Ssh Implementation On The Zywall; Requirements For Using Ssh; Configuring Ssh; Figure 516 System > Ssh - ZyXEL Communications 200 Series User Manual

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43.7.2 SSH Implementation on the ZyWALL

Your ZyWALL supports SSH versions 1 and 2 using RSA authentication and four encryption

methods (AES, 3DES, Archfour and Blowfish). The SSH server is implemented on the

ZyWALL for management using port 22 (by default).

You must install an SSH client program on a client computer (Windows or Linux operating

system) that is used to connect to the ZyWALL over SSH.

Click System > SSH to change your ZyWALL's Secure Shell settings. Use this screen to

specify from which zones SSH can be used to manage the ZyWALL. You can also specify

from which IP addresses the access can come.

It is recommended that you disable Telnet and FTP when you configure SSH

for secure connections.

Figure 516 System > SSH

The following table describes the labels in this screen.

Table 240 System > SSH

ZyWALL USG 100/200 Series User's Guide

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.

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

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.

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 43 System

Chapter 41 on page 639

Zywall usg 100 series