Configure Dynamic DNS

If you have an account with a dynamic DNS (DDNS) provider, you can enable dynamic DNS on an external interface to maintain the association between your domain name and the dynamic IP address assigned to your device.

You can select to have the dynamic DNS provider use the IP address from your router or NAT device instead of the IP address of the external interface on your Firebox. For example, you might select this option if the external interface of your Firebox has an IP address in a private range.

The configuration options that appear depend on the provider that you select.

To configure dynamic DNS, from Fireware Web UI:

Select Network > Dynamic DNS.
The Dynamic DNS client page appears.
Select a network interface and click Configure.
The Dynamic DNS configuration page appears.

Dynamic DNS page screen shot

Select the Enable Dynamic DNS for interface check box.
(Fireware v12.1.1 and higher) From the Provider drop-down list, select a dynamic DNS provider.
Type the User Name you used to set up your dynamic DNS account.
To specify the password, token, or key:

Duckdns.org

Specify your duckdns.org account Token.

Screen shot of the duckdns.com DDNS configuration

Cloudflare.com (Fireware v12.5.4 or higher)

In the Password text box, specify the Global API Key. This key appears in your cloudflare.com account at Overview > Get your API token.

Screen shot of the cloudflare.com DDNS configuration

All other providers

Type the Password you used to set up your dynamic DNS account.

In the Domain text box, type the FQDN that you registered with your dynamic DNS provider.
For dyn.com, no-ip.com, dynu.com, and duckdns.org, in the Options text box, type one or more of these options:

mx=mailexchanger& — Specifies a Mail eXchanger (MX) for use with the hostname.
backmx=YES|NO& — Requests that the MX in the previous parameter is set up as a backup MX (includes the host as an MX with a lower preference value).
wildcard=ON|OFF|NOCHG& — Enables or disables wildcards for this host (specify ON to enable).
offline=YES|NO — Sets the hostname to offline mode.

You can join one or more options with the ampersand character. For example:
&mx=backup.example.com&backmx=YES&wildcard=ON

For more information, see https://help.dyn.com/remote-access-api/perform-update or the documentation from your dynamic DNS service provider.

In the Forced Update text box, you can specify a time interval to force an update of the IP address. Tip!
For the dynamic DNS provider to use the IP address from your router or NAT device, select the Allow the dynamic DNS provider to determine the IP address check box. Tip!
Click Save.

To configure dynamic DNS, from Policy Manager:

In Policy Manager, select Network > Configuration.
Select the WINS/DNS tab.
Make sure you have defined at least one DNS server. If you have not, follow the procedure in Configure Network DNS and WINS Servers.
Select the Dynamic DNS tab.

Screenshot of Network Configuration dialog box, Dynamic DNS tab

Select the external interface for which you want to configure dynamic DNS and click Configure.
The Per Interface Dynamic DNS dialog box appears.

To enable dynamic DNS, select the Enable Dynamic DNS check box.
(Fireware v12.1.1 and higher) From the Provider drop-down list, select a dynamic DNS provider.
Type the User Name you used to set up your dynamic DNS account.

To specify the password, token, or key: