на сегодня я сдался

src/main/kotlin/Main.kt

@@ -9,7 +9,7 @@ import kotlinx.io.readByteArray
 import java.io.FileInputStream
 
 fun main(args: Array<String>) {
-    val host = "192.168.88.242"
+    val host = "192.168.88.227"
     val port = 9093
 
     when (args.firstOrNull()) {

src/main/kotlin/Server.kt

@@ -11,7 +11,6 @@ fun startServer(port: Int) = runBlocking {
     val server = ServerSocket(port)
     println("Server started")
 
-
     while (true) {
         val client = server.accept()
         println("${client.inetAddress} Client pairing")
@@ -20,7 +19,7 @@ fun startServer(port: Int) = runBlocking {
             println("${client.inetAddress} Client connected")
 
             try {
-                handle(client)
+                handle(client, tun)
             } catch (e: Exception) {
                 println("${client.inetAddress} Client disconnected: ${e.message}")
             }
@@ -28,7 +27,7 @@ fun startServer(port: Int) = runBlocking {
     }
 }
 
-suspend fun handle(socket: Socket) {
+suspend fun handle(socket: Socket, tun: TunDevice) {
     val input = withContext(Dispatchers.IO) {
         socket.getInputStream()
     }
@@ -53,10 +52,10 @@ suspend fun handle(socket: Socket) {
 
             val response = forwardPacket(packet)
 
-            output.write(response.size shr 8)
-            output.write(response.size)
-            output.write(response)
-
+            //output.write(response.size shr 8)
+            //output.write(response.size)
+            //output.write(response)
+            tun.output.write(packet, 0, len)
         }
     }
 }