ZyXEL 793H 사용자 가이드

Chapter 15 Remote Management Configuration

P-793H User’s Guide

Use DNS (Domain Name System) to map a domain name to its corresponding IP address and 
vice versa. Refer to the chapter on LAN for background information. 
See 

 for background information. Click Advanced > Remote 

MGMT > DNS. The screen appears as shown. Use this screen to set from which IP address 
the ZyXEL Device will accept DNS queries and on which interface it can send them your 
ZyXEL Device’s DNS settings.

Figure 105   Remote MGMT > DNS

The following table describes the labels in this screen.

 

Use this screen to control how the ZyXEL Device responds to other types of requests. Click 
Advanced > Remote MGMT > ICMP. The screen appears as shown.
If an outside user attempts to probe an unsupported port on your ZyXEL Device, an ICMP 
response packet is automatically returned. This allows the outside user to know the ZyXEL 
Device exists. Your ZyXEL Device supports anti-probing, which prevents the ICMP response 
packet from being sent. This keeps outsiders from discovering your ZyXEL Device when 
unsupported ports are probed. 

Table 77   Remote MGMT > DNS

Port

You may change the server port number for a service if needed, however you must 

use the same port number in order to use that service for remote management.

Access Status

Select the interface(s) through which a computer may send DNS queries to the 

ZyXEL Device.

Secured Client IP A secured client is a “trusted” computer that is allowed to send DNS queries to the 

ZyXEL Device.
Select All to allow any computer to send DNS queries to the ZyXEL Device.
Choose Selected to just allow the computer with the IP address that you specify to 

send DNS queries to the ZyXEL Device.

Apply

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

Cancel

Click Cancel to begin configuring this screen afresh.