Chapter 18. OpenSSH: Secure Network Communication

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IN THIS CHAPTER

About OpenSSH

580

OpenSSH Clients

583

JumpStart: Using ssh and scp

583

sshd: OpenSSH Server

591

JumpStart: Starting the sshd Daemon

591

Authorized Keys: Automatic Login

592

Troubleshooting

595

Tunneling/Port Forwarding

596

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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. In this way they thwart malicious users who would eavesdrop, hijack connections, and steal passwords.

This chapter covers the following OpenSSH tools:

  • scp Copies files to/from another system

  • sftp Copies files to/from other systems (a secure replacement ...

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