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I have an SSH login problem with our newly installed RedHat Advanced Server 2.1 running on Dell PowerEdge 1750. I CAN SSH into it if I log in as root, however, if I try to log in as normal user, error message 'connection closed' will appear.
Anybody has encountered simliar problem? I don't think it's ssh problem, as I turn on sshd verbose level to DEBUG, sshd is not complaining anything. Instead, I believe it should have something to do with my PAM configuration, but I am new to PAM and cannot find anything wrong with those config files.
# This file is auto-generated.
# User changes will be destroyed the next time authconfig is run.
auth required /lib/security/pam_env.so
auth sufficient /lib/security/pam_unix.so likeauth nullok
auth required /lib/security/pam_deny.so