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5 ssh overview, 6 how ssh works, Figure 126 ssh communication example – ZyXEL Communications ES-2108 Series User Manual

Page 213

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Chapter 27 Access Control

ES-2108 Series User’s Guide

213

27.5 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 126 SSH Communication Example

27.6 How SSH works

The following table summarizes how a secure connection is established between two remote
hosts.

Apply

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.

Cancel

Click Cancel to begin configuring this screen afresh.

Table 86 Management > Access Control > Logins (continued)

LABEL

DESCRIPTION