Digi AnywhereUSB Plus, User Manual, Page: 238 / 815

Services Configure DNS
AnywhereUSB® Plus User Guide 238
within the device, and cannot be disabled. Use the access control list to restrict external access to this
server.
Required configuration items
n Configure access control for the DNS service.
Additional configuration items
n Whether the device should cache negative responses.
n
Whether the device should always perform DNS queries to all available DNS servers.
n
Whether to prevent upstream DNS servers from returning private IP addresses.
n
Additional DNS servers, in addition to the ones associated with the device's network interfaces.
n
Specific host names and their IP addresses.
The device is configured by default with the hostname digi.device , which corresponds to the
192.168.210.1 IP address.
To configure the DNS server:
É
WebUI
1. Log into the AnywhereUSB Plus WebUI as a user with full Admin access rights.
2. On the menu, click System . Under Configuration , click Device Configuration .
The Configuration window is displayed.
3. Click Services > DNS .
4. Click Access control list to configure access control:
n
To limit access to specified IPv4 addresses and networks:
a. Click IPv4 Addresses .
b. For Add Address , click g .
c. For Address , enter the IPv4 address or network that can access the device's DNS
service. Allowed values are:
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.
d. Click
g
again to list additional IP addresses or networks.
n
To limit access to specified IPv6 addresses and networks:
a. Click IPv6 Addresses .
b. For Add Address , click g .
c. For Address , enter the IPv6 address or network that can access the device's DNS
service. Allowed values are: