TRENDnet TW100-BRF214 4-Port Fast Ethernet Firewall Router 4-port 10/100Mbps wired switch Highly configurable firewall Easy installation and setup Advanced QoS, DoS protection, and access filtering Supports Network Address Port Translation (NAPT) Firewall features include NAT and Stateful Packet Inspection (SPI) Advanced security features include Denial of Service (DoS) and ARP spoofing prevention MAC Address control to allow or deny access (32 entries)