D-Link DIR-825 manual Application Rules

Section 3 - Configuration

Application Rules

Some applications require multiple connections, such as Internet gaming, video conferencing, Internet telephony and others. These applications have difficulties working through NAT (Network Address Translation). Special Applications makes some of these applications work with the DIR-825. If you need to run applications that require multiple connections, specify the port normally associated with an application in the “Trigger Port” field, select the protocol type as TCP or UDP, then enter the firewall (public) ports associated with the trigger port to open them for inbound traffic.

The DIR-825 provides some predefined applications in the table on the bottom of the web page. Select the application you want to use and enable it.

Name: Enter a name for the rule. You may select a pre-defined application from the drop-down menu and click <<.

Trigger: This is the port used to trigger the application. It
can be either a single port or a range of ports.
Traffic Type: Select the protocol of the trigger port (TCP,
UDP, or Both).
Firewall: This is the port number on the Internet side
that will be used to access the application. You
may define a single port or a range of ports.
You can use a comma to add multiple ports or
port ranges.
Traffic Type: Select the protocol of the firewall port (TCP,
UDP, or Both).
Schedule: The schedule of time when the Application Rule
will be enabled. The schedule may be set to
Always, which will allow the particular service
to always be enabled.You can create your own
times in the Tools > Schedules section.
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