• ACLs on Samba « Junji’s Blog Site
  How to set up access control lists (ACLs) on a Linux Samba server to work with Windows.
  in Computers > Linux with access acl control file howto linux lists samba sharing windows
• Setting Up Samba with ACL
  Describes how to set up Samba and Access Control Lists (ACLs) on Ubuntu.
  in Computers > Linux with access acl control howto linux lists samba ubuntu windows by 3 users

acl from all users