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OpenSSH (or Secure SHell) has become a de facto standard for remote access replacing the telnet protocol. SSH has made protocols such as telnet redundant due, in most part, to the fact that the connection is encrypted and passwords are no longer sent in plain text for all to see.
However, a default installation of ssh isn’t perfect, and when running an ssh server there are a few simple steps that can dramatically harden an installation.
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