D-Link DI-704P - Manual (Page 23)

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Special Applications
Some applications require multiple connections, like Internet games, Video
conferencing, Internet telephony and so on. Due to the firewall function, these
applications cannot work without some intervention. Spe cial Applications makes
some of these applications work with the DI-704P. If Special Applications is still
insufficient to allow an application to function correctly, try the DMZ Host in the
Miscellaneous Items options.
Trigger: the outbound port number the application issued first.
Incoming Ports: when the trigger packet is detected, the inbound packets to the
specified port numbers are allowed to pass the firewall.
The DI-704P provides some predefined settings in the gray pad on the bottom of
the web page. Select your application in the Popular applications pull-down
menu and click Copy to in order to copy the predefined setting.
Note! At any time, only one PC can use each Special Application tunnel.