This article uses the the ASP.NET Core 2.1 MVC template and shows how to secure the CDN links using the integrity parameter. A new ASP.NET Core MVC application was created using the 2.1 template in Visual Studio. This template uses HTTPS per default and has added some of the required HTTPS headers like HSTS which […]

This article shows how to add headers in a HTTPS response for an ASP.NET Core MVC application. The HTTP headers help protect against some of the attacks which can be executed against a website. securityheaders.io is used to test and validate the HTTP headers as well as F12 in the browser. NWebSec is used to […]

The article shows how an ASP.NET Core MVC application can implement security when using an API to retrieve data. The OpenID Connect Hybrid flow is used to secure the ASP.NET Core MVC application. The application uses tokens stored in a cookie. This cookie is not used to access the API. The API is protected using […]

This article shows how to use Azure AD with an Angular application implemented using the Microsoft dotnet template and the angular-auth-oidc-client npm package to implement the OpenID Implicit Flow. The Angular app uses bootstrap 4 and Angular CLI. Code: https://github.com/damienbod/dotnet-template-angular Setting up Azure AD Log into https://portal.azure.com and click the Azure Active Directory button Click […]

This post shows how to use specific themes in an ASPNET Core STS application using IdentityServer4. For each OpenId Connect (OIDC) client, a separate theme is used. The theme is implemented using Razor, based on the examples, code from Ben Foster. Thanks for these. The themes can then be customized as required. Code: https://github.com/damienbod/AspNetCoreIdentityServer4Persistence Setup […]

This article shows how to implement a database store for the IdentityServer4 configurations for the Client, ApiResource and IdentityResource settings using Entity Framework Core and SQLite. This could be used, if you need to create clients, or resources dynamically for the STS, or if you need to deploy the STS to multiple instances, for example […]

This article shows how SignalR could be used to send direct messages between different clients using ASP.NET Core to host the SignalR Hub and Angular to implement the clients. Code: https://github.com/damienbod/AspNetCoreAngularSignalRSecurity Posts in this series Getting started with SignalR using ASP.NET Core and Angular SignalR Group messages with ngrx and Angular Using EF Core and […]