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Some applications require multiple connections, such as Internet games, video conferencing,
Internet telephony and others. The Special Applications section (see
Figure 23
) allows you to
configure the router to support multiple connections for these types of applications.
If you need to run applications that require multiple connections, then specify the port (outbound)
normally associated with that application in the "Trigger Port" field. Then select the protocol type
(TCP or UDP) and enter the public ports associated with the trigger port to open them up for
inbound traffic.
Example:
ID
Trigger Port
Trigger Type
Public Port
Public Type
Comment
1
28800
UDP
2300-2400, 47624
TCP
MSN Game Zone
2 6112
UDP
6112
UDP
Battle.net
In the example above, when a user trigger’s port 28800 (outbound) for MSN Game Zone then the
router will allow incoming packets for ports 2300-2400 and 47624 to be directed to that user.
Note
: Only one LAN client can use a particular special application at a time.
The Port Mapping function (see
Figure 24
) allows you to re-direct a particular range of service
port numbers (from the Internet/WAN Ports) to a particular LAN IP address. It helps you to host
some servers behind the router NAT firewall.
Figure 23
