Can't connect to sockets?

Question

JavaScript

Server part

// Express
const express = require('express');
const helmet = require('helmet');
const bodyParser = require('body-parser');
const PORTs = 8433;

// app
const app = express();
app.disable('x-powered-by');
app.set('trust proxy', 1);
app.use(helmet());
app.use(bodyParser.urlencoded({extended: true}));
app.use(bodyParser.json());
app.use(function(req, res, next) {
  req.result = {errors: []};
  next();
})

// Routes
app.use('/api', require('./routes/index'));

// Error handling
app.use(require('./controllers/error_handling'));
app.use(require('./controllers/error_404'));



// Create Server
const httpsServer = require('https').createServer(credentials, app); // https



// Socket io
const io = require('socket.io')(httpsServer, {
  path: '/socket'
});
io.on('connection', socket => {
  console.log('user socket connected: ', socket);
})


// Listen
httpsServer.listen(PORTs, () => console.log(`App started on port ${PORTs}`)); // https

Client side

import VueSocketIO from 'vue-socket.io'
Vue.use(new VueSocketIO({
    debug: true,
    connection: 'https://aaa.ru:8433',
    vuex: {
        store,
        actionPrefix: 'SOCKET_',
        mutationPrefix: 'SOCKET_'
    },
    options: { path: '/socket' }
}))

Connection does not happen and I can not even understand the problem in the server or client part
. Maybe I do not see an obvious error?

Answer 1

In general, the problem was that nginx was proxying requests from port 433 to port 8433 and it was necessary to connect sockets on port 433, not 8433