Digi Connect IT 4

Services Configure DNS
Digi Connect IT® 4 User Guide
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3. Configure access control:
n To limit access to specified IPv4 addresses and networks:
(config)> add service dns 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 DNS service.
Repeat this step to list additional IP addresses or networks.
n To limit access to specified IPv6 addresses and networks:
(config)> add service dns 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 DNS service.
Repeat this step to list additional IP addresses or networks.
n To limit access to hosts connected through a specified interface on the Connect IT 4
device:
(config)> add service dns 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:
(config)> ... network interface ?
Interfaces
Additional Configuration
-------------------------------------------
defaultip Default IP
defaultlinklocal Default Link-local IP
lan LAN
loopback Loopback
modem Modem
wan WAN
(config)>
Repeat this step to list additional interfaces.