Chapter 19. OpenSSH: Secure Network Communication




OpenSSH is a suite of secure network connectivity tools that replaces telnet/telnetd, rcp, rsh/rshd, rlogin/rlogind, and ftp/ftpd. Unlike the tools they replace, OpenSSH tools encrypt all traffic, including passwords. In this way they thwart malicious users who attempt to eavesdrop, hijack connections, and steal passwords.

This chapter covers the following OpenSSH tools:

  • scpCopies files to and from another system

  • sftpCopies files to and from other systems (a secure replacement ...

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