Tag Archives: ASP.NET Core
Securing a MudBlazor UI web application using security headers and Microsoft Entra ID
This article shows how a Blazor application can be implemented in a secure way using MudBlazor UI components and Microsoft Entra ID as an identity provider. The MudBlazor UI components adds some inline styles and requires a specific CSP setup due to this and the Blazor WASM script requirements. Code: https://github.com/damienbod/MicrosoftEntraIDMudBlazor Setup The application is […]
Authentication with multiple identity providers in ASP.NET Core
This article shows how to implement authentication in ASP.NET Core using multiple identity providers or secure token servers. When using multiple identity providers, the authentication flows need to be separated per scheme for the sign-in flow and the sign-out flow. The claims are different and would require mapping logic depending on the authorization logic of […]
Implement a secure web application using Vue.js and an ASP.NET Core server
This article shows how to implement a secure web application using Vue.js and ASP.NET Core. The web application implements the backend for frontend security architecture (BFF) and deploys both technical stack distributions as one web application. HTTP only secure cookies are used to persist the session. Microsoft Entra ID is used as the identity provider […]
Implement a secure web application using nx Standalone Angular and an ASP.NET Core server
This article shows how to implement a secure web application using Angular and ASP.NET Core. The web application implements the backend for frontend security architecture (BFF) and deploys both technical stack distributions as one web application. HTTP only secure cookies are used to persist the session. Microsoft Entra ID is used as the identity provider […]
ASP.NET Core Logging using Serilog and Azure
This article shows how to implement logging in an ASP.NET Core application using Serilog and Azure as a hosting environment. Code: https://github.com/damienbod/aspnetcore-azure-logging History Priority logging use cases Two types of default logging use cases need to be supported in most software solutions. The application requires near real time logs which can be easily viewed and […]
Securing APIs using ASP.NET Core and OAuth 2.0 DPoP
This article shows how an ASP.NET Core application can access an ASP.NET Core API using OAuth Demonstrating Proof-of-Possession (DPoP). This is a really powerful security enhancement which is relatively easy to support. The access tokens should only be used for what the access tokens are intended for. OAuth DPoP helps force this. This solution was […]
Blazor and CSP
This post looks at the a recent fix for Blazor which I think is of massive importance. You can now develop with Blazor in Visual Studio using a strong CSP. Code: https://github.com/damienbod/Hostedblazor8Aad History When developing applications, the development environment should be as close as possible to the target production deployment. As a rule, the more […]
Use Azure PIM with groups in ASP.NET Core
This article shows how to implement Azure Privileged Identity Management access in an ASP.NET Core application using an Azure security group. An Azure Conditional Access Authentication context is used for the Azure administrator giving access to the group for Azure AD users. The Authentication context is setup to require a phishing resistant authentication. An Enterprise application […]
Trust phishing resistant MFA for cross tenant users
This article shows how to force phishing resistant authentication for external B2B users using a cross tenant trust. The external users are from a separate tenant and the local tenant needs to trust the multiple factor authentication (MFA) from the other known tenants. This prevents the user having to authenticate again and setup more MFA. […]
Auto sign-out using ASP.NET Core Razor Pages with Azure AD B2C
This article shows how an ASP.NET Core Razor Page application could implement an automatic sign-out when a user does not use the application for n-minutes. The application is secured using Azure AD B2C. To remove the session, the client must sign-out both on the ASP.NET Core application and the Azure AD B2C identity provider or […]
Software Engineering 