Digi TX54 User Manual page 799

Firewall
9. For Incoming port(s), type the public-facing port number that network connections must use
for their traffic to be forwarded.
10. For To Address, type the IP address of the server to which traffic should be forwarded.
11. For Destination Port(s), type the port number, comma-separated list of port numbers, or
range of port numbers on the server to which traffic should be forwarded. For example, to
forward traffic to ports one, three, and five through ten, enter: 1, 3, 5-10.
12. (Optional) Click Access control list to create a white list of devices that are authorized to
leverage this forwarding rule, based on either the IP address or firewall zone:
To white list IP addresses:
n
a. Click Addresses.
b. For Add Address, enter an IP address and click .
c. Repeat for each additional IP address that should be white listed.
To specify firewall zones for white listing:
n
a. Click Zones.
b. For Add zone, click .
c. For Zone, select the appropriate zone.
d. Repeat for each additional zone.
13. Click Apply to save the configuration and apply the change.

Command line
1. Log into the TX54 command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to access the Admin CLI.
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. At the config prompt, type:
(config)> add firewall dnat end
(config firewall dnat 0)>
Port forwarding rules are enabled by default. To disable the rule:
(config firewall dnat 0)> enable false
(config firewall dnat 0)>
TX54 User Guide
Port forwarding rules
799