Despite being one of the oldest cybersecurity tools available, firewalls remain essential components of network protection. At first designed for the single purpose of preventing access to a network from anyone without authorized permission, firewalls have kept up with network evolution by adding features that have allowed them to remain on the front lines for decades. Since the advent of networking, firewalls have been both ubiquitous and integral.
Several key concepts underpin robust firewall implementation. It is important to understand the variety of features available in modern firewalls to ensure you choose the firewall solution best suits your needs.
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