D-Link DSL-520B ADSL2+ Modem Router - router - DSL - desktop Specs: D-Link DSL-520B ADSL2+ Modem Router - Router, 4.7 in x 4.1 in x 1.3 in, Wired, Fast Ethernet, Ethernet, Telnet, SNMP 1, HTTP, SSH, SNMP 2c, IEEE 802.1p, UPnP, DHCP server, FTP server, DNS proxy, Traffic shaping, Packet filtering, Virtual server support, Content filtering, DoS attack prevention, Firewall protection, URL filtering, Domain blocking, IP address filtering, Trivial File Transfer Protocol (TFTP) support, DiffServ support, Port forwarding, IGMP snooping, Stateful Packet Inspection (SPI), IPSec passthrough, DHCP support, NAT support, Intrusion Detection System (IDS), Auto-fallback, Quality of Service (QoS), DMZ port, VPN passthrough, Syslog support, SNTP support, Auto-uplink (auto MDI/MDI-X), MAC address filtering, Firmware upgradable