The linksys instant broadband etherfast cable/dsl firewall router with 4-port switch/vpn endpoint is the perfect solution for connecting a small group of pcs to a high-speed broadband internet connection or a 10/100 ethernet backbone. The router can be configured to limit internal users internet access based on urls and/or time periods—url filtering and time filtering. For enhanced protection against intruders from the internet, the router features an advanced stateful packet inspection firewall. Use the cable/dsl firewall router with 4-port switch/vpn endpoint to create ipsec vpn tunnels, so you can securely connect to the corporate server from your home office—or any location when youre on the road. The router provides a dedicated port for dmz hosting and acts as the only externally recognized internet gateway on your local area network (lan). With the performance and security features of the cable/dsl firewall router with 4-port switch/vpn endpoint, your network will take advantage of the internet while keeping its data secure. Features: protects pcs from ping of death, syn flood, land attacks, ip spoofing, and other dos (denial of service) attacks. Supports up to two ipsec virtual private network (vpn) tunnels. Supports url filtering and time filtering. Blocks java, activex, and cookies. Easily configurable through a web browser from any networked pc. Supports ipsec and pptp pass-through. Administer and upgrade your router remotely over the internet. Supports traffic and event logging. Configurable as a dhcp server on your network. Administrators can block specific internal users internet access with filtering. Supports snmp ver. 2.0 And snmp mib i and ii. Supports ntp (network time protocol) for synchronization with real-time server. Support for pppoe connection. Dedicated port for dmz. Specifications: standards: ieee 802.3, Ieee 802.3U. protocol: csma/cd. Ports wan: one 10/100 rj-45 port. Lan: four 10/100 rj-45 ports (one with dmz functionality). Cabling type: utp category 5 or better. Topology: star. Speed (mbps): wan: 10/100 (half duplex), 20/200 (full duplex). Lan: 10/100 (half duplex), 20/200 (full duplex). Leds: power, diag, dmz. Wan: link/act, full/col, 100. Lan: link/act, full/col, 100. Dimensions: 7.31 X 6.16 X 1.88 (186 Mm x 154 mm x 48 mm). Power: 12v dc, 1000 ma. Certifications: fcc class b, ce mark. Operating temp.: 0Oc to 40oc (32of to 104of). Storage temp.: -20Oc to 70oc (-4of to 158of). Operating humidity: 10% to 85% non-condensing. Storage humidity: 5% to 90% non-condensing. Package contents: cable/dsl firewall router. One setup wizard cd-rom with user guide included. One power adapter. One fast start guide and registration card.