Kyllä pääsen sisään.
#PasswordAuthentication no
# PasswordAuthentication. Depending on your PAM configuration,
# PAM authentication, then enable this but set PasswordAuthentication
# Change to yes to enable challenge-response passwords (beware issues with
ChallengeResponseAuthentication no
# be allowed through the ChallengeResponseAuthentication and
# PAM authentication via ChallengeResponseAuthentication may bypass
# and ChallengeResponseAuthentication to 'no'.
edit: tällainen rivi löytyy sshd_config tiedostosta. Voisiko tämä liittyä asiaan?
#KerberosOrLocalPasswd yes