Also see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=109846. It is an old bug report (from 2001), but it says this is what we need:
PasswordAuthentication no ChallengeResponseAuthentication no UsePAM no
Also see https:/ /bugs.debian. org/cgi- bin/bugreport. cgi?bug= 109846. It is an old bug report (from 2001), but it says this is what we need:
PasswordAuth entication no ponseAuthentica tion no
ChallengeRes
UsePAM no