Digi TX54 User Manual page 192

Serial port
iv. (Optional) Enable mDNS. mDNS is a protocol that resolves host names in small
networks that do not have a DNS server.
(config serial USB_port)> service telnet mdns enable true
(config serial USB_port)>
i. Configure ssh access to this port:
i. Enable ssh access:
(config serial USB_port)> service ssh enable false
(config serial USB_port)>
ii. Set the ssh port:
(config serial USB_port)> service ssh port port
(config serial USB_port)>
iii. (Optional) Configure the access control list to limit access to the ssh connection:
TX54 User Guide
Type ... firewall zone ? at the config prompt:
(config serial USB_port)> ... firewall zone ?
Zones: A list of groups of network interfaces that
can be referred to by packet
filtering rules and access control lists.
Additional Configuration
-------------------------------------------------
------------------------------
any
dynamic_routes
edge
external
hotspot
internal
ipsec
loopback
setup
(config serial USB_port)>
Repeat this step to list additional firewall zones.
To limit access to specified IPv4 addresses and networks:
n
(config serial USB_port)> add service ssh acl address end
value
(config serial USB_port)>
Where value can be:
Configure the serial port
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