regrading money ... it was a joke.
Also some SSH stuff is already written by me (in case if anybody wants to read more )
OpenSSH Root user account restriction - revisited :
http://www.cyberciti.biz/tips/openss...revisited.html
Linux PAM configuration that allows or deny login via the sshd server:
http://www.cyberciti.biz/tips/linux-...hd-server.html
OpenSSH deny or restrict access to users and groups :
http://www.cyberciti.biz/tips/openss...nd-groups.html
Force OpenSSH (sshd) to listen on selected multiple IP address only :
http://www.cyberciti.biz/tips/howto-...p-address.html