Symantec Gateway Security 5600 Series, easy-to-manage, multifunction security appliances provide fully integrated, layered security at the gateway. A multifunction security appliance powered by Symantec's award-winning technologies, including the industry's most trusted antivirus and antispam solutions. With its multiple functions tightly integrated to work together seamlessly, the next-generation network security appliance is today's most effective solution for proactively preventing blended threats.