Pluggable Authentication Modules: Threat or Menace?
PAM is one of the most misunderstood parts of systems administration. Many sysadmins live with authentication problems rather than risk making them worse. PAM’s very nature makes it unlike any other Unix access control system.
If you have PAM misery or PAM mysteries, you need PAM Mastery!
With PAM Mastery, you’ll understand:
the different versions of PAM
the intricacies of Linux-PAM and OpenPAM
how PAM policies make decisions
how to debug PAM
the most frequently seen PAM modules
Linux-PAM extended controls and substacks
time-based one-time passwords
using SSH keys for more than SSH
password quality testing
policies from CentOS, Debian, and FreeBSD
Transform PAM from a headache to an ally with PAM Mastery!