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Comparison of SSH clients
From Wikipedia, the free encyclopedia
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An SSH client is a software program which uses the secure shell protocol to connect to a remote computer. This article compares a selection of notable clients.
General
- Based on wolfCrypt.
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Platform
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The operating systems or virtual machines the SSH clients are designed to run on without emulation include several possibilities:
- Partial indicates that while it works, the client lacks important functionality compared to versions for other OSs but may still be under development.
The list is not exhaustive, but rather reflects the most common platforms today.
- Only for jailbroken devices.
- lsh supports only one BSD platform officially, FreeBSD.
- Included and enabled by default since windows 10 version 1803. Win32-OpenSSH can be installed as an optional component in the Windows versions before Windows 10 version 1803 to Windows 10 version 1709. Portable version can be download from Win32-OpenSSH for other versions.
- The majority of Linux distributions have OpenSSH as an official package, but a few do not.
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Technical
- Can the SSH client connect itself through a proxy? This is distinct from offering a SOCKS proxy or port forwarding.
- The ability for the SSH client to establish a VPN, e.g. using TUN/TAP.
- OpenSSH deleted SSH protocol version 1 support in version 7.6 (2017-10-03)
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Features
- The ability to transmit mouse input to text mode applications such as Midnight Commander
- Only when the terminal itself supports mouse input. Most graphical ones do, e.g. xterm.
- OpenSSH supports the minimal certificate format since v5.4. "OpenSSH Release Notes: 5.4". OpenBSD Project. 2010-03-08. Retrieved 2021-08-30.
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Authentication key algorithms
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This table lists standard authentication key algorithms implemented by SSH clients. Some SSH implementations include both server and client implementations and support custom non-standard authentication algorithms not listed in this table.
ssh-dss
is based on Digital Signature Algorithm which is sensitive to entropy, secrecy, and uniqueness of its random signature value.- PuTTY does not support security keys / FIDO tokens, but is supported in PuTTY-CAC
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See also
References
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