On 12/22/16 17:39 +0800, Frank Yu wrote:
I can see this log from audit.log when try to login
type=USER_AUTH msg=audit(1482399412.928:11840): pid=23099 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:sshd_t:s0-s0:c0.c1023 msg='op=pubkey acct="luo.lu" exe="/usr/sbin/sshd" hostname=? addr=10.31.0.113 terminal=ssh res=failed'
I presume you are using selinux? If so I can't offer much help here other than to suggest disabling it in a lab environment to see if that's what's tripping you up.
Can you get better logging from sshd?