Plan for your PAM installation. 

Consider configuration issues and make decisions about them before you start the software configuration process. 

Planning for Your PAM Implementation

Add new PAM modules. 

Sometimes, site-specific modules must be written and installed to cover requirements that are not part of the generic software. This procedure explains how to install these new PAM modules. 

How to Add a PAM Module

Block access through ~/.rhosts.

Further increase security by preventing access through ~/.rhosts.

How to Prevent Rhost-Style Access From Remote Systems With PAM

Initiate error logging. 

Start the logging of PAM error messages through syslog.

How to Log PAM Error Reports