16.6. Configuration of the /etc/pam.d/ssh file

For better security of your ssh2 server, you can configure it to use pam authentication. To do that, you must create the /etc/pam.d/ssh file.

Create the ssh file touch /etc/pam.d/ssh and add or change, if necessary:

#%PAM-1.0 auth required /lib/security/pam_pwdb.so shadow auth required /lib/security/pam_nologin.so account required /lib/security/pam_pwdb.so password required /lib/security/pam_cracklib.so password required /lib/security/pam_pwdb.so use_authtok nullok md5 shadow session required /lib/security/pam_pwdb.so

For Further documentation and more details, there are several man pages you can read: