ZyXEL Communications UAG5100 User Manual page 218

Table 95 Configuration > Network > DDNS > Add (continued)
LABEL DESCRIPTION
IP Address The options available in this field vary by DDNS provider.
Interface -The UAG uses the IP address of the specified interface. This option appears
when you select a specific interface in the Backup Binding Address Interface field.
Auto -The DDNS server checks the source IP address of the packets from the UAG for the
IP address to use for the domain name. You may want to use this if there are one or more
NAT routers between the UAG and the DDNS server.
Note: The UAG may not determine the proper IP address if there is an HTTP proxy server
Custom - If you have a static IP address, you can select this to use it for the domain
name. The UAG still sends the static IP address to the DDNS server.
Custom IP This field is only available when the IP Address is Custom. Type the IP address to use for
the domain name.
Enable Wildcard This option is only available with a DynDNS account.
Enable the wildcard feature to alias subdomains to be aliased to the same IP address as
your (dynamic) domain name. This feature is useful if you want to be able to use, for
example,
Mail Exchanger This option is only available with a DynDNS account.
DynDNS can route e-mail for your domain name to a mail server (called a mail exchanger).
For example, DynDNS routes e-mail for
specified as the mail exchanger.
If you are using this service, type the host record of your mail server here. Otherwise leave
the field blank.
See www.dyndns.org
Backup Mail This option is only available with a DynDNS account.
Exchanger
Select this check box if you are using DynDNS's backup service for e-mail. With this
service, DynDNS holds onto your e-mail if your mail server is not available. Once your mail
server is available again, the DynDNS server delivers the mail to you. See www.dyndns.org
for more information about this service.
DYNDNS Server: This field displays when you select User custom from the DDNS Type field above. Type
the IP address of the server that will host the DDSN service.
URL This field displays when you select User custom from the DDNS Type field above. Type
the URL that can be used to access the server that will host the DDSN service.
Additional DDNS This field displays when you select User custom from the DDNS Type field above. These
Options are the options supported at the time of writing:
• dyndns_system to specify the DYNDNS Server type - for example, dyndns@dyndns.org
• ip_server_name which should be the URL to get the server's public IP address - for
example, http://myip.easylife.tw/
OK Click OK to save your changes back to the UAG.
Cancel Click Cancel to exit this screen without saving.
Chapter 13 DDNS
between the UAG and the DDNS server.
www.yourhost.dyndns.org
for more information about mail exchangers.
UAG Series User's Guide
218
and still reach your hostname.
john-doe@yourhost.dyndns.org to the host record