That obs-websocket plugin seems to have some auth support. From their Readme: > It is highly recommended to protect obs-websocket with a password against unaut

That obs-websocket plugin seems to have some auth support. From their Readme: > It is highly recommended to protect obs-websocket with a password against unauthorized control. To do this, open the "Websocket server settings" dialog under OBS' "Tools" menu. In the settings dialogs, you can enable or disable authentication and set a password for it.