Chapter 44 System
ZyWALL USG Series User’s Guide
922
Figure 644
Configuration > System > DNS > Service Control Rule Add
The following table describes the labels in this screen.
44.7 WWW Overview
The following figure shows secure and insecure management of the Zyxel Device coming in from the
WAN. HTTPS and SSH access are secure. HTTP and Telnet access are not secure.
Note: To allow the Zyxel Device to be accessed from a specified computer using a service,
make sure you do not have a service control rule or to-Zyxel Device security policy rule
to block that traffic.
To stop a service from accessing the Zyxel Device, clear
Enable
in the corresponding service screen.
44.7.1 Service Access Limitations
A service cannot be used to access the Zyxel Device when:
1
You have disabled that service in the corresponding screen.
2
The allowed IP address (address object) in the
Service Control
table does not match the client IP
address (the Zyxel Device disallows the session).
Table 373 Configuration > System > DNS > Service Control Rule Add
LABEL
DESCRIPTION
Create new
Object
Use this to configure any new settings objects that you need to use in this screen.
Address Object
Select
ALL
to allow or deny any computer to send DNS queries to the Zyxel Device.
Select a predefined address object to just allow or deny the computer with the IP address that
you specified to send DNS queries to the Zyxel Device.
Zone
Select
ALL
to allow or prevent DNS queries through any zones.
Select a predefined zone on which a DNS query to the Zyxel Device is allowed or denied.
Action
Select
Accept
to have the Zyxel Device allow the DNS queries from the specified computer.
Select
Deny
to have the Zyxel Device reject the DNS queries from the specified computer.
OK
Click
OK
to save your customized settings and exit this screen.
Cancel
Click
Cancel
to exit this screen without saving.
Summary of Contents for USG110
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Page 195: ...195 PART II Technical Reference ...
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