Traditional firewalls block incoming traffic based on the kind of traffic it is. Firewalls have been the first line of defense in network security for nearly three decades. They can come in many different types including traditional, next-generation, hardware, or software. With thirty years of technology changes and so many different firewall forms, it can be difficult to determine your firewall needs. Choosing the wrong firewall can leave you vulnerable to the emerging threats of today’s threat landscape.