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Explain what each line is doing is this /etc/pam.d for the login service auth op

ID: 3806019 • Letter: E

Question

Explain what each line is doing is this /etc/pam.d for the login service


auth       optional   pam_faildelay.so delay=3000000
auth [success=ok new_authtok_reqd=ok ignore=ignore user_unknown=bad default=die] pam_securetty.so
auth       requisite pam_nologin.so
session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so close
session       required   pam_env.so readenv=1
session       required   pam_env.so readenv=1 envfile=/etc/default/locale
@include common-auth
auth       optional   pam_group.so
session    required   pam_limits.so
session    optional   pam_lastlog.so
session    optional   pam_exec.so type=open_session stdout /bin/uname -snrvm
session    optional   pam_motd.so
session    optional   pam_mail.so standard
session    required     pam_loginuid.so
@include common-account
@include common-session
@include common-password
session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so open

Explanation / Answer

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