SSH

The SSH (Secure Shell) specifies a way for a user to remotely control another computer through a secure communications channel. The remote computer must run an SSH server; the user uses an SSH client to connect to the server. From the perspective of the user, an SSH client behaves just like a telnet (or rlogin) client, except that the communication is encrypted, so a third party cannot spy on it. In addition to a secure interactive session, an SSH server generally provides facilities for secure file copying and wrapping any normal TCP/IP connection in a layer of security. (This is known as tunneling.) SSH supports a variety of authentication methods so both computers are satisfied that they know the identity of the other.SSH clients may implement some or all of the above functionality. Not all permit secure file copying, and some have really extensive authentication methods available.There are two versions of the SSH protocol: SSH1 and SSH2. They are not particularly compatible, so it is important to choose an SSH client whose version matches that of the SSH server on the remote computer.

Clients

Servers

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comp.security.ssh

OpenSSH - An open source SSH client and server.
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SSH Communications Security - Extensive information about the SSH protocol. Has a variety of SSH products for sale, including clients, servers, and VPN software.
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IETF Secure Shell (secsh) Working Group - Contact information and papers of a group standardizing the SSH protocol.
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SSH Master FTP Site - Binaries for SSH1 and SSH2 clients and servers for Windows and Unix.
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F-Secure SSH - SSH clients and servers for multiple platforms. Free evaluation versions. Supports secure file copying and tunneling.
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The FreSSH Project - A free SSH1 client and server for Unix
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OpenSSH for Windows - Minimal SSH server and client utilities for Windows which does not require full Cygwin install.
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OpenSSH on Windows - Port of OpenSSH server and client for Windows.
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SSH Patch Repository - NCSA's collection of patches for SSH.
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Articles in this category:

Running a Program on a Remote Server Using SSH - How do you run a program on a remote server using ssh? For this example we'll have two servers, one named Johnny and another named Cash. Both are running openssh. Our goal is to have a program on Jo...
SSH (SCP) Send Files from Windows to Your Linux Box - ...
Secure File Transfer Using SSH Plus Additional Audit & Automation - FSA Reporting - ...

Web Search for SSH Protocols Internet Computers - News search for SSH Protocols Internet Computers - encyclopedia entries for SSH Protocols Internet Computers