An attacker is sending packets with no flag set. This is also known as doing a NULL scan. Usually, operating system networking stacks will respond with a RST packet; however, some operating systems…

An attacker is sending packets with no flag set. This is also known as doing a NULL scan. Usually, operating system networking stacks will respond with a RST packet; however, some operating systems do not conform to this behavior and respond inappropriately. Such behavior could allow for the identification of the remote OS being used. Which of the following would be one of the operating systems that responds differently?