Chapter 63 System
ZyWALL Series CLI Reference Guide
519
63.6.3 DNS Command Examples
This command sets an A record that specifies the mapping of a fully qualified domain name
(www.abc.com) to an IP address (210.17.2.13).
This command displays security options configured for the customized and default rules.
63.7 Authentication Server Overview
The Zyxel Device can also work as a RADIUS server to exchange messages with other APs for user
authentication and authorization.
ip dns security-options {default | 1}]
Selects to use the default security option or profile ‘1’. The default
allows any address to use additional-from-cache and recursion.
name DNS_OPTIONS_NAME
Names the DNS security options profile.
no address-object-group {any |
PROFILE}
Sets the address object to be any or a previously created one. no
removes the address object from this DNS security options profile.
no additional-from-cache activate
Activated allows the Zyxel Device to reply to queries with previously
cached DNS requests. Deactivated (no) does not.
no recursion activate
Activated recursion allows the Zyxel Device to forward queries it can’t
find in its DNS database. Deactivated (no) does not.
Table 296 Command Summary: DNS (continued)
COMMAND DESCRIPTION
Router# configure terminal
Router(config)# ip dns server a-record www.abc.com 210.17.2.13
Router# configure terminal
Router(config)# show ip dns security-options all
security option rule: 1
Name: Customize
Address Object: RFC1918_1, RFC1918_2, RFC1918_3
Additional Info from Cache: allow
Recursion Query: deny
security option rule: default
Name: Default
Address Object: any
Additional Info from Cache: allow
Recursion Query: allow
Router(config)#
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