AirLive Air4G - Manual (Page 49)

3. Making Configuration
AirLive Air4G User’s Manua l 44
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 PPTP 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
Click on “Save” to store your settings or click “Undo” to give up the changes.
3.2.2. Special AP
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.