User's Manual

Industrial VPN Security Gateway
IVR-100_IVR-300 Series
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4.6.5 Port Forwarding
Entries in this table allow you to automatically redirect common network services to a specific machine behind
the NAT firewall as shown below. These settings are only necessary if you wish to host some sort of server
like a web server or mail server on the private local network behind your VPN Security Gateway's NAT
firewall.
Figure: Port Forwarding
Object
Description
Port Forwarding
Set the function as enable or disable.
Add Port Forwarding Rule
Go to the Add Port Forwarding Rule page to add a new rule.
Figure: Port Forwarding Rule Setting
Object
Description
Rule Name
Enter any words for recognition.
Protocol
Select the protocol type (TCP, UDP or both). If you are unsure,
please leave it to the default both protocols.
External Service Port
Enter the external ports you want to control. For TCP and UDP
services, enter the beginning of the range of port numbers used by
the service. If the service uses a single port number, enter it in both