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Cloudflare WAF

2 alternatives — 1 easy, 1 medium

Why people leave Cloudflare WAF

  • Free tier is limited
  • All traffic passes through Cloudflare servers
  • Can break legitimate requests
  • Enterprise pricing is opaque

Comparison

AppDifficultyRAMDockerMobileStatus
CrowdSec

Collaborative intrusion prevention system that analyzes logs and shares threat intelligence.

medium0.25GB Active
Fail2ban

Log-parsing daemon that bans IPs showing malicious signs like repeated authentication failures.

easy0.1GB Active

Detailed Look

CrowdSec Top Pick

Collaborative intrusion prevention system that analyzes logs and shares threat intelligence.

Pros

  • + Crowd-sourced threat intelligence
  • + Lightweight Go binary
  • + Works with many bouncers for different services
  • + Active community sharing blocklists

Cons

  • - Cloud console required for full features
  • - Bouncer setup adds complexity
  • - Can generate false positives
  • - Some features require paid tier

Fail2ban

Log-parsing daemon that bans IPs showing malicious signs like repeated authentication failures.

Pros

  • + Battle-tested and widely used
  • + Very lightweight
  • + Extensive filter library for many services
  • + Easy to configure for common use cases

Cons

  • - Regex-based filters can be fragile
  • - No web UI
  • - IPv6 support is limited
  • - Cannot share threat intel like CrowdSec

Can't decide? Compare CrowdSec, Fail2ban side by side →