The D-Link DFL-300 Office Firewall is a hardware-based firewall designed for the small office environment. The DFL-300 Office Firewall provides an economical solution for providing small offices with dependable firewall protection against malicious attacks from hackers on the Internet. The DFL300 provides a web-based interface for easy setup and configuration but is also designed with more advanced security features than typically found in residential gateways. The DFL-300 defends networks against damaging Denial of Service (DoS) attacks and offers network reliability through Stateful Packet Inspection (SPI). It can detect hacker attacks and disallow intruding packets from entering the office network. Additionally, the DFL-300 is equipped with embedded VPN support that can create multiple IPSec tunnels to remote offices. The DFL-300 includes with three auto-sensing 10Base-T, 100Base-TX, RJ-45 ports. The Internal LAN port connects to the office network and the External WAN port connects to a broadband modem such as Cable or DSL. The DFL-300 Office Firewall also offers a DMZ (Demilitarized Zone) port which allows DMZ computers to be accessed from the Internet. This particular feature is useful because it alleviates congested server traffic from entering the Internal network. Web, Mail, and FTP Servers can take advantage of the DMZ port. With it's strong firewall features and versatile VPN support, the D-Link DFL-300 is an ideal choice for small office/home office (SOHO) environments.