[Samba] Samba and LinuxMDK 9 file perms oddities?

[AlF]

Kurt Weiss wrote:

> AlF schrieb:
>
>>
>> When a member of group "users" connects to the [public] or [grp] 
>> share and interacts with them by creating dirs and/or files, 
>> something strange happens because file permissions change to:
>>
>>    /home/public (owner=root, group=root, perms=0755)
>>    /home/users (owner=root, group=users, perms=0750)
>>
>
> are u using winbind/ACL support?

no, why?

> can u post the [general] section too?

Since the machine is currently offline I can't cut and paste it. BTW I 
try to remember the whole section.
Here it is:

[global]

   workgroup = STZDOM
   server string = PDC Samba File Server
   deny hosts = all
   allow hosts = 192.168.0. 127.
   log file = /etc/samba/log/log.%m
   log level = 3
   max log size = 80
   security = user
   socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
   local master = yes
   os level = 99
   domain master = yes
   preferred master = yes
   dns proxy = no
   wins support = yes
   encrypt passwords = yes

   smb passwd file = /etc/samba/smbpasswd
   username map = /etc/samba/smbusers
   map to guest = never
   guest account = nobody

   domain logons = yes
   logon script = logon.bat
   logon path = \\%L\profiles
   logon home = \\%L\home
   logon drive = Z:

   admin users = administrator
   hide unreadable = yes
   hide dot files = yes

   kernel oplocks = no
   oplocks = no
   level2oplocks = no