See this entire course on the Intro to Cybersecurity playlist. https://cbt.gg/2DEq4L6

Firewalls are a common first defense against malicious actors. CBT Nuggets trainer Keith Barker explains how firewalls work and the different types of firewalls available to security professionals.

Continue learning cybersecurity with CBT Nuggets and sign up for a FREE trial: https://training.cbt.gg/sbp
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