socket = proxy.connect("195.58.170.125", 21);
socket = proxy.connect("172.25.12.195", 23);
    public static void main (String args[]) throws Exception {        Socks5 proxy = new Socks5("211.250.81.252",1080, "anonymous","test@test.at");        Socket socket = null;                try {            socket = proxy.connect("195.58.170.125", 21);        }catch(Exception e) {            e.printStackTrace();        }                System.out.println("looks like we are connected to the proxy ...");        BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));        String line;        while ( (line = in.readLine()) != null) {            System.out.println(line);        }    }