#%PAM-1.0
auth       requisite    /lib/security/pam_abl.so config=/etc/security/pam_abl.conf
auth       required     pam_listfile.so item=user sense=deny file=/etc/ftpusers onerr=succeed
auth       required     /lib/security/pam_unix.so shadow nullok
account    required     /lib/security/pam_unix.so
session    required     /lib/security/pam_unix.so
auth       sufficient   /lib/security/pam_unix.so nullok_secure likeauth
auth       optional     pam_abl.so config=/etc/security/pam_abl.conf record_attempt
