🛡️ Introduction to Firewall - Great Learning

This repository contains notes, labs, cheatsheets, case studies, and certificate of completion for the Introduction to Firewall course.
The course provides a strong foundation in firewall concepts, deployment, rule configuration, monitoring, and best practices.

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📚 Notes

File	Description
01-introduction.md	Introduction to firewalls
02-firewall-types.md	Types of firewalls
03-firewall-deployment.md	Deployment strategies
04-firewall-rules.md	Rules & policies
05-packet-filtering.md	Packet filtering & stateful inspection
06-nat-firewall.md	NAT & firewall
07-logging-monitoring.md	Logging & monitoring

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🧪 Labs

File	Description
firewall-basic-setup.md	Setting up a basic firewall
firewall-rule-examples.md	Example rules & ACLs
hands-on-exercises.md	Practical exercises

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📑 Cheatsheets

File	Description
firewall-commands.md	Common firewall commands
best-practices.md	Firewall best practices

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🔬 Case Studies & Extras

File	Description
case-studies.md	Analyzed firewall scenarios
resources.md	References & external links
timeline.md	Suggested learning timeline

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📖 Docs

File	Description
glossary.md	Firewall & network security glossary
index.md	Course overview
references.md	References & external sources
roadmap.md	Learning roadmap
syllabus.md	Course syllabus

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📸 Screenshots

Step	Screenshot
Learning Overview

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📜 Certificate

🎓 Introduction to Firewall

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📝 Personal Review

This course gave me a comprehensive understanding of firewall concepts and deployment.
The labs on rule configuration and logging provided hands-on experience in securing networks.
I particularly appreciated the cheatsheets, which made referencing commands and best practices quick and efficient.

Overall, this repository serves as a complete guide for anyone starting with firewalls in network security.

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✍️ Author

Thành Danh – Red Team Learner & Security Researcher

• GitHub: @ngvuthdanhh
• Email: ngvu.thdanh@gmail.com

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📄 License

This project is licensed under the MIT License.
See LICENSE for full details.

© 2025 ngvuthdanhh. All rights reserved.