Www Overview; Service Access Limitations - ZyXEL Communications ZyWall 110 User Manual

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Figure 644 Configuration > System > DNS > Service Control Rule Add

The following table describes the labels in this screen.

Table 373 Configuration > System > DNS > Service Control Rule Add

Address Object

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.

A service cannot be used to access the Zyxel Device when:

You have disabled that service in the corresponding screen.

The allowed IP address (address object) in the Service Control table does not match the client IP

address (the Zyxel Device disallows the session).

Chapter 44 System

Use this to configure any new settings objects that you need to use in this screen.

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.

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.

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.

Click OK to save your customized settings and exit this screen.

Click Cancel to exit this screen without saving.

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