Network Security

Securing the pipes that carry our data.

Firewalls

First line of defense. Types: Packet filtering, Stateful, NGFW, WAF.

IDS / IPS

IDS: Monitors and alerts. IPS: Detects and blocks automatically.

VPNs

Encrypt traffic and mask your IP. Set up OpenVPN or WireGuard for learning.

Wi-Fi Security

WPA3 is current standard. WEP is broken. Always change default router passwords.

Network Security + Ethical Hacking

Understanding TCP/IP, subnets, routing, and protocols is essential for network penetration testing. Start with Professor Messer's Network+ videos (free on YouTube).