c# send comments via telnet to my fritzbox 7141 to controll the leds

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C#

C#4.0

programming

TCP/IP

modem

hi every body,

i need some help and i hope you can help me.

because i started to programming a little tool in c# to send some telnet commends to my fritz.box 7141 to controll the led-lights. but in my programm in dosn´t works an i don´t know why.
i wont to send the commend "echo 1,3 > /dev/new_led" and "echo 1,4 > /dev/new_led"
my fritzbox ip is 192.168.178.1 port 23

the connection works but nothing else. can you find my mistake? i be lost with the problem... how can i send my orders via telnet ?


Thank you for help!!!! and sry for my bad english


i i want to do is via c# http://www.youtube.com/watch?v=3cDZNmpAghA[^]

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

public class SimpleTcpClient
{
    public static void Main()
    {
        byte[] data = new byte[1024];
        string input, stringData;

        Console.WriteLine("IP-adresse eingeben.");
        IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("192.168.178.1"),23);

        Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

        try
        {
            server.Connect(ipep);
        }
        catch (SocketException )
        {
            Console.Clear();//error output//
            Console.WriteLine("\n            Verbindung zu Experience 0O9 fehlgeschlagen  ");  
            Console.WriteLine("            mögliche fehler:\n");
            Console.WriteLine("             -Fehlerhafte IP-adresse");
            Console.WriteLine("             -Experience 0O9 nicht gestartet"); 
            Console.WriteLine("             -W-lan Deaktivirt oder nicht verfügbar");
            Console.WriteLine("             -Gerät außer Reichweite\n");
            //end error output//
            Main();
        }

        int recv = server.Receive(data);
        stringData = Encoding.ASCII.GetString(data, 0, recv);
        Console.Clear();
        Console.WriteLine("Verbunden");

        while (true)
        {
            input = Console.ReadLine();
            if (input == "esc")
                break;
            if (input == "w")
            { input = "echo 1,3 > /dev/new_led"; }

            server.Send(Encoding.ASCII.GetBytes(input));
            data = new byte[1024];

            recv = server.Receive(data);
            stringData = Encoding.ASCII.GetString(data, 1, recv);
            Console.WriteLine(stringData);
        }
        Console.WriteLine("Disconnecting from server...");
        server.Shutdown(SocketShutdown.Both);
        server.Close();
         }
}

Thank you for help!!!! and sry for my bad english