Configuring device DNS settings
Organization users with permission can view and configure device DNS setttings.
To configure DNS settings:
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Go to Security > Network.
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Select the appropriate device and then select DNS Settings from the System dropdown.
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In the form, configure the following settings:
Setting
Guidelines
Primary DNS Server
Required. Specify the address of the primary DNS server.
Secondary DNS Server
Required. Specify the address of the secondary DNS server.
Local Domain Name
Optional.Configure up to eight domain names.
When a device requests a URL that does not include an FQDN, the URL is resolved by traversing through this list and performing a query for each domain until the first match is found.
DNS Protocols
Enable or disable the protocols to use for DNS requests.
Dynamic DNS
Configure dynamic DNS settings. See Configuring dynamic DNS.
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Click Save
The DNS settings are saved. As with other device settings, you must install it to the device before it can take effect. See Installing updates to devices.
Configuring dynamic DNS
If the external IP address changes regularly and you want a static domain name, you can configure the external interface to use a dynamic DNS (DDNS) service. This ensures that external users and customers can always connect to your firewall.
Multiple DDNS interfaces can be configured. The number of DDNS entries that can be configured is restricted by the specific device. Some devices do not support DDNS.
To configure dynamic DNS:
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In Dynamic DNS, click Create.
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In the form, configure the following settings:
Setting
Guidelines
Interface
Required. Select the device interface.
Server
Required. Select the dynamic DNS server.
Unique Location
Required. Enter the unique location name for this DDNS entry.
Username
Optional. If needed, enter the username for the dynamic DNS server.
Password
Required. If needed, enter the password for the dynamic DNS server.
The resulting domain name is displayed in Domain.
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Click Save.