samba.conf setting?

Question

Samba

Guys, tell me how to set up samba centos 6, the main settings that are necessary
if the user logs in to exchanges for example from the 10.xYz subnet, then he sees only certain exchange directories, for example, the current architecture is
home / obmen / papka1
/ papka2
/ papka3
and it turns out that from subnet Y only papka1 and papka2 but does not see papka3
and the other subnet sees only papka1 and papka3 but does not see papka2

Answer 1

for all folders we prescribe hosts allow =

Answer 2

maybe in an example