Can I restrict authentication types for specific users? (i.e. I want to restrict most accounts in so far, that they can only be accessed if public key authentication was used; and only allow password-authentication for a few specific accounts (I still need the possibility to access those, even if I do not log in from my laptop or other hosts for which a public key has been added to the authorized_keys; so basicallty, I want to leave password auth open only to some accounts as an emergency fallback).
The only thing I've seen in that direction is that permitrootlogin can restrict this just for the root user (PermitRootLogin without-password), but is there a way for "normal" users?
Any help would be greatly appreciated! [using openssh-server 4.2p1-8 on Debian SID, x86]
