WRT54G v4 with DD-WRT v23 (25-12-2005). ================================ In the Web GUI we can setup a list of authorized MACs that can access the Wireless network, but we can't do the same for the wired network ... In the Access Restrictions tab we can deny access to the WAN to a pre-defined set of MACs ... but we have to know them first .... In my network I don't have any control of who might connect a Laptop or PC to the 4 port switch of the router. As I would like to make sure that only authorized users can access WAN from the WRT's switch, I'm looking for help to achieve this. I've been doing some reading about IPTABLES, but quite honestly I think my skills are not up to the task ...... Is there anyone that can help me to setup some kind of authorized MAC's list to access WAN or the 4 port switch. Any help or guidance would be very much apreciated.