A quick background on my setup. I've got a 70 computer peer to peer network, with multiple workgroups (I inherited this network and the boss won't spend any real money to fix it)... At any rate, I want some customers to be able to surf the net, basically, I'm trying set up a hotspot. Security isn't a huge concern given the location I'm trying to put the hotspot isn't very accessible from the outside (my signal doesn't reach any public areas, like the street), and our vital data is on a 3rd party highly secure server. At any rate, I've got a WRT54G on the network, configured with a static IP, running a small DHCP server with an assigned range of IPs that match our network. I have gotten the time access configured with no surfing during our closed hours, minus the 5 minute window. I played with the website access controls, but of course they don't work. My problem is simply that computers on this WRT54G can ping the rest of the computers in the network, they can also access the admin pages (if they crack the pw) of other APs on the network. It's not a terrible issue, but it's got me a bit concerned. I'd love to be able to simply deny access to the 10.x.x.x range and cover the IP range of my network, but I don't think I can do this. I've looked into HyperWRT and DD-WRT, but Hyper's access restrictions don't work (thanks Linksys) and DD-WRT isn't compatible with my v4 router. I also can't see the router on my network, so I have to be connected to it to access it's webgui. If anyone's got any ideas, I'd love the help. I've seen a lot of good stuff on here and people seem to be pretty bright, I'm a noob in the world of router configs, so I'm very open to help. Thanks.