Ssh Overview; How Ssh Works - ZyXEL Communications MES3500 series User Manual

The following table describes the labels in this screen.
Table 152 Management > Access Control > Logins
LABEL
Administrator
This is the default administrator account with the "admin" user name. You cannot change the default
administrator user name. Only the administrator has read/write access.
Old Password
New Password
Retype to
confirm
Edit Logins
You may configure passwords for up to four users. These users have read-only access. You can give users
higher privileges via the CLI. For more information on assigning privileges see the Ethernet Switch CLI
Reference Guide.
User Name
Password
Retype to
confirm
Apply
Cancel

40.5 SSH Overview

Unlike Telnet or FTP, which transmit data in clear text, SSH (Secure Shell) is a secure
communication protocol that combines authentication and data encryption to provide secure
encrypted communication between two hosts over an unsecured network.
Figure 201 SSH Communication Example

40.6 How SSH works

The following table summarizes how a secure connection is established between two remote hosts.
Chapter 40 Access Control
DESCRIPTION
Type the existing system password (1234 is the default password when shipped).
Enter your new system password.
Retype your new system password for confirmation
Set a user name (up to 32 ASCII characters long).
Enter your new system password.
Retype your new system password for confirmation
Click Apply to save your changes to the Switch's run-time memory. The Switch loses
these changes if it is turned off or loses power, so use the Save link on the top
navigation panel to save your changes to the non-volatile memory when you are done
configuring.
Click Cancel to begin configuring this screen afresh.
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