ZyXEL Communications USG40 User Manual page 261

Table 112 Configuration > Network > DDNS > Add (continued)
LABEL DESCRIPTION
DDNS Settings
Domain name Type the domain name you registered. You can use up to 255 characters.
Primary Binding Use these fields to set how the ZyWALL/USG determines the IP address that is mapped
Address to your domain name in the DDNS server. The ZyWALL/USG uses the Backup Binding
Address if the interface specified by these settings is not available.
Interface Select the interface to use for updating the IP address mapped to the domain name.
Select Any to let the domain name be used with any interface.
IP Address The options available in this field vary by DDNS provider.
Interface -The ZyWALL/USG uses the IP address of the specified interface. This option
appears when you select a specific interface in the Primary Binding Address
Interface field.
Auto - If the interface has a dynamic IP address, the DDNS server checks the source
IP address of the packets from the ZyWALL/USG 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 ZyWALL/USG and the DDNS server.
Note: The ZyWALL/USG may not determine the proper IP address if there is an HTTP
Custom - If you have a static IP address, you can select this to use it for the domain
name. The ZyWALL/USG 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.
Backup Binding Use these fields to set an alternate interface to map the domain name to when the
Address interface specified by the Primary Binding Interface settings is not available.
Interface Select the interface to use for updating the IP address mapped to the domain name.
Select Any to let the domain name be used with any interface. Select None to not use
a backup address.
IP Address The options available in this field vary by DDNS provider.
Interface -The ZyWALL/USG 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 ZyWALL/
USG 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 ZyWALL/USG and the DDNS server.
Note: The ZyWALL/USG may not determine the proper IP address if there is an HTTP
Custom - If you have a static IP address, you can select this to use it for the domain
name. The ZyWALL/USG 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,
Chapter 10 DDNS
proxy server between the ZyWALL/USG and the DDNS server.
proxy server between the ZyWALL/USG and the DDNS server.
www.yourhost.dyndns.org
ZyWALL/USG Series User's Guide
261
and still reach your hostname.