Chapter 66 Access Control
XMG1930 Series User’s Guide
466
66.5 Technical Reference
This section provides technical background information on the topics discussed in this chapter.
66.5.1 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 332 SSH Communication Example
66.5.1.1 How SSH Works
The following table summarizes how a secure connection is established between two remote hosts.
Figure 333 How SSH Works
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