Which PAM module is used for LDAP authentication?

pam_ldap module
The pam_ldap module is a PAM module option for LDAP to authenticate clients and to perform account management. If you configured the client profile’s authentication mode as simple and the credential level as self, you must also enable the pam_krb module.

What is pam_ldap module?

The pam_ldap module is a Pluggable Authentication Module (PAM) which provides for authentication, authorization and password changing against LDAP servers. When authenticating or authorizing a user, pam_ldap first maps the user’s login name to a distinguished name by searching the directory server.

What is NSS and PAM?

NSS – A module based system for controlling how various OS-level databases are assembled in memory. PAM – A module based system for allowing service based authentication and accounting.

How to enable LDAP authentication in PAM module?

If we want to allow authentication from LDAP users and from local Unix users through pam_unix, while giving priority to the local users, then we could do this instead: If you also want to allow authentication from local Unix users, the pam_unix PAM module adds some additional configuration steps on a lot of systems.

How to use authconfig to enable Pam by example?

PAM files are only a part of this configuration. For example, using authconfig to enable Kerberos authentication makes changes to the /etc/nsswitch.conf file and the /etc/krb5.conf file in addition to adding the pam_krb5 module to the /etc/pam.d/ {system,password}-auth files.

Is there an alternative to pam _ ldap in Debian?

libpam-ldapd is a newer alternative pam_ldap module implementation of the original PADL libpam-ldap. libpam-ldapd uses the same backend (nslcd) as libnss-ldapd, and thus also shares the same configuration file (/etc/nslcd.conf) for LDAP connection parameters.

What do you need to know about Pam in Linux?

Learn more about PAM configuration files in Linux by exploring changes made by the authconfig utility. Pluggable Authentication Modules (PAM) have been around in Linux for a long time now. The goal of PAM is to centralize authentication and authentication requirements for services and modules.