new test with ipset to prevent banning the same ip multiple times

main.js

@@ -2,6 +2,7 @@ const net = require("net")
 const {spawn,exec} = require("child_process");
 const portlist = [21,1433,7777]
 const host = "0.0.0.0";
+var ipSet = new Set()
 servermap = new Map()
 
 portlist.forEach(i => {
@@ -16,15 +17,16 @@ portlist.forEach(i => {
         console.log(`incomming connection from : ${a.remoteAddress} on port ${i}`)
         // handle error even on socket instance (prevents the econnreset error)
         a.on("error", () => {})
-        // Handle banning ip
+        // Add ip to ipSet
+        ipSet.add(a.remoteAddress)
+    })
+    servermap.set(i, server)
+})
 
-
-        // const output = spawn("echo", [`-A INPUT -s ${a.remoteAddress} -j DROP`]);
-        // output.stdout.on("data", () => {console.log(data);})
-
-
-
-        exec(`echo -A INPUT -s ${a.remoteAddress} -j DROP`, (error, stdout, stderr) => {
+// 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) => {
             if (error) {
                 console.log(`error: ${error.message}`);
                 return;
@@ -35,10 +37,9 @@ portlist.forEach(i => {
             }
             console.log(`stdout: ${stdout}`);
         });
+        ipSet.delete(i)
     })
-    servermap.set(i, server)
-})
-
+},30000)
 
 
 process.on('uncaughtException', function (err) {