PAM – Pluggable Authentication Modules for Linux and how to edit the defaults

Originally posted on She ITs and Giggles blog.

Most of us have been using PAM when authenticating without really thinking about it, but for the few of us that have actually tried to make sense of it, PAM is the partner that always says “no”, unless otherwise stated. It’s the bane of any sysadmin’s existence when it comes to making system x secure, and it becomes a major pain point on and off when I forget about the normal rules of engagement.

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Securing Your Virtual Environment