ZyXEL Communications ZyXEL ZyWALL 5 - Manual (Page 352)

ZyWALL 5 User’s Guide
Chapter 21 Remote Management 351
21.15 Configuring DNS
Use DNS (Domain Name System) to map a domain name to its corresponding IP address and
vice versa. Refer to
Chapter 7 on page 123 for more information.
To change your ZyWALL’s DNS settings, click REMOTE MGMT, then the DNS tab. The
screen appears as shown. This feature is not available when the ZyWALL is set to bridge
mode.
Figure 184 DNS
The following table describes the labels in this screen.
Table 124 DNS
LABEL DESCRIPTION
Server Port The DNS service port number is 53 and cannot be changed here.
Service Access Select the interface(s) through which a computer may send DNS queries to the
ZyWALL.
Secure Client IP
Address
A secure client is a “trusted” computer that is allowed to send DNS queries to the
ZyWALL.
Select All to allow any computer to send DNS queries to the ZyWALL.
Choose Selected to just allow the computer with the IP address that you specify to
send DNS queries to the ZyWALL.
Apply Click Apply to save your changes back to the ZyWALL.
Reset Click Reset to begin configuring this screen afresh.