Untitled

const net = require('net');

const server = net.createServer((client) => {
  console.log('OPEN');
  
    const socket = net.createConnection(80, '127.0.0.1', () => {
        console.log('REMOTE OPEN');
    });

    client.on('data', (data) => {
    console.log('WRITE:', data.toString('hex').match(/.{1,2}/g).join(' '));
        socket.write(data);
    });

    socket.on('data', (data) => {
    console.log('READ:', data.toString('hex').match(/.{1,2}/g).join(' '));
        client.write(data);
    });

    client.on('close', () => {
        console.log('CLOSE');
        socket.end();
    });

    socket.on('close', () => {
        console.log('REMOTE CLOSE');
        client.end();
    });

    client.on('error', (err) => {
        console.error('ERROR:', err);
        socket.end();
    });

    socket.on('error', (err) => {
        console.error('REMOTE ERROR:', err);
        client.end();
    });
});


server.listen(1234);