Chapter 43 System
ZyWALL USG 20/20W User’s Guide
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Note: It is recommended that you disable Telnet and FTP when you configure SSH for
secure connections.
Figure 400 Configuration > System > SSH
The following table describes the labels in this screen.
Table 203 Configuration > System > SSH
LABEL DESCRIPTION
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 use that service for
remote management.
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 Chapter 39 on page 589 for details).
Service Control This specifies from which computers you can access which ZyWALL
zones.
Add Click this to create a new entry. Select an entry and click Add to create a
new entry after the selected entry. Refer to Table 201 on page 650 for
details on the screen that opens.
Edit Double-click an entry or select it and click Edit to be able to modify the
entry’s settings.
Remove To remove an entry, select it and click Remove. The ZyWALL confirms
you want to remove it before doing so. Note that subsequent entries
move up by one when you take this action.
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