I support a small network made up of 2 servers, 2 NAS Devices, 1 ADSL router, and 3 printers, plus 17 Desktops/Laptops on the network.
I would like to nail down security so that only a few ip addresses can access the servers, nas devices and access the internet if plugged in.
The network is not using DHCP, but there is nothing preventing rogue visitors just plugged in and guessing an IP range and stealing some internet if you know what I am sayin.
The network is wired as opposed to wireless and the need to lock-down things is due to an ffice next door using the hubs in the public area even though told not to do so, still happens from time to time..
Any help much appreciated. The only way I know to start is using IP filters in Windows, but what about the NAS devices and the Router, the gateway to the internet.