Cisco 3000 Network Security/Firewall Appliance - Denial of Service (DoS), Threat Protection, Network Attack Detection, Application Control, Packet Flood Mitigation, Brute Force Attack Mitigation - 4 Port - 10/100/1000Base-T Gigabit Ethernet - USB - 4 x RJ-45 - Manageable - AC Adapter - DIN Rail Mountable: