ZyXEL Communications ZyWALL 5 User Manual page 336

ZyWALL 5 Internet Security Appliance
FIELD
DDNS Type Press [SPACE BAR] and then [ENTER] to select DynamicDNS if you
have a dynamic IP address(es). Select StaticDNS if you have a static
IP address(s).
Select CustomDNS to have dyns.org provide DNS service for a
domain name that you already have from a source other than
dyndns.org.
Host Name 1-3 Enter your host name(s) in the fields provided. You can specify up to
two host names separated by a comma in each field.
Username Enter your user name.
Password Enter the password assigned to you.
Enable Wildcard Your ZyWALL supports DYNDNS Wildcard. Press [SPACE BAR] and
Option then [ENTER] to select Yes or No This field is N/A when you choose
DDNS client as your service provider.
Enable Off Line This field is only available when CustomDNS is selected in the
Option DDNS Type field. Press [SPACE BAR] and then [ENTER] to select
Yes. When Yes is selected,
redirected to a URL that you have previously specified (see
www.dyndns.org
IP Address Update Policy:
You can select Yes in either the DDNS Server Auto Detect IP Address field (recommended) or the Use
Specified IP Address field, but not both.
With the DDNS Server Auto Detect IP Address and Use Specified IP Address fields both set to No, the
DDNS server automatically updates the IP address of the host name(s) with the ZyWALL's WAN IP address.
DDNS does not work with a private IP address. When both fields are set to No, the ZyWALL must have a public
WAN IP address in order for DDNS to work.
DDNS Server Only select this option when there are one or more NAT routers
Auto Detect IP between the ZyWALL and the DDNS server. Press [SPACE BAR] to
Address select Yes and then press [ENTER] to have the DDNS server
automatically detect and use the IP address of the NAT router that
has a public IP address.
Use Specified IP Press [SPACE BAR] to select Yes and then press [ENTER] to update
Address the IP address of the host name(s) to the IP address specified below.
Only select Yes if the ZyWALL uses or is behind a static public IP
address.
Use IP Address Enter the static public IP address if you select Yes in the Use
Specified IP Address field.
When you have completed this menu, press [ENTER] at the prompt "Press ENTER to Confirm..." to save your
configuration, or press [ESC] at any time to cancel.
The IP address updates when you reconfigure menu 1 or perform DHCP client renewal.
23-4
Table 23-3 Menu 1.1 Configure Dynamic DNS
DESCRIPTION
http://www.dyndns.org/
for details).
The DDNS server may not be
able to detect the proper IP
address if there is an HTTP proxy
server between the ZyWALL and
the DDNS server.
EXAMPLE
DynamicDNS
(default)
me.dyndns.org
traffic is
SMT Menu 1 - General Setup
No
Yes
Yes
No
N/A