Coraza Web Application Firewall vs Sophos Firewall (XGS)

Coraza Web Application Firewall and Sophos Firewall (XGS) 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 Sophos Firewall (XGS) Review

Coraza Web Application Firewall and Sophos Firewall (XGS) 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 Sophos Firewall (XGS) 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.

Next-gen firewall (SFOS on XGS appliances) with a built-in reverse-proxy Web Application Firewall via its Web Server Protection module; the active successor to the end-of-life Sophos UTM.

Quick Comparison

Feature Coraza Web Application Firewall Sophos Firewall (XGS)
Overall Rating 4.2/5 3.8/5
Free Tier Yes Yes
Pricing Model Free and open source (Apache 2.0) Appliance plus subscription (varies by appliance and subscription bundle)
Ease of Use 3.8/5 3.9/5
Value for Money 4.8/5 4.0/5
Support 3.5/5 3.8/5
Open Source Yes No
Platforms Any platform running Go, Docker, Kubernetes, Linux, macOS, Windows XGS Series hardware appliances, virtual (VMware, Hyper-V, KVM), software/Home Edition, and cloud (Firewall in AWS and Azure)
Compliance Supports PCI DSS compliance when configured with OWASP CRS Common Criteria, FIPS-validated cryptography (model dependent)

Pricing Comparison

Coraza Web Application Firewall

Model: Free and open source (Apache 2.0)

Free Tier Available

Open Source

Free

View full pricing →

Sophos Firewall (XGS)

Model: Appliance plus subscription (varies by appliance and subscription bundle)

Free Tier Available

Home Edition

Free

Xstream Protection (Commercial)

Custom 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.

Sophos Firewall (XGS)

  • Reverse-Proxy WAF

    Apache-based reverse proxy that protects published web servers against SQL injection, cross-site scripting, directory traversal, and other common web attacks.

  • Form Hardening

    Signs and validates form fields to prevent manipulation of submitted web forms.

  • URL Hardening

    Restricts accessible URLs based on the learned structure of the protected application.

  • Cookie Signing

    Cryptographically signs cookies to detect and block tampering.

  • Reverse-Proxy Authentication

    Adds basic or form-based authentication policies in front of published web servers via WAF rules.

  • Antivirus Scanning

    Scans uploads and traffic to protected web servers for malware as part of Web Server Protection.

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 →

Sophos Firewall (XGS)

  • You need: Organizations already running Sophos Firewall, businesses wanting WAF and network security in one appliance, home labs and educational users via the free Home Edition
  • You want to start with a free tier
  • You're using: XGS Series hardware appliances, virtual (VMware, Hyper-V, KVM), software/Home Edition, and cloud (Firewall in AWS and Azure)
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 Sophos Firewall (XGS)?

Both Coraza Web Application Firewall and Sophos Firewall (XGS) offer free tiers, making them accessible for startups. Sophos Firewall (XGS) scores higher for ease of use (3.9/5), which is valuable for smaller teams. Consider your immediate security needs and growth plans when choosing.

Which has better support: Coraza Web Application Firewall or Sophos Firewall (XGS)?

Sophos Firewall (XGS) has a higher support rating (3.8/5) compared to Coraza Web Application Firewall (3.5/5). 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 Sophos Firewall (XGS)?

Sophos Firewall (XGS) scores higher for ease of use (3.9/5) 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 Sophos Firewall (XGS)?

Both providers offer free tiers, making it easy to start without commitment. Coraza Web Application Firewall scores higher for value (4.8/5). Total cost depends on your traffic volume, required features, and support level needs.

Which works better with AWS: Coraza Web Application Firewall or Sophos Firewall (XGS)?

Sophos Firewall (XGS) explicitly supports AWS while Coraza Web Application Firewall's AWS integration may vary. Consider whether native AWS integration or cross-cloud portability matters more for your use case.