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A Practical Guide to Red Hat Linux: Fedora Core and Red Hat Enterprise Linux, Second Edition by Mark G. Sobell

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Chapter 18. OpenSSH: Secure Network Communication

OpenSSH is a suite of secure network connectivity tools that replaces telnet, rcp, rsh/rshd, rlogin/rlogind, and ftp/ftpd. Unlike the tools it replaces, OpenSSH tools encrypt all traffic, including passwords, thwarting malicious users who would eavesdrop, hijack connections, and steal passwords.

This chapter covers the following OpenSSH tools:

scpCopies files to/from another system

sftpCopies files to/from other systems (a secure replacement for ftp)

sshRuns a command on or logs in on another ...

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