Firewalls vs Unidirectional Gateways Ebook
Firewalls are used extensively inside industrial networks and throughout enterprise networks, but best practice demands at least one layer of unidirectional gateway technology in defense in depth architectures, most commonly at the Information Technology / Operations Technology (IT/OT) interface. This advice can be confusing to security practitioners who assume that a unidirectional gateway is some sort of “unidirectional firewall.
In this eBook
- Define what is a firewall
- Review firewall principles
- Introduce Unidirectional Gateways
- Compare the effectiveness of these two network perimeter protection solutions at the IT/OT interface