can't make page private or limit to certain users???

can't make page private or limit to certain users???

i have been using creator for 4 to 5 years. i have always been able to share to certain users only the three items ( forms, reports and pages ( used to be html) . The new app builder works fine for forms and reports BUT DOES not obey my share for pages. No mater what i do ALL pages are public requiring no sign in????? please help?