Stateful and deep packet firewall operations
Throughout the course of this book thus far, NGFW has been mentioned many times; however, the NGFW security appliance is usually deployed within very large enterprise networks that contain hundreds to thousands of clients and devices. However, within a smaller organization, you will commonly find a small-to-medium-sized network and, as expected, a small budget allocated for IT resources. This leads to less costly firewall solutions to safeguard the small business network from potential threats.
As a soon-to-be cybersecurity professional, it's important to be aware that there are other types of firewalls within the industry. Two common types of firewalls are outlined here:
- Deep Packet Inspection (DPI) firewall
- Stateful firewall
This leads on to say that not all types of firewalls operate the same. To put it simply, the DPI firewall and stateful firewall do not share equal capabilities with each other, and the same...