Digi IX20, Руководство пользователя

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Serial port Configure the serial port
IX20 User Guide 158
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To limit access based on firewall zones:
(config)> add serial port1 service tcp acl zone end value
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 list additional firewall zones.
d. (Optional) Enable mDNS . mDNS is a protocol that resolves host names in small networks
that do not have a DNS server.
(config)> serial port1 service tcp mdns enable true
(config)>
9. Configure telnet access to this port:
CAUTION! This connection is not authenticated or encrypted.
a. Enable telnet access:
(config)> serial port1 service telnet enable false
(config)>
b. Set the telnet port:
(config)> serial port1 service telnet port port
(config)>
c. (Optional) Configure the access control list to limit access to the telnet connection: