I will teach you FIREWALLS in 15 minutes | Beginner friendly (zones, policies, interfaces etc.)

This video gives you the clearest, most beginner-friendly explanation of Firewalls in Cybersecurity — including how they work, what zones and interfaces are, how security policies function, what next-generation firewalls do, how layer 7 inspection works, and how URL filtering protects your network. Whether you’re becoming a Cybersecurity Analyst, Network Engineer, SOC Analyst, Cloud Engineer, or prepping for certifications like CCNA, Network+, Security+, PCNSA, NSE, or the CEH — this is the video you NEED. You’ll learn: What firewalls actually do How traffic flows through a firewall Zones, interfaces & trust boundaries How firewall security policies work Types of firewalls explained What NGFWs do differently The power of Layer 7 inspection URL filtering & threat prevention Real-world concepts used in enterprise cybersecurity This video is your complete crash course into one of the most foundational tools in cybersecurity. Host and deploy your applications, databases, object storage, and static sites. Enjoy advanced deployment pipelines, a complete database studio, instant preview apps, and one-click templates. Get started now with $50 free credit! https://sevalla.com/?utm_source=socialdork&utm_medium=Referral&utm_campaign=youtube TIMESTAMPS 00:00 – Intro 01:03 – What Is a Firewall? 01:37 – How Firewalls Work (Concept Overview) 02:56 – Build and deploy apps using Sevalla 04:24 – What are interfaces on a firewall ? 05:51 – What are Zones ? 07:46 – What are security policies on firewalls ? 10:19 – Types of firewalls and NGFW's 11:10 – Layer 7 (Application Layer) Inspection 13:24 – What is URL filtering ? Connect with me on LinkedIn - https://www.linkedin.com/in/roydensprofile/