Hi all, I like to restrict the access to certain files in a samba share via Linux file permissions. During configuration i encountered a problem, which puzzels me. I want to restrict a subtree of a share to a certain unix group and another subtree of this subtree to another group, which is a subset of the first. In effect this looks like this: directory a (suid group x) subdirectories b (suid group x) c (suid group y) with a, b belonging to group x and c to group y, all members of x are also members of y. The Linux-permissions are set to 2775, the suid bit for the groups is set. The permissions for files are set to 660. Now comes the problem: If a user, who is member in both, group x and y wants to modify a file created by antother user. In directory a and b this works fine, the user has readwrite access to the file. In subtree c however the user has no permissions to access the file. Needless to say accessing the same files from linux, everything works fine. Here is the configuration of my share: comment = grptest path = /taskit/testshare guest account = nobody valid users = @x, @y read only = No create mask = 0660 directory mask = 775 force create mode = 0660 force directory mode = 02775 inherit permissions = No //changing this parameter didn't change anything delete readonly = Yes The map archive etc directives are all set to no. I use samba version 2.21a. Extensive logging didn't show anything informative in regard to this problem. In Level 3 the attempt to access the file wasn't recorded at all. Any pointer for solving this problem would be nice, Is it maybe not possible to handle it this way? thx achim