What is SSH (Secure Shell)?

What is SSH (Secure Shell)?

SSH (Secure Shell) is a protocol for creating a secure connection between two computers.

SCP and SFTP - Secure File Transfer Using SSH

SCP and SFTP are replacements for the legacy `cp` and `ftp` file transfer applications.

SCP and SFTP enable secure encrypted file transfer over an SSH connection.

Free SSH Servers . . .

There are several free SSH implementations available. Some support only SSH, while others also support SCP and SFTP.

OpenSSH

[Operating Systems Supported: AIX, HP-UX, Irix, Linux, NeXT, SCO, SNI/Reliant Unix, Solaris, Digital Unix/Tru64/OSF, Mac OS X, and Cygwin]

Dropbear SSH Server

[Operating Systems Supported: Linux, Mac OS X, FreeBSD, NetBSD, OpenBSD, Solaris, Irix, True64, AIX, HP-UX]

FreeSSH

[Operating Systems Supported: NetBSD, FreeBSD, Linux]

lsh

[Operating Systems Supported: GNU/Linux on Sparc, Intel, PPC and Alpha, FreeBSD, Solaris and IRIX]

SSHD-NT

[Operating Systems Supported: Windows]

OpenSSH for Windows

[Operating Systems Supported: Windows]

Free SSH Clients . . .

OpenSSH

[Operating Systems Supported: AIX, HP-UX, Irix, Linux, NeXT, SCO, SNI/Reliant Unix, Solaris, Digital Unix/Tru64/OSF, Mac OS X, and Cygwin]

FreSSH

[Operating Systems Supported: NetBSD, FreeBSD, Linux]

lsh

[Operating Systems Supported: GNU/Linux on Sparc, Intel, PPC and Alpha, FreeBSD, Solaris and IRIX]

OpenSSH for Windows

[Operating Systems Supported: Windows]

PuTTY

[Operating Systems Supported: Win32 and Unix]

MSSH

[Operating Systems Supported: Windows]

WinSCP

[Operating Systems Supported: Windows (SCP and SFTP, no SSH)]

Fugu

[Operating Systems Supported: Macintosh]

MacSSH

[Operating Systems Supported: Macintosh]

Cyberduck

[Operating Systems Supported: Macintosh (SFTP only)]

pssh

[Operating Systems Supported: Palm OS]

TuSSH

[Operating Systems Supported: Palm OS]