Unified Security Gateway User's Guide

Chapter 15 DDNS
ZyWALL USG 1000 User’s Guide
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HA Interface This field is only available when the IP Address Update Policy is Interface. Select
the alternative WAN interface to map to the domain name when the WAN interface
is not available. If you do not want to use HA, select none.
Custom IP This field is only available when the IP Address Update Policy is Custom. Type
the IP address to use for the domain name.
Mail Exchanger Type the name of your mail server here, if DynDNS also routes e-mail to this
domain name. This field should be left blank if DynDNS does not.
Backup mail
exchanger
Select this check box if you are using DynDNS’s backup service for e-mail. Please
see www.dyndns.org for more information about this service.
Table 78 Network > DDNS > Edit (continued)
LABEL DESCRIPTION