About Course
What you’ll learn
- The difference between network firewalls and web application firewalls (WAF).
- How a WAF inspects HTTP/HTTPS traffic to reduce common web risks.
- Practical signs your site needs a WAF and a safe way to roll it out.
Who it’s for
Site owners, developers, and teams who need a straightforward overview of firewalls at the application layer.
How this mini-course works
One module. Three short lessons. A quick quiz. Optional checklist to apply changes safely.
Referenced Sucuri resources
- https://sucuri.net/guides/what-is-a-waf/
- https://sucuri.net/website-firewall/
- https://blog.sucuri.net/2021/11/network-firewall-vs-web-application-firewall-waf.html
- https://blog.sucuri.net/2022/01/everything-you-need-to-know-about-web-application-firewalls.html
- https://docs.sucuri.net/website-firewall/website-firewall/
- https://docs.sucuri.net/website-firewall/configuration/security-options/
- https://sucuri.net/guides/owasp_top_10_2021_edition/
Course Content
Module 1
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Lesson 1.1 – What a Firewall Does (and Where It Lives)
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QUIZ — WHAT A FIREWALL DOES (AND WHERE IT LIVES)
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LESSON 1.2 – Types of Firewalls vs. WAF (HTTP/S Focus)
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Quiz — Types of Firewalls vs. WAF
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LESSON 1.3 – When You Need a WAF: Signals & Scenarios
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Quiz — Signals & Scenarios
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LESSON 1.4 – Safe Rollout & Tuning: Monitor → Soft-Block → Block
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Quiz — Safe Rollout & Tuning
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