Using Spring Security with Websocket

  If you have a Spring Boot application, that already uses Spring Security, it can be tricky to set up the security for Websocket communication. The problem is, that in case of you need to protect your resources with basic authentication, it avoids the connection to your Websocket service, while Websocket can not work together…

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Restrict number of connected clients for Websocket

Recently I needed to implement a custom check for WebSocket connection of a Spring Boot application. The logic had to check if a configured connection limit has been reached, and reject opening further connections if so. The connections were opened by a mobile application client, and the developer wanted to get the error message in…