Security
Stateless vs Stateful Firewalls: How They Work and When to Use Each
Learn the real differences between stateless and stateful firewalls, how each inspects traffic, and when to deploy them in production network architectures.
Firewalls
Networking
What is NAT? Network Address Translation Explained with Examples
Understand how NAT works, why it exists, and the different types: static NAT, dynamic NAT, PAT, and CGNAT. Real examples from enterprise and cloud networks.
Networking
Layer 4 vs Layer 7: Load Balancing, Firewalls, and Why It Matters
Understand the practical differences between Layer 4 and Layer 7 for load balancers, firewalls, and proxies with real architecture examples.