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Glossary category

Networking Security terms

Protocols, firewalls, VPNs, and traffic inspection basics

Terms related to networks, protocols, traffic inspection, and firewall concepts.

Category snapshot

Published terms in this category

TCPUDPDNSNATVPNFirewall

Published terms

9

Example concepts

3

Learning paths

How to use

Read → connect → practice

Each term links to tutorials, labs, tools, and quizzes so definitions become practical knowledge.

1

Read the definition

Plain-language explanations with real-world context.

2

Explore related terms

Build connected knowledge across the same domain.

3

Practice with resources

Follow linked tutorials, labs, and assessments.

Catalog

Terms in networking security

Published definitions focused on this cybersecurity domain.

Outcomes

What you'll understand

  • Understand networking terms that underpin security controls
  • Decode firewall, IDS/IPS, and segmentation vocabulary
  • Connect protocol knowledge to detection and hardening
  • Build foundation for cloud and infrastructure security