DI-604 from D-Link combines the latest advancements in chip technology, low-cost design and manufacturing with new, feature-rich firewall and network management controls to give you quite possibly the most advanced, yet affordable Ethernet router to date. It features an advanced filter which can be activated or deactivated based on your preference to block out unwanted websites. The Network Address Translation allows you to share a single IP address and protects you from outside intruders gaining access to your private network. When you have multiple VPN users on the network, VPN multiple/concurrent session helps you to have better security