User Manual

4.7.2. DMZ
Figure 4-21
DMZ opens all the ports of one computer, exposing the computer to the Internet. So it should
only be used for some special-purpose, especial for Internet online games. Using this function
you can select ”DMZ” item and input IP address of DMZ host, then click “Save Setting”. For
the purpose of security, we suggested that using “Virtual server” instead of “DMZ”
4.7.3. UPNP
Figure 4-22
The UPnP function supports load Application’s port forward record automatically. Select
“Enable” to enable this function
4.8. Application gateway
VPN is commonly used for encapsulate and encrypt data across the public network. For VPN
tunnel, the router supports IPSEC pass-through, PPTP pass-through and L2TP pass-through
Figure 4-23
¾ PPTP Pass-through
PPTP means the “Point to Point Tunneling Protocol”, you can select “enable” to allow PPTP