Secure Shell
Examples of services that can use SSH are Git, rsync and X11 forwarding. Services that always use SSH are SCP and SFTP.
According to Wikipedia:
- Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. Its most notable applications are remote login and command-line execution.
An SSH server, by default, listens on the standard TCP port 22. An SSH client program is typically used for establishing connections to an sshd daemon accepting remote connections. Both are commonly present on most modern operating systems, including macOS, GNU/Linux, Solaris and OpenVMS. Proprietary, freeware and open source versions of various levels of complexity and completeness exist.
Implementations
- Dropbear — Lightweight SSH server. The command-line ssh client is named dbclient(1).
- OpenSSH — Premier connectivity tool for remote login with the SSH protocol
- TinySSH — A minimalistic SSH server which implements only a subset of SSHv2 features; glibc as its single dependency.
Securing
See Security#SSH.
gollark: Butt `thing`?
gollark: It should be `x` or `a` or `y`.
gollark: The random ampersands.
gollark: R U S TUST
gollark: Actually, my great grandparents are immortal, for legal reasons.
See also
- Terminal multiplexers (often used over SSH)
- Wikipedia:Comparison of SSH clients
- Wikipedia:Comparison of SSH servers
- SSH Key Fingerprint formats
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