da página ssh_config man
:
HostKeyAlgorithms
Specifies the protocol version 2 host key algorithms that the client wants to use in order of preference. The default for this option is:
[email protected],
[email protected],
[email protected],
[email protected],[email protected],
[email protected],[email protected],
ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
ssh-rsa,ssh-dss
If hostkeys are known for the destination host then this default is modified to prefer their algorithms.