D-Link VOIP TA DVG-5112S - Manual (Page 27)

DVG-5112S User’s Manual
D-Link Systems, Inc. 27
3-12 Virtual Server
Virtual server allows you to enable users to access the Internet, FTP and other services from behind your NAT.
When remote users are accessing web or FTP servers through WAN-end IP addresses, they will be routed to
the server at the internal LAN end as appropriate in accordance with externally required services
WAN Port Range: Input the port range for the WAN side.
TCP/UDP: Select the communication protocols used by the server, TCP or UDP.
LAN Host IP Address: Enter the IP address that provides various services.
Server Port Range: Input the port used by the LAN host.
3-13 DMZ
DMZ allows the server on the LAN site to be directly exposed to the Internet for accessing data. Either this
function or virtual server can be selected for use in accessing external services.