fail2ban

fail2ban

Alternative to Cloudflare

A security service that blocks malicious login attempts using log analysis

19k 1.5k160 HN points
GNU-GPL
last commit 2026-02-12
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Daemon to ban hosts that cause multiple authentication errors

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Free alternative to Cloudflare

fail2ban is a free, open-source alternative to Cloudflare. Here's why:

  • πŸ“Š Log analysis
  • 🚫 Auto IP banning
  • βš”οΈ Brute-force prevention
  • βš™οΈ Customizable rules
  • 🌐 Multi-protocol protection
See all open-source alternatives to Cloudflare
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