What Is a Network Firewall? A Comprehensive Guide to Network Security

Sangfor10 Nov, 2025Security

A network firewall acts as the frontline gatekeeper for your organisation’s digital perimeter — monitoring, inspecting and controlling traffic flowing into and out of your network. It defends against unauthorised access, data breaches and cyber-threats by enforcing rules, segmenting zones and leveraging advanced inspection methods. In today’s digital era, deploying a robust firewall is essential for business continuity, regulatory compliance and trust.