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A simple ssh server configuration
The following is a cut down ssh daemon configuration that supports public key authentication (only)
Add public keys to "~<user>/.ssh/authorized_keys2" for users as required. Change the sshd configuration as below, and restart the ssh daemon.
/etc/ssh/sshd_config
Protocol 2
PermitRootLogin no
PasswordAuthentication no
ChallengeResponseAuthentication no
KeepAlive no
ClientAliveInterval 15
ClientAliveCountMax 9
SyslogFacility AUTHPRIV
Subsystem sftp /usr/libexec/openssh/sftp-server
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