November 2005
Beginner to intermediate
528 pages
24h 11m
English
The Secure Shell (SSH) is a protocol for using key-based encryption to allow secure communication between machines. As its name suggests, it is most commonly used for interactive sessions with shells on remote machines, so that you can use the ssh command.
Mac OS X ships with the OpenSSH (http://www.openssh.com) client and server software. This includes the ssh command, which you use to open SSH connections to other machines, and the sshd daemon program, which you run to allow other machines to SSH into your Mac.
As with FTP (see the earlier section "File Transfer Protocol (FTP)“), running an SSH service (the sshd daemon) on Mac OS X is easy: just activate the Remote Login checkbox in the Sharing pane.
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