1 auth required /lib/security/pam_listfile.so item=user sense=deny file=/etc/security/blacklist onerr=succeed
2 auth required /lib/security/pam_listfile.so item=user sense=deny file=/etc/security/blacklist.cups onerr=succeed
3 auth required /lib/security/pam_unix.so nullok
4 account required /lib/security/pam_unix.so