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