[Samba] a question about acl's...

[Xavi León]

Hi all!!

I've a samba server with one share for all the different working 
projects in the department.
So, inside this share i have one folder for each project and each folder 
is owned by one group
(the people working on this project...)
Obviously, people who don't belong to a project can't see the files 
inside of the folder... but...
they can see the project folder :( 
My question is: is there a way to "hide" the folders using acl? is there 
any way for doing this?
For example, bob belongs to group bob but he can see the folders that 
belongs to other groups
(althought he can't access) Is there a way for doing the hidding of the 
folders not belonging to bob?
If bob only works in 2 projects and the department works in 10000000 
projects...

Ufff, i know i tell the problem very bad (because of my english too, i 
have to practice), but i hope
you will understand it

Thx anyway!!!