3. Configuration
AirLive WN-220ARM User’s Manual 38
For example, if you have an FTP server (port 21) at 192.168.1.1, a Web server (port 80) at
192.168.1.2, and a VPN server at 192.168.1.6, then you need to specify the following virtual
server mapping table:
Service Port Server IP Enable
21 192.168.1.1 V
80 192.168.1.2 V
1723 192.168.1.6 V
Afterwards, click on “Save” to store your settings or click “Undo” to give up the changes.
3.3.2 Special Application
Some applications require multiple connections, like Internet games, Video conferencing,
Internet telephony, etc. Because of the firewall function, these applications cannot work with a
pure NAT router. The Special Applications feature allows some of these applications to work
with this product. If the mechanism of Special Applications fails to make an application work,
try setting your computer as the DMZ host instead.
