That being said, it means that any website can connect to any other website’s websocket connection and communicate without any restriction! I’m not going into reasons why this is the way it is, but a quick fix to this is to verify Origin header on the websocket handshake. WebSocket doesn’t come with CORS inbuilt. Let us see what they are and what should you do to protect your websockets. Websockets allow us to achieve real-time communication among different clients connected to a server.Ī lot of people are unaware of how to secure their websockets against some very common attacks. There is emerging support for low latency communication technologies like websockets. More and more web apps are dynamic, immersive and do not require the end user to refresh.
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