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NB504 User Guide YML864Rev1
50 www.netcomm.com.au
To add a new rule, enter the following data on the Port Triggering screen.
1. Click the Add New button. (pop-up figure 5-28)
2. Enter a port number used by the application when it generates an outgoing request.
3. Select the protocol used for Trigger Port from the pull-down list, either TCP, UDP, or All.
4. Enter the range of port numbers used by the remote system when it responds to the PC’s request.
5. Select the protocol used for Incoming Ports Range from the pull-down list, either TCP or UDP, or All.
6. Select the Enable checkbox to enable.
7. Click the Save button to save the new rule.
Figure 5-28 Add or Modify a Triggering Entry
There are many popular applications in the Common Applications list. You can select it, and the application will
fill in the Trigger Port, incoming Ports Range boxes and select the Enable checkbox. It has the same effect as
adding a new rule.
To modify or delete an existing entry:
1. Click the Modify in the entry you want to modify. If you want to delete the entry, click the Delete.
2. Modify the information.
3. Click the Save button.
Click the Enable All button to make all entries enabled
Click the Disabled All button to make all entries disabled.
Click the Delete All button to delete all entries
Note:
1. When the trigger connection is released, the according opening ports will be closed.
2. Each rule allowed to be used only by one host on LAN synchronously. The trigger connection of other hosts on LAN will be refused.
3. Incoming Port Range cannot overlap each other.