user@runtime:~/blog$ grep -l "authentication" posts/*.md

authentication

8 posts tagged with authentication.

2026-09-15 8m

SignalR Authentication Refresh in .NET 11: No More Forced Reconnects on Token Expiry

.NET 11 lets SignalR clients swap in a fresh access token on a live connection instead of forcing a reconnect when the old one expires. Here's how to configure it on the server and client, and where the guardrails are.

2026-04-09 11m

Passkeys in ASP.NET Core 10: Phishing-Resistant Auth Without the Third-Party Dependency

ASP.NET Core 10 ships with built-in passkey support in Identity, bringing WebAuthn registration and authentication into the framework. Here's how it works, what the API surface looks like, and where you'll still need a third-party library.

2026-02-09 4m

Authentication and Authorisation in SignalR

Learn how to secure SignalR hubs with JWT bearer tokens, cookie authentication, and granular authorisation policies.

2025-12-19 4m

API Key Authentication Patterns in ASP.NET Core

Implementing API key authentication in ASP.NET Core using middleware, authentication handlers, and endpoint filters.

2025-12-15 4m

Customising ASP.NET Core Identity: Beyond the Defaults

How to extend and customise ASP.NET Core Identity with custom user properties, stores, password policies, and token providers.

2025-12-01 4m

JWT Authentication in ASP.NET Core: A Practical Guide

How to implement JWT bearer authentication in ASP.NET Core, from token generation to validation and refresh strategies.

2025-11-28 4m

Authentication and Authorisation in Blazor

Implementing authentication flows and role-based authorisation in Blazor applications.

2025-09-04 4m

Custom Authentication Handlers in ASP.NET Core

Build custom authentication handlers in ASP.NET Core for API key, HMAC, and token-based authentication schemes.