Digi TX54, User Manual

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Services Configure telnet access
TX54 User Guide 569
c. For Zone , select the appropriate firewall zone from the dropdown.
See Firewall configuration for information about firewall zones.
d. Click

again to allow access through additional firewall zones.
6. Multicast DNS (mDNS) is disabled by default. mDNS is a protocol that resolves host names in
small networks that do not have a DNS server. To enable mDNS, click Enable mDNS .
7. Click Apply to save the configuration and apply the change.

Command line
1. Log into the TX54 command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu . Type admin to access the Admin CLI.
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. Configure access control:
n
To limit access to specified IPv4 addresses and networks:
(config)> add service telnet acl address end value
(config)>
Where value can be:
l
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 telnet service.
Repeat this step to list additional IP addresses or networks.
n To limit access to specified IPv6 addresses and networks:
(config)> add service telnet acl address6 end value
(config)>
Where value can be:
l
A single IP address or host name.
l
A network designation in CIDR notation, for example, 2001:db8::/48.
l
any : No limit to IPv6 addresses that can access the telnet service.
Repeat this step to list additional IP addresses or networks.
n
To limit access to hosts connected through a specified interface on the TX54 device:
(config)> add service telnet acl interface end value
(config)>