ZyXEL Communications ZyWALL 300 User Manual
Chapter 43 System
ZyWALL USG 300 User’s Guide
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43.5.7 Domain Zone Forwarder
A domain zone forwarder contains a DNS server’s IP address. The ZyWALL can query the
DNS server to resolve domain zones for features like VPN, DDNS and the time server. A
domain zone is a fully qualified domain name without the host. For example, zyxel.com.tw is
the domain zone for the www.zyxel.com.tw fully qualified domain name.
DNS server to resolve domain zones for features like VPN, DDNS and the time server. A
domain zone is a fully qualified domain name without the host. For example, zyxel.com.tw is
the domain zone for the www.zyxel.com.tw fully qualified domain name.
43.5.8 Adding a Domain Zone Forwarder
Click the Add icon in the Domain Zone Forwarder table to add a domain zone forwarder
record.
record.
Figure 422 System > DNS > Domain Zone Forwarder Edit
The following table describes the labels in this screen.
Table 202 System > DNS > Domain Zone Forwarder Edit
LABEL
DESCRIPTION
Domain Zone
A domain zone is a fully qualified domain name without the host. For example,
zyxel.com.tw is the domain zone for the www.zyxel.com.tw fully qualified domain
name. For example, whenever the ZyWALL receives needs to resolve a
zyxel.com.tw domain name, it can send a query to the recorded name server IP
address.
Enter * if all domain zones are served by the specified DNS server(s).
zyxel.com.tw is the domain zone for the www.zyxel.com.tw fully qualified domain
name. For example, whenever the ZyWALL receives needs to resolve a
zyxel.com.tw domain name, it can send a query to the recorded name server IP
address.
Enter * if all domain zones are served by the specified DNS server(s).
DNS Server
Select DNS Server(s) from ISP if your ISP dynamically assigns DNS server
information. You also need to select an interface through which the ISP provides
the DNS server IP address(es). The interface should be activated and set to be a
DHCP client. The fields below display the (read-only) DNS server IP address(es)
that the ISP assigns. N/A displays for any DNS server IP address fields for which
the ISP does not assign an IP address.
Select Public DNS Server if you have the IP address of a DNS server. Enter the
DNS server's IP address in the field to the right. The ZyWALL must be able to
connect to the DNS server without using a VPN tunnel. The DNS server could be
on the Internet or one of the ZyWALL’s local networks. You cannot use 0.0.0.0.
Select Private DNS Server if you have the IP address of a DNS server to which
the ZyWALL connects through a VPN tunnel. Enter the DNS server's IP address in
the field to the right. You cannot use 0.0.0.0.
information. You also need to select an interface through which the ISP provides
the DNS server IP address(es). The interface should be activated and set to be a
DHCP client. The fields below display the (read-only) DNS server IP address(es)
that the ISP assigns. N/A displays for any DNS server IP address fields for which
the ISP does not assign an IP address.
Select Public DNS Server if you have the IP address of a DNS server. Enter the
DNS server's IP address in the field to the right. The ZyWALL must be able to
connect to the DNS server without using a VPN tunnel. The DNS server could be
on the Internet or one of the ZyWALL’s local networks. You cannot use 0.0.0.0.
Select Private DNS Server if you have the IP address of a DNS server to which
the ZyWALL connects through a VPN tunnel. Enter the DNS server's IP address in
the field to the right. You cannot use 0.0.0.0.
OK
Click OK to save your customized settings and exit this screen.
Cancel
Click Cancel to exit this screen without saving