-auth required pam_listfile.so item=user sense=deny file=/etc/security/blacklist onerr=succeed
+#%PAM-1.0
auth required pam_listfile.so item=user sense=deny file=/etc/security/blacklist.cups onerr=succeed
-auth required pam_unix.so nullok
-account required pam_unix.so
+auth include system-auth
+account include system-auth