Network admin course Lec 4 (What is Firewal, Basic Configration, VLAN, subinterfaces, Policies)

🔒 Firewall Explained in Detail | Fortinet Configuration & VLAN Setup In this video, we cover a complete guide to Firewalls — from basic concepts to advanced configurations. Whether you are a student, IT professional, or network enthusiast, this lecture will help you understand: ✅ What is a Firewall? ✅ Types of Firewalls (Packet Filtering, Stateful, Proxy, NGFW, UTM) ✅ Importance of Firewalls in Cybersecurity ✅ Firewall Deployment Modes ✅ Fortinet Firewall Basic Configuration ✅ How to Allow Internet Access to Clients ✅ VLANs and Sub-Interfaces on Fortinet ✅ Fortinet CLI Configuration Examples This video is perfect for network engineers, IT administrators, and cybersecurity learners preparing for certifications like CEH, CCNA Security, Fortinet NSE etc. 💡 Don’t forget to Like, Share & Subscribe for more networking and cybersecurity tutorials!