Command reference firewall
Digi TransPort WR Routers User Guide
375
firewall
Configures the firewall. The TransPort firewall controls which packets are allowed into and out of the
device. Firewalls can filter packets based on the IP address, protocol, TCP ports, and UDP ports. You
can also use the firewall to do port forwarding. The TransPort firewall is based on the open-source
firewall named iptables. It uses the same syntax as the iptables firewall, except that the rules start
with firewall instead of iptables. The firewall syntax is case-sensitive. For more information on
configuring the firewall, see the Firewall section of the TransPort User Guide and these external
sources: http://www.netfilter.org/documentation and
https://help.ubuntu.com/community/IptablesHowTo
This command is available to super users only.
Syntax
firewall rule
Parameters
rule
Firewall rule.
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