net-scan/tests/listener.js

scan ports & ips

var scan = require('..');

console.time('ports scan');
scan.port({
        host: 'github.com',
        start: 1,
        end: 1000,
        timeout: 2000,
        queue: 1000
    })
    .on('open', function(port) {
        console.log('found port open', port);
    })
    .on('end', function(port) {
        console.timeEnd('ports scan');
        console.log('scan port over');
    });