HoneyPot.js (node)

const net = require('net');

// common proxy ports
var honeyPort = [ 8080, 3128, 3129, 80 ];


function FakeSrv(port){
    this.port = port;
    this.server = net.createServer((socket) => {
        socket.end('Bye\n');
    });
    this.server.on('connection', (socket) => {
        console.log('FaksSrv (port %s) <-- %s:%s', this.port, socket.remoteAddress, socket.remotePort);
    });
    this.server.on('listening', () => {
        console.log('Listening on port %s ...', this.port);
    });
    this.server.on('error', () => {
        console.log('Error binding port %s', this.port);
    });
    this.server.listen(this.port, '0.0.0.0');
}

for (var i=0; i<honeyPort.length; i++) {
    try{
        new FakeSrv(honeyPort[i]);
    } catch(e) {
        console.log('Error ' + e.message);
    }
}