I came across a post on Twitter by which I got to know about a watsapp alert service powered by World health organization: I tried it out by following this … Continue reading Whatsapp alert service by World Health Organization(WHO) for COVID-19(Corona virus)
Skip Identity server login page for Azure AD(Auto login)
source: Medium In this article, we will see how we can skip Identity server 4 login page if we have integrated Azure AD with identity server 4. First let me explain the problem and then I will explain the solution for the same. Problem: We use Identity server 4 for authentication and we have integrated … Continue reading Skip Identity server login page for Azure AD(Auto login)
Create Certificates for IdentityServer4 signing using .NET Core
This article shows how to create certificates for an IdentityServer4 application to use for signing and token validation. The certificates are created using the CertificateManager nuget package. Both RSA and ECDsa certificates can be used for signing in IdentityServer4.
Code:Certificates for IdentityServer4 signing using .NET Core
Creating the Certificates in .NET Core
A simple .NET Core console application is used to create the certificates. This type of application can run on most of the standard operating systems. Create a new console application and add the package CertificateManager. The package Microsoft.Extensions.DependencyInjection is also required to initialize the package.
Creating a RSA certificate
A self signed RSA certificate can be created using the CertificateManager NewRsaSelfSignedCertificate method. The key size must be at least 2048. The following example also adds TLS server and client authentication OID extensions, so that the certificate could also be used for client authentication.
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Globally Require Authenticated Users By Default Using Fallback Policies in ASP.NET Core
You can use Fallback Policies in ASP.NET Core 3.0+ to require an Authenticated User by default. Conceptually, you can think of this as adding an
[Authorize] attribute by default to every single Controller and Razor Page ONLY WHEN no other attribute is specified on a Controller or Razor Page (like
[Authorize(PolicyName="PolicyName")]). See lines 9-11 below.
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|// Other Startup code omitted|
|options.FallbackPolicy =new AuthorizationPolicyBuilder()|
|// Register other policies here|
|// Other service…|
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Requiring MFA for Admin Pages in an ASP.NET Core Identity application
Nice article from Damien.
This article shows how MFA could be forced on users to access sensitive pages within an ASP.NET Core Identity application. This could be useful for applications where different levels of access exist for the different identities. For example, users might be able to view the profile data using a password login, but an administrator would be required to use MFA to access the admin pages.
Blogs in this series
- Force ASP.NET Core OpenID Connect client to require MFA
- Send MFA signin requirement to OpenID Connect server using ASP.NET Core Identity and IdentityServer4
- Requiring MFA for Admin Pages in an ASP.NET Core Identity application
Extending the Login with a MFA claim
The application is setup using ASP.NET Core with Identity and Razor Pages. In this demo, the SQL Server was replaced with SQLite, and the nuget packages were updated. The AddIdentity method is used instead of AddDefaultIdentity one, so…
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.Net 5.0 : The future of .Net
In my previous post I added links to get the archived presentations and sessions for .Net Conf 2019 which you can find here. In this quick post we will see what is long term .Net release schedule and what is the near future of .Net. .Net Core 3.0 .Net Core 3.0 is current major release … Continue reading .Net 5.0 : The future of .Net