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A Practical Guide to Ubuntu Linux (Versions 8.10 and 8.04), Second Edition by Mark G. Sobell

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18 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:

scp—Copies files to and from another system

sftp— ...

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