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'''Linux Pluggable Authentication Modules''' (PAM) provide dynamic authentication support for applications and services in a [[Linux]] or [[GNU/kFreeBSD]]<ref>https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=220980</ref> system. Linux PAM is evolved from the [[Unix]] [[Pluggable Authentication Modules]] architecture.<ref>{{Cite web|url=https://www.linuxjournal.com/article/5940|title=Securing Applications on Linux with PAM {{!}} Linux Journal|last=Fernandes|first=Savio|last2=Reddy|first2=KLM|date=|website=[[Linux Journal]]|language=en|archive-url=|archive-date=|dead-url=|access-date=2018-09-30}}</ref>
'''Linux Pluggable Authentication Modules''' (PAM) provide dynamic authentication support for applications and services in a [[Linux]] system. Linux PAM is evolved from the [[Unix]] [[Pluggable Authentication Modules]] architecture.<ref>{{Cite web|url=https://www.linuxjournal.com/article/5940|title=Securing Applications on Linux with PAM {{!}} Linux Journal|last=Fernandes|first=Savio|last2=Reddy|first2=KLM|date=|website=[[Linux Journal]]|language=en|archive-url=|archive-date=|dead-url=|access-date=2018-09-30}}</ref>


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

Revision as of 07:50, 7 June 2019

Linux PAM
Stable release
1.3.1 / May 18, 2018; 6 years ago (2018-05-18)
Repositoryhttps://github.com/linux-pam/linux-pam
Written inC
Operating systemLinux
Typeauthentication
LicenseGNU General Public License or Revised BSD License
Websitewww.linux-pam.org

Linux Pluggable Authentication Modules (PAM) provide dynamic authentication support for applications and services in a Linux system. Linux PAM is evolved from the Unix Pluggable Authentication Modules architecture.[1]

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

  • account modules check that the specified account is a valid authentication target under current conditions. This may include conditions like account expiration, time of day, and that the user has access to the requested service.
  • authentication modules verify the user's identity, for example by requesting and checking a password or other secret. They may also pass authentication information on to other systems like a keyring.
  • password modules are responsible for updating passwords, and are generally coupled to modules employed in the authentication step. They may also be used to enforce strong passwords.
  • session modules define actions that are performed at the beginning and end of sessions. A session starts after the user has successfully authenticated.

See also

References

  1. ^ Fernandes, Savio; Reddy, KLM. "Securing Applications on Linux with PAM | Linux Journal". Linux Journal. Retrieved 2018-09-30. {{cite web}}: Cite has empty unknown parameter: |dead-url= (help)