Instruction manual

With the Firewall enabled it is possible to define specific traffic that will be

allowed by configuring the destination port, as described in the following steps.

x Navigate to the ‘Rules’ tab

x Enter a name for the rule

x Configure the ‘Destination PORT’ to match that of the datalogger

(i.e. 6785). This must be the same as the PakBus port and the local

listening port configured in Section 5.3.6.

x Click the‘Add’ button, then click the‘Apply’ button.

5.3.7.2 Port Forwarding (PPP and Ethernet Devices)

If you are using the modem’s serial PPP mode or are connecting to an Ethernet

device (e.g. CC5MPX), Port forwarding rules specifying how to direct

incoming traffic to the device must be created. In the case where there are

multiple devices, or only specific ports need to be passed, port forwarding is

used to forward traffic coming in from the Wide Area Network (WAN) to

specific IP Addresses and ports on the Local Area Network (LAN). The

IPn3Gb looks at each incoming Ethernet packet on the WAN and by using the

destination port number, determines where it will send the data on the private

LAN.

The fields required to configure port forwarding are found on the Port

Forwarding tab under the Firewall tab of the IPn3Gb user interface (see Figure

5-1 – Port Forwarding Fields). In order to implement a port forwarding rule,

enter the required values, click the Add button then the Apply button. Port

forwarding can be used in combination with other firewall features, but the

firewall must be enabled for port forwarding to be in effect.