مبتدئ · الدروس: 4
Networking and security architecture
How networks carry data, and the layers that defend them: firewalls, VPNs and proxies, intrusion detection and segmentation, and Wi-Fi security from WPA3 to evil-twin hotspots.
- 1 Network basics: the OSI model, TCP/IP and common ports
How data travels between computers, the layer models used to describe it, and the ports and protocols you will see in every firewall and log.
9 دقيقة - 2 Perimeter security: firewalls, VPNs and proxy servers
What network and host-based firewalls actually decide, what a VPN does and does not protect, how proxies fit in, and why the “perimeter” now follows each laptop.
9 دقيقة - 3 Network defense: IDS, IPS and network segmentation
How intrusion detection and prevention systems spot suspicious traffic, why encryption limits what they see, and how splitting a network into zones stops one breach from becoming a disaster.
8 دقيقة - 4 Wireless security: WPA3, rogue access points and evil twins
How Wi-Fi encryption evolved from WEP to WPA3, what rogue access points and evil-twin hotspots are, and practical defenses for home, office and public networks.
9 دقيقة
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