Chapter 43 System
ZyWALL/USG Series User’s Guide
860
43.8.5.2 Example 2: Linux
This section describes how to access the ZyWALL/USG using the OpenSSH client program that
comes with most Linux distributions.
1 Test whether the SSH service is available on the ZyWALL/USG.
Enter “telnet 192.168.1.1 22” at a terminal prompt and press [ENTER]. The computer
attempts to connect to port 22 on the ZyWALL/USG (using the default IP address of
192.168.1.1).
A message displays indicating the SSH protocol version supported by the ZyWALL/USG.
Figure 608 SSH Example 2: Test
2 Enter “ssh –1 192.168.1.1”. This command forces your computer to connect to the ZyWALL/USG
using SSH version 1. If this is the first time you are connecting to the ZyWALL/USG using SSH, a
message displays prompting you to save the host information of the ZyWALL/USG. Type “yes” and
press [ENTER].
Then enter the password to log in to the ZyWALL/USG.
Figure 609 SSH Example 2: Log in
3 The CLI screen displays next.
43.9 Telnet
You can use Telnet to access the ZyWALL/USG’s command line interface. Specify which zones allow
Telnet access and from which IP address the access can come.
43.9.1 Configuring Telnet
Click Configuration > System > TELNET to configure your ZyWALL/USG for remote Telnet
access. Use this screen to specify from which zones Telnet can be used to manage the ZyWALL/
USG. You can also specify from which IP addresses the access can come.
$ telnet 192.168.1.1 22
Trying 192.168.1.1...
Connected to 192.168.1.1.
Escape character is '^]'.
SSH-1.5-1.0.0
$ ssh –1 192.168.1.1
The authenticity of host '192.168.1.1 (192.168.1.1)' can't be established.
RSA1 key fingerprint is 21:6c:07:25:7e:f4:75:80:ec:af:bd:d4:3d:80:53:d1.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.1.1' (RSA1) to the list of known hosts.
Administrator@192.168.1.1's password:
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