Network Security
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Network security protects the communication channels between systems. This module covers segmentation, firewalls, intrusion detection, VPNs, and monitoring.
Pages in This Module
| Page | Description |
|---|---|
| Network Segmentation | DMZ, VLANs, micro-segmentation, Zero Trust, Target 2013 case study |
| Firewalls | Packet filter, stateful, NGFW, WAF, iptables/nftables rules |
| IDS/IPS | Signature vs anomaly, Snort/Suricata rules, false positive management |
| VPNs & Remote Access | IPsec, WireGuard, OpenVPN, site-to-site vs remote access |
| Network Monitoring | NetFlow, packet capture, Zeek, network baselines |
| Wireless Security | WPA3, 802.1X, rogue AP, enterprise wireless hardening |
| Network Lab | Hands-on: multi-tier network with firewall + IDS |
| Flashcards | Test your knowledge |