ZyXEL g-2000 plusv2 Guia Do Utilizador

ZyXEL G-2000 Plus v2 User’s Guide

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Chapter 13 Remote Management Screens

Figure 73   Remote Management: DNS

The following table describes the labels in this screen.

To change your ZyXEL device’s security settings, click REMOTE MGMT, then the 
Security tab. 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 60   Remote Management: DNS

Server Port

The DNS service port number is 53 and cannot be changed here.

Server Access

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

ZyXEL device.

Secured Client IP 

Address

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. 

Reset

Click Reset to begin configuring this screen afresh.