replaced echo with iptables, time to see if it works

main.js

@@ -1,5 +1,5 @@
 const net = require("net")
-const {spawn,exec} = require("child_process");
+const {exec} = require("child_process");
 const portlist = [21,1433,7777]
 const host = "0.0.0.0";
 var ipSet = new Set()
@@ -26,7 +26,7 @@ portlist.forEach(i => {
 // This interval looks through the ipSet every 30 seconds and if there are an inside, it will ban them and remove them from the Set
 setInterval(()=>{
     ipSet.forEach(i => {
-        exec(`echo -A INPUT -s ${i} -j DROP`, (error, stdout, stderr) => {
+        exec(`iptables -A INPUT -s ${i} -j DROP`, (error, stdout, stderr) => {
             if (error) {
                 console.log(`error: ${error.message}`);
                 return;