Linksys BEFSX41 Instant Broadband Etherfast Cable/DSL Firewall Router with 4 Port-Switch/VPN EndPoint, An Internet connection-sharing Router with built-in advanced Firewall and VPN capability, NAT and Stateful Packet Inspection Firewall protects your
Linksys Official Support - Configuring Access Rules for restricted port forwarding on your LRT2x4 router
Best Buy: Linksys 4-Port Ethernet Security Router with VPN Firewall RVS4000
Linksys Official Support - How to create an Access Rule on the Linksys Gigabit VPN Router
Linksys BEFSX41 EtherFast Wired Firewall Router - NO Power cord | eBay