CrowdSec Tutorial Lesson 01 - What is CrowdSec

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CrowdSec is more than a Fail2ban replacement — it combines IDS (detection), IPS (prevention), and a built-in WAF. This lesson breaks down the architecture: agents, LAPI, bouncers, the Hub, and CAPI sync. By the end, you'll understand what each component does and why the split matters.

📍 Stage 01 — FOUNDATION · Lesson 01 of 13

⏱ CHAPTERS
00:00 Recap — what we covered in Lesson 00
01:00 Three personas: detection, prevention, application
01:30 The agent: log reader + pattern matcher
02:00 The LAPI: decisions database + API
03:00 Bouncers: the enforcement layer
03:30 The Hub: community-curated rules
04:00 CAPI sync: 5M+ malicious IPs daily
05:00 AppSec: built-in WAF (preview, full lesson 11)
06:30 How it all fits together — flow diagram

🔗 LINKS REFERENCED IN THIS LESSON

- CrowdSec official docs: https://docs.crowdsec.net
- The Hub: https://hub.crowdsec.net
- CrowdSec GitHub: https://github.com/crowdsecurity/crowdsec
🎯 WHAT YOU'LL BE ABLE TO DO AFTER THIS LESSON
CrowdSec is more than a Fail2ban replacement — it combines IDS (detection), IPS (prevention), and a built-in WAF. This lesson breaks down the architecture: agents, LAPI, bouncers, the Hub, and CAPI sync. By the end, you'll understand what each component does and why the split matters.

🎓 CROWDSEC MASTERY FULL PLAYLIST
The complete 13-lesson series — from Fail2ban veteran to production-ready CrowdSec operator.
📚 FAIL2BAN MASTERY (prequel)
The 13-lesson predecessor — same Dargslan teaching DNA, the tool that came before.
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