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Services
9. (Optional) Type the IP address of the Fallback server. This is a DNS server to be used in the
absence of any other server. The default is 8.8.8.8.
10. (Optional) To add additional DNS servers:
a. Click DNS servers.
b. For Add Server, click .
c. (Optional) Enter a label for the DNS server.
d. For DNS server, enter the IP address of the DNS server.
e. Domain restricts the device's use of this DNS server based on the domain. If no domain
are listed, then all queries may be sent to this server.
11. (Optional) To add host names and their IP addresses that the device's DNS server will resolve:
a. Click Additional DNS hostnames.
b. For Add Host, click .
c. Type the IP address of the host.
d. For Name, type the hostname.
12. Click Apply to save the configuration and apply the change.
Command line
1. Select the device in Remote Manager and click Actions > Open Console, or log into the TX40
local 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:
To limit access to specified IPv4 addresses and networks:
n
(config)> add service dns acl address end value
(config)>
Where value can be:
A single IP address or host name.
l
A network designation in CIDRnotation, for example, 192.168.1.0/24.
l
any: No limit to IPv4 addresses that can access the DNS service.
l
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:
TX40 User Guide
Configure DNS
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