[CentOS] ultrasecure sshd server

[Emmanuel Noobadmin]

On 6/10/11, Eero Volotinen <eero.volotinen at iki.fi> wrote:
> This is not same case, I need publickey and normal password
> authentication. not password protected privatekey.

How about using the ForceCommand described here
https://calomel.org/openssh.html to add a second layer of
authentication. In his case, he used a date related question but it
should be possible to run a script checking for a normal login
password?