---
title: "Discussion on \"What Is a Firewall? How It Protects Your Network\" | Hashnode"
description: "Discussion on \"What Is a Firewall? How It Protects Your Network\". Learn what a firewall is, how it works, different types of firewalls, and how firewalls protect computers and networks from unauthorized access."
url: "https://hashnode.com/posts/what-is-a-firewall-how-it-protects-your-network/6aa82aeffaf7cde3e8f81bb6"
---

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Discussion

# [What Is a Firewall? How It Protects Your Network](https://megha-blogs.hashnode.dev/what-is-a-firewall-how-it-protects-your-network?utm_source=hashnode&utm_medium=feed)

Learn what a firewall is, how it works, different types of firewalls, and how firewalls protect computers and networks from unauthorized access.

Sep 14 · 8 min read · megha-blogs.hashnode.dev  
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-   [#networking](https://hashnode.com/tag/networking)
-   [#internet](https://hashnode.com/tag/internet)
-   [#cybersecurity](https://hashnode.com/tag/cybersecurity)
-   [#firewall](https://hashnode.com/tag/firewall)
-   [#network-security](https://hashnode.com/tag/network-security)

## Written by

[Megha Varshini](https://hashnode.com/@megha020307)

@megha020307

  
[View profile](https://hashnode.com/@megha020307)

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