Digi IX40 User Manual page 265

Serial port
n
n
To limit access to specified IPv4 addresses and networks:
n
(config)> add serial port1 udp acl address end value
(config)>
Where value can be:
A single IP address or host name.
l
A network designation in CIDR notation, for example, 192.168.1.0/24.
l
any: No limit to IPv4 addresses that can access the service-type.
l
Repeat this step to list additional IP addresses or networks.
IX40 User Guide
To limit access to hosts connected through a specified interface on the IX40 device:
(config)> add serial port1 udp acl interface end value
(config)>
Where value is an interface defined on your device.
Display a list of available interfaces:
Use ... network interface ?to display interface information:
Repeat this step to list additional interfaces.
To limit access based on firewall zones:
(config)> add serial port1 udp acl zone end value
(config)>
Where value is a firewall zone defined on your device, or the any keyword.
Display a list of available firewall zones:
Type ... firewall zone ?at the config prompt:
(config)> ... 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
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any
dynamic_routes
edge
external
internal
ipsec
loopback
setup
(config)>
Repeat this step to include additional firewall zones.
Configure UDP serial mode
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