pam_warn 8 Linux-PAM Manual pam_warn PAM module which logs all PAM items if called pam_warn.so pam_warn is a PAM module that logs the service, terminal, user, remote user and remote host to syslog3 . The items are not probed for, but instead obtained from the standard PAM items. The module always returns PAM_IGNORE, indicating that it does not want to affect the authentication process. This module does not recognise any options. The services auth, account, password and session are supported. PAM_IGNORE This module always returns PAM_IGNORE. #%PAM-1.0 # # If we don't have config entries for a service, the # OTHER entries are used. To be secure, warn and deny # access to everything. other auth required pam_warn.so other auth required pam_deny.so other account required pam_warn.so other account required pam_deny.so other password required pam_warn.so other password required pam_deny.so other session required pam_warn.so other session required pam_deny.so pam.conf5 , pam.d8 , pam8 pam_warn was written by Andrew G. Morgan <morgan@kernel.org>.