What is a Firewall and Why Do We Need It? | Network Security Basics
1:05
YouTubeGuiNet
What is a Firewall and Why Do We Need It? | Network Security Basics
A firewall is the first line of defense in your network — but what exactly does it do, and why is it so critical in cybersecurity? In this short video, we explain what a firewall is, how it works, and why every organization and home network needs one — in simple, beginner-friendly terms. For Any Queries please connect on below contact ...
377 views2 months ago
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Milad Atefi on Instagram: "Smart NUC Firewall Building a firewall with Intel NUC and Linux Hardware • Intel NUC with powerful CPU and 2.5Gbps NIC • Network Interfaces: • WAN – Public Internet • LAN – Internal Network • Wi-Fi – Wireless Clients Free & Open-Source Tools • OS: Ubuntu Server • Firewall & NAT: firewalld (nftables/iptables) • DHCP & DNS: dnsmasq • Wi-Fi Access Point: hostapd • Web Management: Cockpit + Webmin • Security & Monitoring: • Suricata (IDS/IPS) • EveBox (attack and log visua
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