Coraza Web Application Firewall vs Modshield SB

Coraza Web Application Firewall and Modshield SB take different approaches to web application security. Consider your team's expertise and infrastructure preferences when evaluating these options.

View Coraza Web Application Firewall Review View Modshield SB Review

Coraza Web Application Firewall and Modshield SB take fundamentally different approaches to web application security. Understanding your infrastructure and team capabilities will help determine which approach fits your needs.

Overview

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

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.

ModSecurity-based web application firewall with an intuitive management UI, offering IP reputation filtering, geo-blocking, SIEM integration, and built-in load balancing in a self-hosted virtual appliance.

Quick Comparison

Feature	Coraza Web Application Firewall	Modshield SB
Overall Rating	4.2/5	3.5/5
Free Tier	Yes	No
Pricing Model	Free and open source (Apache 2.0)	Subscription-based, per appliance
Ease of Use	3.8/5	3.8/5
Value for Money	4.8/5	3.5/5
Support	3.5/5	3.3/5
Open Source	Yes	No
Platforms	Any platform running Go, Docker, Kubernetes, Linux, macOS, Windows	Any web application (deployed as reverse proxy VM)
Compliance	Supports PCI DSS compliance when configured with OWASP CRS	OWASP Top 10 coverage, PCI DSS support

Pricing Comparison

Coraza Web Application Firewall

Model: Free and open source (Apache 2.0)

Free Tier Available

Open Source

Free

View full pricing →

Modshield SB

Model: Subscription-based, per appliance

Standard

Contact for pricing

Enterprise

Contact for pricing

View full pricing →

Features Comparison

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.

Modshield SB

ModSecurity Engine
Built on the proven ModSecurity WAF engine with full OWASP Core Rule Set compatibility.
IP Reputation Filtering
Automatically block traffic from known malicious IP addresses using continuously updated threat intelligence feeds.
Geo-Blocking
Country-level blacklisting and whitelisting to restrict access based on geographic origin.
SIEM Integration
Forward security logs to external SIEM systems like Splunk and Elasticsearch for centralized monitoring.
Built-in Load Balancer
Integrated load balancing distributes traffic across multiple backend servers without additional infrastructure.
Compliance Metrics
Built-in compliance reporting and dashboards to help meet regulatory requirements.

Which One Is Right for You?

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

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 →

Modshield SB

You need: Organizations wanting managed ModSecurity with a GUI, self-hosted WAF requirements, compliance-focused deployments
You're using: Any web application (deployed as reverse proxy VM)

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: Coraza Web Application Firewall or Modshield SB?

Coraza Web Application Firewall offers a free tier while Modshield SB does not, which may be important for early-stage startups. Consider your immediate security needs and growth plans when choosing.

Which has better support: Coraza Web Application Firewall or Modshield SB?

Coraza Web Application Firewall has a higher support rating (3.5/5) compared to Modshield SB (3.3/5). 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: Coraza Web Application Firewall or Modshield SB?

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

Which is more cost-effective: Coraza Web Application Firewall or Modshield SB?

Coraza Web Application Firewall offers a free tier while Modshield SB requires a paid plan. Coraza Web Application Firewall scores higher for value (4.8/5). Total cost depends on your traffic volume, required features, and support level needs.

What's the difference between Coraza Web Application Firewall (open source) and Modshield SB (commercial)?

Coraza Web Application Firewall is open source, which means you can inspect the code, customize it, and self-host without licensing fees. Modshield SB is a commercial solution with managed support and regular updates. Open source is ideal if you have in-house expertise and want full control. Commercial solutions are better if you prefer managed security with vendor support.