User's Manual

Wireless Broadband Router User Manual
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4.6.2 DMZ
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”.
Figure - 38
4.7 Application Gateway
This feature provides port mapping for some applications. FTP and VPN are both the most
common applications, so there are two ways of application gateway:” FTP Pass-through”
and ”VPN Pass-through”.
z FTP Pass-through: LAN user is able to use nonstandard port number to communicate
with FTP server on the Internet by enabling this function.
Figure - 39
z VPN Pass-through: 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 - 40
PPTP Pass-through ：PPTP means the “Point to Point Tunneling Protocol”, you can select
“enable” to allow PPTP pass-through the router.
L2TP Pass-through ：L2TP means the “Layer 2 Tunneling Protocol”, you can select “enable”
to allow L2TP pass-through the router.
IPSEC Pass-through：IPSEC (Internet Protocol Security) is a suite of protocols used to