if (port == 139) { System.out.println("OS: Windows!\r\n"); bw.write(new Date().toString() + "OS: Windows!\r\n"); } else if (port == 135) { System.out.println("OS: Windows!\r\n"); bw.write(new Date().toString() + "OS: Windows!\r\n"); } else if (port == 445) { System.out.println("OS: Windows!\r\n"); bw.write(new Date().toString() + "OS: Windows!\r\n"); } else if (port == 22) { System.out.println("OS: Linux!\r\n"); bw.write(new Date().toString() + "OS: Linux!\r\n"); }