Linux PAM
Stable release
1.5.3 / May 8, 2023; 8 months ago (2023-05-08)
Written inC
Operating systemLinux
LicenseGNU General Public License or Modified BSD License

Linux Pluggable Authentication Modules (PAM) is a suite of libraries that allow a Linux system administrator to configure methods to authenticate users. It provides a flexible and centralized way to switch authentication methods for secured applications by using configuration files instead of changing application code.[1] There are Linux PAM libraries allowing authentication using methods such as local passwords, LDAP, or fingerprint readers.[2] Linux PAM is evolved from the Unix Pluggable Authentication Modules architecture.[3]

Linux-PAM separates the tasks of authentication into four independent management groups:[4]

See also


  1. ^ "Chapter 1. Introduction". An Internet Archive page of Linux PAM site. Retrieved 2023-11-11.
  2. ^ Lauber, Susan (2020-07-22). "An introduction to Pluggable Authentication Modules (PAM) in Linux". Red Hat. Retrieved 2021-02-28.
  3. ^ Fernandes, Savio; Reddy, KLM. "Securing Applications on Linux with PAM | Linux Journal". Linux Journal. Retrieved 2018-09-30.
  4. ^ "pam.d(8): Pluggable Authentication Modules for - Linux man page". Retrieved 2021-02-28.