At 01:30 PM 6/27/2005, Roger Cornelius wrote:
On 06/24/2005 07:51, Cox, Danny H. wrote:
> Do you have your wireless router on the same subnet as your copper LAN?
>
> Danny
Yes, the wireless access points (we have several) are on the same subnet
as everything else. I've also now determined that the problematic users
both have verizon DSL at home, and the verizon modem/routers' dhcp is
giving them the same IP as we use for the firewall. When they walk in
the building, wham.
So is there a way to lock down the IP address of the firewall so it
can't be hijacked like this?
maybe a RAF to block inbound packets from the gb's own IP? doesn't really
solve your problem, since those laptops can still respond to ARP requests
from hosts on your network, and interfere with connectivity anyway...
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