Send TCP SYN with node.js and raw-socket package
library usage:
const SynPack = require ('./index');
const sf = new SynPack(99, 80, 'a.b.c.d');
// sf.sendNumberOfPackets(function () { // //before cb // }, function () { // //after cb // }, 12);
// sf.sendPacket(function(){}, function(){});