ZyXEL Communications LAYER 3 ES-3124 - Manual (Page 206)

ES-3124 User’s Guide
204 Chapter 27 Access Control
27.4 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 94 SSH Communication Example
27.5 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 reset the fields.
Table 67 Access Control: Logins (continued)
LABEL DESCRIPTION