Fix to #145. We now have different 'keyboard-interactive' and 'challenge-response' auth types internally. And as with openssl 6.x you have to set both KbdInteractiveAuthentication and ChallengeResponseAuthentication to 'no' to disable keyboard-interactive auth.
Merge pull request #158 from mfazekas/281_ssh_config_bugfix

Fix to #145. We now have different 'keyboard-interactive' and 'challenge...