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Page 316 / 944 Scroll up to view Page 311 - 315
Chapter 16 DDNS
ZyWALL USG 50 User’s Guide
316
Note: Record your DDNS account’s user name, password, and domain name to use
to configure the ZyWALL.
After, you configure the ZyWALL, it automatically sends updated IP addresses to
the DDNS service provider, which helps redirect traffic accordingly.
Finding Out More
See
Section 6.5.9 on page 99
for related information on these screens.
16.2
The DDNS Screen
The
DDNS
screen provides a summary of all DDNS domain names and their
configuration. In addition, this screen allows you to add new domain names, edit
the configuration for existing domain names, and delete domain names. Click
Configuration > Network > DDNS
to open the following screen.
Figure 189
Configuration > Network > DDNS
The following table describes the labels in this screen.
Table 90
Configuration > Network > DDNS
LABEL
DESCRIPTION
Add
Click this to create a new entry.
Edit
Double-click an entry or select it and click
Edit
to open a screen where
you can modify the entry’s settings.
Remove
To remove an entry, select it and click
Remove
. The ZyWALL confirms
you want to remove it before doing so.
Activate
To turn on an entry, select it and click
Activate
.
Inactivate
To turn off an entry, select it and click
Inactivate
.
#
This is the number of an individual DDNS profile.
Status
This icon is lit when the entry is active and dimmed when the entry is
inactive.
Profile Name
This field displays the descriptive profile name for this entry.
DDNS Type
This field displays which DDNS service you are using.
Domain Name
This field displays each domain name the ZyWALL can route.
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Chapter 16 DDNS
ZyWALL USG 50 User’s Guide
317
Primary
Interface/IP
This field displays the interface to use for updating the IP address
mapped to the domain name followed by how the ZyWALL determines
the IP address for the domain name.
from interface
- The IP address comes from the specified interface.
auto detected
-The DDNS server checks the source IP address of the
packets from the ZyWALL for the IP address to use for the domain name.
custom
- The IP address is static.
Backup
Interface/IP
This field displays the alternate interface to use for updating the IP
address mapped to the domain name followed by how the ZyWALL
determines the IP address for the domain name. The ZyWALL uses the
backup interface and IP address when the primary interface is disabled,
its link is down or its connectivity check fails.
from interface
- The IP address comes from the specified interface.
auto detected
-The DDNS server checks the source IP address of the
packets from the ZyWALL for the IP address to use for the domain name.
custom
- The IP address is static.
Apply
Click this button to save your changes to the ZyWALL.
Reset
Click this button to return the screen to its last-saved settings.
Table 90
Configuration > Network > DDNS (continued)
LABEL
DESCRIPTION
Page 318 / 944
Chapter 16 DDNS
ZyWALL USG 50 User’s Guide
318
16.2.1
The Dynamic DNS Add/Edit Screen
The
DDNS Add/Edit
screen allows you to add a domain name to the ZyWALL or
to edit the configuration of an existing domain name. Click
Configuration >
Network > DDNS
and then an
Add
or
Edit
icon to open this screen.
Figure 190
Configuration > Network > DDNS > Add
The following table describes the labels in this screen.
Table 91
Configuration > Network > DDNS > Add
LABEL
DESCRIPTION
Show Advance
Settings / Hide
Advance
Settings
Click this button to display a greater or lesser number of configuration
fields.
Enable DDNS
Profile
Select this check box to use this DDNS entry.
Profile Name
When you are adding a DDNS entry, type a descriptive name for this
DDNS entry in the ZyWALL. You may use 1-31 alphanumeric characters,
underscores(
_
), or dashes (-), but the first character cannot be a
number. This value is case-sensitive.
This field is read-only when you are editing an entry.
DDNS Type
Select the type of DDNS service you are using.
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Chapter 16 DDNS
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319
Username
Type the user name used when you registered your domain name. You
can use up to 31 alphanumeric characters and the underscore. Spaces
are not allowed.
For a Dynu DDNS entry, this user name is the one you use for logging
into the service, not the name recorded in your personal information in
the Dynu website.
Password
Type the password provided by the DDNS provider. You can use up to 64
alphanumeric characters and the underscore. Spaces are not allowed.
DDNS Settings
Domain name
Type the domain name you registered. You can use up to 255 characters.
Primary
Binding
Address
Use these fields to set how the ZyWALL determines the IP address that is
mapped to your domain name in the DDNS server. The ZyWALL 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 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 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 and the DDNS server.
Note: The ZyWALL may not determine the proper IP address if
there is an HTTP proxy server between the ZyWALL and the
DDNS server.
Custom
- If you have a static IP address, you can select this to use it for
the domain name. The ZyWALL 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
Address
Use these fields to set an alternate interface to map the domain name to
when the 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.
Table 91
Configuration > Network > DDNS > Add (continued)
LABEL
DESCRIPTION
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Chapter 16 DDNS
ZyWALL USG 50 User’s Guide
320
IP Address
The options available in this field vary by DDNS provider.
Interface
-The ZyWALL 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 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 and the DDNS server.
Note: The ZyWALL may not determine the proper IP address if
there is an HTTP proxy server between the ZyWALL and the
DDNS server.
Custom
- If you have a static IP address, you can select this to use it for
the domain name. The ZyWALL 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,
www.yourhost.dyndns.org
and still reach your hostname.
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
john-
to the host record 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
for more information about mail exchangers.
Backup Mail
Exchanger
This option is only available with a DynDNS account.
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.
OK
Click
OK
to save your changes back to the ZyWALL.
Cancel
Click
Cancel
to exit this screen without saving.
Table 91
Configuration > Network > DDNS > Add (continued)
LABEL
DESCRIPTION

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