şunu dener misin? : using System; using System.IO; using System.Net.Sockets; using System.Text; public class Metin2Client { private static TcpClient client; private static NetworkStream stream; public static void Main() { ConnectToServer(); SendChatPacket("restart_Here"); Console.WriteLine("Chat packet sent."); DisconnectFromServer(); Console.WriteLine("Disconnected from server."); } private static void ConnectToServer() { try { client = new TcpClient("127.0.0.1", 13000); // sunucu IP ve port bilgisi stream = client.GetStream(); } catch (Exception ex) { Console.WriteLine("Connection error: " + ex.Message); } } private static void SendChatPacket(string message) { try { string packet = String.Format("chat {0}", message); byte[] data = Encoding.ASCII.GetBytes(packet); stream.Write(data, 0, data.Length); } catch (Exception ex) { Console.WriteLine("SendChatPacket error: " + ex.Message); } } private static void DisconnectFromServer() { try { stream.Close(); client.Close(); } catch (Exception ex) { Console.WriteLine("Disconnection error: " + ex.Message); } } }