If using WINS with DHCP for name resolution, you can actually have IP Addresses assigned based on the MAC addresses and have these IP addresses restricted or blocked .If you have a switch or a router , you can also block clients MAC addresses by defining an ACL on it. You can also achieve the same thing using a firewall. Some good firewalls are Gauntlet, PIX & Checkpoint.
Dig Deeper on Wireless LAN (WLAN)
Related Q&A from Puneet Mehta
To view network security expert Puneet Mehta's latest advice, see his Public Profile on the IT Knowledge Exchange: https://... Continue Reading
Find out if there's a difference between a virtual private network (VPN) concentrator and a network access server (NAS) in this explanation from our ... Continue Reading
Our network security expert explains how to keep unauthorized users from accessing your router's IP address for Internet access in this advice ... Continue Reading