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Field Name
Description
Use Interface
Select the WAN interface that this NAT rule will apply to.
Select a Service
Select from a list of common applications that typically require port forwards in place.
The port ranges and protocol fields will be pre-populated
Custom Service
If your application does not appear in the preceding drop-down list you may manually en-
ter a unique name for the application.
Server IP Address
IP address of the LAN client in which the service has been hosted.
External Port Start
External Port to start with
External Port End
External Port to end with
Protocol
Protocol used Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) or TCP/UDP
Internal Port Start
Internal Port to start with
Internal Port End
Internal Port to end with
The individual fields on this screen are defined as follows:
Port Triggering
Some applications require that specific ports in the gateway’s firewall be opened for access by remote parties. Port Trigger dy-
namically opens up the ‘Open Ports’ in the firewall when an application on the LAN initiates a TCP/UDP connection to a remote
party using the
Triggering Ports
. The Router allows the remote party from the WAN side to establish new connections back to the
application on the LAN side using the
Open Ports
.
After selecting
Advanced Setup -> NAT -> Port Triggering
from the left navigation bar, click the Add button. Customize the fields
as needed for the firewall pinholes you wish to establish.
A maximum 96 entries can be configured.
Click
Apply/Save
to commit your changes.
