Firewall Port forwarding rules
Digi Connect IT® 16/48 User Guide
560
a. Use the ? to determine available interfaces:
(config firewall dnat 0)>interface ?
Interface: Network connections will only be forwarded if their
destination address matches the IP address of this network interface.
Format:
defaultip
defaultlinklocal
eth1
eth2
loopback
sfp1
sfp2
wwan
Current value:
(config firewall dnat 0)> interface
b. Set the interface. For example:
(config firewall dnat 0)> interface eth1
(config firewall dnat 0)>
5. Set the IP version. Allowed values are ipv4 and ipv6. The default is ipv4.
(config firewall dnat 0)> ip_version ipv6
(config firewall dnat 0)>
6. Set the public-facing port number that network connections must use for their traffic to be
forwarded.
(config firewall dnat 0)> port port
(config firewall dnat 0)>
7. Set the type of internet protocol .
(config firewall dnat 0)> protocol value
(config firewall dnat 0)>
Network connections will only be forwarded if they match the selected protocol. Allowed
values are custom, tcp, tcpudp, or upd. The default is tcp.
8. Set the IP address of the server to which traffic should be forwarded:
n For IPv4 addresses:
(config firewall dnat 0)> to_address ip-address
(config firewall dnat 0)>
n For IPv6 addresses:
(config firewall dnat 0)> to_address6 ip-address
(config firewall dnat 0)>