VPS/VDS firewall settings to let Node.js be accessible externally


I’ve made a simple node.js server at VDS:

var http = require('http');
http.createServer(function (req, res) {
  let port = 9999; 
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('Hello World\n');
}).listen(post, '');
console.log('Server running at port ' + port);

It works outputting:

Server running at port 9999

yet I can’t reach it at VPS/VDS IP where the code is residing: How to solve that?


The issue was with the ports not allowed by Firewall. I’ve set up a firewall to allow port 9999 and it now works. Vesta CP firewall link.

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