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SonicOS Enhanced 4.0 Administrator Guide
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Static - A free DNS service for static IP addresses.
Step 9 When using DynDNS.org, you may optionally select Enable Wildcard and/or configure an MX
entry in the Mail Exchanger field. Check Backup MX if this is the backup mail exchanger.
Step 10 Click the Advanced tab. You can typically leave the default settings on this page.
Step 11 The On-line Settings section provides control over what address is registered with the
dynamic DNS provider. The options are:
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Let the server detect IP Address - The dynamic DNS provider determines the IP
address based upon the source address of the connection. This is the most common
setting.
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Automatically set IP Address to the Primary WAN Interface IP Address - This will
cause the SonicWALL device to assert its WAN IP address as the registered IP
address, overriding auto-detection by the dynamic DNS server. Useful if detection is not
working correctly.
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Specify IP Address manually - Allows for the IP address to be registered to be
manually specified and asserted.
Step 12 The Off-line Settings section controls what IP Address is registered with the dynamic DNS
service provider if the dynamic DNS entry is taken off-line locally (disabled) on the SonicWALL.
The options are:
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Do nothing - the default setting. This allows the previously registered address to
remain current with the dynamic DNS provider.
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Use the Off-Line IP Address previously configured at Providers site - If your provider
supports manual configuration of Off-Line Settings, you can select this option to use
those settings when this profile is taken administratively offline.
Step 13 Click OK.