In this episode, we interview Justin Roberts, Technical Leader in Next-Gen Firewalls in the US. He takes us, in a very technical episode, through the artchitecture of Cisco Firewalls, how they work and how performance and security are two concepts that are very related. In this story, a customer is seeing applications performance issues after the start of Covid as employees all work from home. However, load is not the problem and their beefy security appliances should handle it without any problem. Where could the problem be ?