Networks

How can i stop users from accessing shared folders on the server which they have NO permissions too.. i even tried deny permissions and can still access folders or any other drive on the server

Running Server sbs 2003 (standard)
Windows IP Configuration

Host Name . . . . . . . . . . . . : SERVER
Primary Dns Suffix . . . . . . . : xxxxxxxxxxxxxxx.local
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : xxxxxxxxxxxxxxx.local

Ethernet adapter Server Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit Ethernet
Physical Address. . . . . . . . . : 00-1D-09-1C-32-20
DHCP Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 10.1.1.200
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 10.1.1.1
DNS Servers . . . . . . . . . . . : 10.1.1.200
10.1.1.1

- all workstations are running Windows 7 professional.
- the server uses no-ip.org
- router dhcp
- if the user logs on at the server he is unable to access any of the folders he does not have permission too - BUT from his win7 workstation he can access anything and everthing he desires including system folders and denyed permissions