sockjs.js?3404:1609 GET net::ERR_CONNECTION_TIMED_OUT code example
Example: sockjs-node/info?t=net::ERR_CONNECTION_TIMED_OUT
module.exports = {
devServer: {
disableHostCheck: true,
port: 4000,
public: '0.0.0.0:4000'
},
publicPath: "/"
}