ZyXEL Communications NBG420N User Manual

 Chapter 18 Remote Management

NBG420N User’s Guide

You can use Telnet to access the NBG420N’s command line interface. Specify which 
interfaces allow Telnet access and from which IP address the access can come.

To change your NBG420N’s Telnet settings, click Management > Remote MGMT > Telnet. 
The following screen displays. 

Figure 127   Management > Remote MGMT > Telnet 

The following table describes the labels in this screen.

Secured Client IP 

Address

A secured client is a “trusted” computer that is allowed to communicate with the 

NBG420N using this service. 
Select All to allow any computer to access the NBG420N using this service.
Choose Selected to just allow the computer with the IP address that you specify to 

access the NBG420N using this service.

Apply

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

Reset

Click Reset to begin configuring this screen afresh.

Table 80   Management > Remote MGMT > Telnet

Server 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.

Server Access

Select the interface(s) through which a computer may access the NBG420N using 

this service.

Secured Client 

IP Address

A secured client is a “trusted” computer that is allowed to communicate with the 

NBG420N using this service. 
Select All to allow any computer to access the NBG420N using this service.
Choose Selected to just allow the computer with the IP address that you specify to 

access the NBG420N using this service.

Apply

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

Reset

Click Reset to begin configuring this screen afresh.