Security Groups vs. NACLs: Demystifying the Two Firewalls in Your AWS VPC
Nov 17, 2025 路 4 min read 路 Security Groups vs. NACLs: Demystifying the Two Firewalls in Your AWS VPC Welcome to the world of AWS networking! You've spun up your EC2 instances, launched your databases, and now it's time to lock things down. That's where AWS's firewall duo, Secu...
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