ARP Poisoning is a problem on Ethernet based networks.
If you have HP Procurve switches and a DHCP enabled network, you have the option of enabling ARP Protection.
In order for ARP Protection to work, DHCP Snooping also has to be enabled. This is because the switch builds a table of MAC to IP pairs based on [...]
Normally my Internet connection is pretty good; but, once every couple of months, the provider changes something and my current IP address no longer works. The lease doesn’t actually expire, which is set to last 48 hours. So, I lose internet connectivity until a new renewal. It’s easy to do this by hand, but that [...]