WebSocket Authentication Deep Dive — Tokens, Stateful Connections, and the CORS Bypass Nobody Warns You About
WebSockets are powerful. They enable real-time, bidirectional communication between a client and a server — perfect for chat apps, live dashboards, collaborative tools, and more. But when it comes to authentication, they behave quite differently from regular HTTP requests, and those differences can introduce subtle security vulnerabilities if you're not careful.
In this post, I'll walk through:
The three main ways to authenticate HTTP requests
Why some of them simply don't work for WebSockets
