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KDE is an international technology team creating user-friendly free and open source software for desktop and portable computing. KDE’s software runs on GNU/Linux, BSD and other operating systems, including Windows.

Plasma 6 Bugs

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Connecting with sftp to server who uses legacy ssh-dss (lemm.ee)

submitted 8 months ago by [email protected] to c/[email protected]

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I have been trying to connect to a server using sftp from Dolphin. I unfortunately get the following error message:

kex error : no match for method server host key algo: server [ssh-dss], client [ssh-ed25519,ecdsa-sha2-nistp521,ecdsa-sha2-nistp384,ecdsa-sha2-nistp256,[email protected],[email protected],rsa-sha2-512,rsa-sha2-256]

The problem might be that the server uses the legacy ssh-dss for connections, which is disabled by openSSH. But while with ssh you may add the flag

-oHostKeyAlgorithms=+ssh-dss

to enable it’s use again, yet I can’t find any option to do the same in Dolphin. Is there any way to do this?

I’m on NixOS 24.05 with KDE Plasma 6.0.0 from the unstable branch.

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[–] [email protected] 1 points 8 months ago

Maybe you can set it somewhere in Konsole's SSH Config options.