DHCP assaults

DHCP Assaults sounds like a cool title for a movie, doesn't it? DHCP is such an integrated technology throughout our network infrastructure, it is an extreme target for an attacker to get to because we can control so many things when it comes to the use of this technology.

So, what is DHCP and what is it for? If you don't know what it is, I'll give you a quick overview of what it's designed to do.

DHCP is a specialized server role we install on a server. We do this because any computer that needs to connect to the network or gain access to resources, whether internal or external (such as the internet), needs some way of connecting, and we do that via IP addresses.

DHCP oversees assigning IP addresses to computers as they hit the network. It does that by creating a scope—basically, a database of IP addresses.

One of the main responsibilities of the DHCP server is to keep track of which computer has which IP address. This way...