public static Soket Connect1(string host, int port)
{
    IPAddress[] IPs = Dns.GetHostAddresses(host);

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

    Console.WriteLine("Establishing Connection to {0}", 
        host);
    s.Connect(IPs[0], port);
    Console.WriteLine("Connection established");
    return s;
}		
public static void send(Soket s,byte[] a,byte [] b)
{
      s.Send(a.Where((aj,j)=>aj!=b[j]).ToArray());
}

s.Send(a.Where((aj,j)=>aj!=b[j]).ToArray());