Tag Archives: c#
Implement a secure Blazor Web application using OpenID Connect and security headers
This article shows how to implement a secure .NET 8 Blazor Web application using OpenID Connect and security headers with CSP nonces. The NetEscapades.AspNetCore.SecurityHeaders nuget package is used to implement the security headers and OpenIddict is used to implement the OIDC server. Code: https://github.com/damienbod/BlazorWebOidc OpenIddict is used as the identity provider and an OpenID connect […]
Delegated read and application write access to blob storage using ASP.NET Core with Entra ID authentication
This article shows how an ASP.NET Core application can control the write access to an Azure blob storage container using an application app registration. Microsoft Entra ID is used to control the user access and to implement the authentication of the web application. Code: https://github.com/damienbod/AspNetCoreEntraIdBlobStorage Blogs in this series The solution provides a secure upload […]
Using a CSP nonce in Blazor Web
OLD, please refer to the blogs in the github repo. This article shows how to use a CSP nonce in a Blazor Web application using the InteractiveServer server render mode. Using a CSP nonce is a great way to protect web applications against XSS attacks and other such Javascript vulnerabilities. Code: https://github.com/damienbod/BlazorServerOidc Notes The code […]
Secure an ASP.NET Core Blazor Web app using Microsoft Entra ID
This article shows how to implement an ASP.NET Core Blazor Web application using Microsoft Entra ID for authentication. Microsoft.Identity.Web is used to implement the Microsoft Entra ID OpenID Connect client. Code: https://github.com/damienbod/Hostedblazor8MeID Note: I based this implementation on the example provided by Tomás López Rodríguez and adapted it. Setup The Blazor Web application is an […]
Securing a Blazor Server application using OpenID Connect and security headers
This article shows how to secure a Blazor Server application. The application implements an OpenID Connect confidential client with PKCE using .NET 8 and configures the security headers as best possible for the Blazor Server application. OpenIddict is used to implement the identity provider and the OpenID Connect server. Code: https://github.com/damienbod/BlazorServerOidc OpenID Connect flow In […]
Using Key Vault and Managed Identities with Azure Functions
This article shows how Azure Key Vault could be used together with Azure Functions. The Azure Functions can use the system assigned identity to access the Key Vault. This needs to be configured in the Key Vault access policies using the service principal. By using the Microsoft.Azure.KeyVault and the Microsoft.Extensions.Configuration.AzureKeyVault nuget packages, defining direct references […]
Create, Build, Deploy and Configure an Azure Function with Azure DevOps and Azure CLI
This post shows how to create, build, deploy and configure an Azure Function using Azure DevOps, Azure CLI and Powershell. An Azure Function is created in Azure using Azure DevOps with Azure CLI and Powershell. The Azure Function (V3) project is created and built using Visual Studio and C#. This project is deployed to the […]
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