This document is the user manual for the D-Link DFL-1500 VPN/Firewall Router, which describes the configuration and usage of the product. It is a network security device that provides VPN and firewall functionality.
This manual covers the DFL-1500 VPN/Firewall Router, a network device that provides routing, NAT, VPN, and content‑filtering functions. It includes a quick‑start guide, detailed system overview, and step‑by‑step configuration procedures.
The document is organized into chapters on basic setup, system tools, remote management, authentication, NAT and firewall, routing, VPN technologies (IPSec, PPTP, L2TP), content filtering, intrusion detection, bandwidth management, high availability, and system maintenance, followed by appendices with CLI commands and troubleshooting information.