Category Archives: layer 3

What Does ‘Firewall’ Mean Today?

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The term “firewall” became a part of the IT lexicon in the 1980s, when computers were moving out of the research and academic facilities and into very early use in enterprises. That was a long time ago—eons ago in computing years. Three de… Continue reading What Does ‘Firewall’ Mean Today?→

Know Your Firewall: Layer 3 vs. Layer 7

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Discussing firewalls does not rank high on most folks’ lists of ways to have a good time. But if you want to secure modern, microservices-based applications, understanding how your firewall works under the hood is essential. To that end, this article … Continue reading Know Your Firewall: Layer 3 vs. Layer 7→