I haven't search for the information as Marc did.
But when I try to connect it says:
Permission denied (publickey).
--
You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to openssh in Ubuntu.
https://bugs.launchpad.net/bugs/1522190
Title:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: openssh (Ubuntu)
Status: New => Confirmed
--
You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to openssh in Ubuntu.
Thanks for taking the time to report this bug and helping to make Ubuntu
better. We appreciate the difficulties you are facing, but this appears
to be a "regular" (non-security) bug. I have unmarked it as a security
issue since this bug does not show evidence of allowing attackers to
cross
We have a winner: setting usePAM to no generates the issue:
/etc/ssh/sshd_config
---
...
usePAM no
ChallengeResponseAuthentication no
PasswordAuthentication no
PermitEmptyPasswords no
...
ssh -v root@localhost
-
...
debug1: