---
title: "Discussion on \"AWS Security Groups and NACLs\" | Hashnode"
description: "Discussion on \"AWS Security Groups and NACLs\". Security Groups and NACLs are your last line of defense on AWS. Understand how they differ, where they operate, and the mistakes that cost you."
url: "https://hashnode.com/posts/aws-security-groups-and-nacls/69d3694540c9cabf44d23b54"
---

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# [AWS Security Groups and NACLs](https://aayush-dev.hashnode.dev/aws-security-groups-and-nacls?utm_source=hashnode&utm_medium=feed)

Security Groups and NACLs are your last line of defense on AWS. Understand how they differ, where they operate, and the mistakes that cost you.

Apr 6 · 4 min read · aayush-dev.hashnode.dev  
Updated Apr 20  
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## Written by

[Aayush Darange](https://hashnode.com/@aayushdarange)

@aayushdarange

  
[View profile](https://hashnode.com/@aayushdarange)

Devops Engineer | Cloud

DevOps engineer focused on building, automating, and securing cloud infrastructure. I work with AWS, Docker, Terraform, and CI/CD pipelines to ship scalable and reliable systems. I write about cloud services & architecture, deployment strategies, and real-world DevOps practices.

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