Question about host key algorithms

Christian Weisgerber naddy at
Tue Mar 3 09:58:15 AEDT 2020

On 2020-03-02, Luveh Keraph <1.41421 at> wrote:

> Why is it that rsa-sha2-* are not displayed in the output above? In fact,
> no option to -Q elicits them, and they are not mentioned in the OpenSSH
> client and server man pages.

This has been rectified in the three years since 7.4.

"ssh -Q key-sig" produces a list of key signature algorithms;
rsa-sha2-* is mentioned in the man pages; and 8.2 also added
the possibility to directly query the supported schemes of
such configuration options, e.g. "ssh -Q HostKeyAlgorithms".

Christian "naddy" Weisgerber                          naddy at

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