On Fri, Aug 12, 2022 at 7:40 PM Don Eugene Paul Viado
<[email protected]> wrote:
>
> Hi,
>
> I noticed after upgrade to Ubuntu 22.04, Guacamole 1.4.0 could no longer 
> access it via SSH.
> Found out that the guacamole only supports ssh-dss?
> Workaround by adding below on sshd_config:
>
> HostKeyAlgorithms ssh-rsa,ssh-dss
> PubkeyAcceptedKeyTypes ssh-rsa,ssh-dss
>
> May we know when guacamole will support higher KeyTypes/Algo?
>

This is actually not a matter of Guacamole adding this support, but
the underlying SSH library adding this support (libssh2). With respect
to "ssh-rsa" and compatibility with newer versions of the OpenSSH
server, they did this recently:

https://github.com/libssh2/libssh2/pull/626

See: https://github.com/libssh2/libssh2/issues/634

- Mike

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