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Simple Tcp server

using System; using System.Net; using System.Net.Sockets; using System.Text; class MainClass {    public static void Main()    {       IPEndPoint ip = new IPEndPoint(IPAddress.Any,9999);       Socket socket = new Socket(AddressFamily.InterNetwork,SocketType.Stream, ProtocolType.Tcp);       socket.Bind(ip);       socket.Listen(10);       Console.WriteLine("Waiting for a client...");       Socket client = socket.Accept();       IPEndPoint clientep =(IPEndPoint)client.RemoteEndPoint;       Console.WriteLine("Connected with {0} at port {1}",clientep.Address, clientep.Port);              string welcome = "Welcome";       byte[] data = new byte[1024];       data = Encoding.ASCII.GetBytes(welcome);       client.Send(data, data.Length,SocketFlags.None);       while(true)       {          data = new byte[1024];          int receivedDataLength = client.Receive(data);          Console.WriteLine(Encoding.ASCII.GetString(data, 0, receivedDataLength));          client.Send(data, receivedDataLength, SocketFlags.None);       }       Console.WriteLine("Disconnected from {0}",clientep.Address);       client.Close();       socket.Close();    } }