DDoS attacks and poisoning techniques are posing major issues for IT departments today, and increasingly so. Additionally, the need for greater scale and speed is pushing IT towards resourcefulness. Revisiting the question of where DNS providing should come from may discover solutions for some of these issues.

Scapy may be the most powerful tool available to network admins. It is an interactive program for packet manipulation that uses simple operations like sending and receiving packets or capturing and cloning them as building blocks for creating advanced network management tools.

Link aggregation is a great networking trick to achieve network scalability and fault tolerance. Let’s take a look at the general concepts of how link aggregation is setup and the benefits and restrictions that apply.