ZyXEL Communications ZyWALL 300 User Manual

Chapter 44 Service Control

ZyWALL USG 300 User’s Guide

Figure 447   System > SSH

The following table describes the labels in this screen.  

Table 208   System > SSH

Enable

Select the check box to allow or disallow the computer with the IP address that 
matches the IP address(es) in the Service Control table to access the ZyWALL 
CLI using this service.

Version 1

Select the check box to have the ZyWALL use both SSH version 1 and version 2 
protocols. If you clear the check box, the ZyWALL uses only SSH version 2 
protocol.

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 access the ZyWALL using the service.

Server 
Certificate

Select the certificate whose corresponding private key is to be used to identify the 
ZyWALL for SSH connections. You must have certificates already configured in the 
My Certificates screen (Click My Certificates and see 

for 

details).

Service Control

This specifies from which computers you can access which ZyWALL zones.

#

This the index number of the service control rule.

Zone

This is the zone on the ZyWALL the user is allowed or denied to access.

Address

This is the object name of the IP address(es) with which the computer is allowed or 
denied to access.

Action

This displays whether the computer with the IP address specified above can 
access the ZyWALL zone(s) configured in the Zone field (Accept) or not (Deny).

Add icon

Click the Add icon in the heading row to open a screen where you can add a new 
rule. Refer to 

 for information on the fields.

Click the Edit icon to go to the screen where you can edit the rule.
Click the Add icon in an entry to add a rule below the current entry.
Click the Delete icon to remove an existing rule. A window display asking you to 
confirm that you want to delete the rule. Note that subsequent rules move up by 
one when you take this action.
Click the Move to N icon to display a field to type a number for where you want to 
put that rule and press [ENTER] to move the rule to the number that you typed.

Apply

Click Apply to save your changes back to the ZyWALL. 

Reset

Click Reset to begin configuring this screen afresh.