BunkerWeb Open Source WAF vs Coraza Web Application Firewall

Both BunkerWeb Open Source WAF and Coraza Web Application Firewall are capable WAF solutions. The right choice depends on your specific infrastructure, budget, and feature requirements.

Overview

BunkerWeb Open Source WAF and Coraza Web Application Firewall are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.

Next-generation open source WAF built on NGINX with ModSecurity integration, offering comprehensive web security with an intuitive web UI and extensive plugin system.

OWASP open source WAF written in Go, fully compatible with ModSecurity rules and OWASP Core Rule Set, designed as a modern alternative to ModSecurity with native support for Caddy, Traefik, and HAProxy.

Quick Comparison

Feature	BunkerWeb Open Source WAF	Coraza Web Application Firewall
Overall Rating	4.0/5	4.2/5
Free Tier	Yes	Yes
Pricing Model	Free (Open Source) / Pro Support	Free and open source (Apache 2.0)
Ease of Use	3.8/5	3.8/5
Value for Money	4.9/5	4.8/5
Support	3.2/5	3.5/5
Open Source	Yes	Yes
Platforms	Linux, Docker, Docker Swarm, Kubernetes, any NGINX-compatible environment	Any platform running Go, Docker, Kubernetes, Linux, macOS, Windows
Compliance	N/A (self-hosted, compliance depends on implementation)	Supports PCI DSS compliance when configured with OWASP CRS

Pricing Comparison

BunkerWeb Open Source WAF

Model: Free (Open Source) / Pro Support

Free Tier Available

Community Edition

Free

Pro Support

Contact for pricing

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Coraza Web Application Firewall

Model: Free and open source (Apache 2.0)

Free Tier Available

Open Source

Free

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Features Comparison

BunkerWeb Open Source WAF

ModSecurity Integration
Built-in ModSecurity WAF with OWASP Core Rule Set for comprehensive protection against web application attacks.
Bot Protection
Block malicious bots with challenge-based verification using cookies, JavaScript tests, captchas, or third-party services.
Rate Limiting & DDoS Protection
Limit connections and requests from clients, automatically ban suspicious activities triggering abnormal HTTP status codes.
IP Reputation
Block known bad IPs using external blacklists and DNSBL integration.
Web UI Management
User-friendly graphical interface for configuration and monitoring without command-line expertise.
Plugin System
Extend functionality with official and community plugins including ClamAV antivirus, Coraza WAF, and notification integrations.

Coraza Web Application Firewall

ModSecurity Compatibility
Full compatibility with ModSecurity SecLang rule language. Existing ModSecurity rules and rule sets work without modification.
OWASP CRS Support
Native support for the OWASP Core Rule Set, providing protection against SQL injection, XSS, RCE, and other OWASP Top 10 threats.
Go Native
Pure Go implementation with no C dependencies. Embeddable as a library, usable as middleware, or deployable as a plugin for modern proxies.
Proxy Plugins
Official plugins for Caddy (coraza-caddy), Traefik, and HAProxy allow adding WAF protection with minimal configuration.
Kubernetes Ready
Lightweight enough to run as a sidecar or embedded in ingress controllers. Works with any Go-based K8s tooling.
Audit Logging
Detailed audit logging of blocked and flagged requests for security analysis and compliance reporting.

Which One Is Right for You?

The best WAF depends on your specific requirements, infrastructure, and team expertise.

BunkerWeb Open Source WAF

You need: Security-conscious organizations wanting data control, DevOps teams comfortable with self-hosting, budget-constrained projects, privacy-focused deployments
You want to start with a free tier
You prefer open-source solutions
You're using: Linux, Docker, Docker Swarm, Kubernetes, any NGINX-compatible environment

Learn more →

Coraza Web Application Firewall

You need: Teams migrating from ModSecurity, Kubernetes environments, Go-based applications, organizations using Caddy or Traefik, developers wanting embeddable WAF
You want to start with a free tier
You prefer open-source solutions
You're using: Any platform running Go, Docker, Kubernetes, Linux, macOS, Windows

Learn more →

We recommend evaluating both options with a trial or free tier before committing. Consider your existing infrastructure, team expertise, compliance requirements, and budget.

Frequently Asked Questions

Which is better for startups: BunkerWeb Open Source WAF or Coraza Web Application Firewall?

Both BunkerWeb Open Source WAF and Coraza Web Application Firewall offer free tiers, making them accessible for startups. Consider your immediate security needs and growth plans when choosing.

Which has better support: BunkerWeb Open Source WAF or Coraza Web Application Firewall?

Coraza Web Application Firewall has a higher support rating (3.5/5) compared to BunkerWeb Open Source WAF (3.2/5). However, support quality can vary based on your plan tier - enterprise customers typically receive more responsive support from both providers. Consider evaluating support during a trial period.

Which is easier to implement: BunkerWeb Open Source WAF or Coraza Web Application Firewall?

Coraza Web Application Firewall scores higher for ease of use (3.8/5) versus BunkerWeb Open Source WAF (3.8/5). The actual implementation effort depends on your existing infrastructure and team expertise.

Which is more cost-effective: BunkerWeb Open Source WAF or Coraza Web Application Firewall?

Both providers offer free tiers, making it easy to start without commitment. BunkerWeb Open Source WAF scores higher for value (4.9/5). Total cost depends on your traffic volume, required features, and support level needs.