HAProxy Enterprise WAF vs Sophos Firewall (XGS)

Both HAProxy Enterprise WAF and Sophos Firewall (XGS) are capable WAF solutions. The right choice depends on your specific infrastructure, budget, and feature requirements.

View HAProxy Enterprise WAF Review View Sophos Firewall (XGS) Review

Overview

HAProxy Enterprise WAF 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.

High-performance WAF built into the world's most widely used open source load balancer. Uses machine learning-powered threat detection instead of regex-based signatures, delivering 98.5% balanced accuracy with sub-millisecond latency. Enterprise product with custom pricing.

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 HAProxy Enterprise WAF Sophos Firewall (XGS)
Overall Rating 4.3/5 3.8/5
Free Tier No Yes
Pricing Model Custom pricing (contact sales) Appliance plus subscription (varies by appliance and subscription bundle)
Ease of Use 3.8/5 3.9/5
Value for Money 3.5/5 4.0/5
Support 4.5/5 3.8/5
Platforms Linux (RHEL, Ubuntu, Debian, CentOS, Amazon Linux), Docker, Kubernetes, AWS, Azure, GCP, FreeBSD, virtual appliance XGS Series hardware appliances, virtual (VMware, Hyper-V, KVM), software/Home Edition, and cloud (Firewall in AWS and Azure)
Compliance SOC 2, supports PCI DSS compliance Common Criteria, FIPS-validated cryptography (model dependent)

Pricing Comparison

HAProxy Enterprise WAF

Model: Custom pricing (contact sales)

HAProxy Community

Free

HAProxy Enterprise

Custom

HAProxy Edge

Custom

HAProxy ALOHA

Custom

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

HAProxy Enterprise WAF

  • Intelligent WAF Engine

    Machine learning-powered threat detection trained on 60+ billion daily requests. Detects zero-day and polymorphic attacks without relying on static signatures. 98.5% balanced accuracy in open source benchmarks.

  • OWASP CRS Compatibility

    Optional mode that runs OWASP Core Rule Set rules through the Intelligent WAF Engine, dramatically reducing latency and false positive rates compared to traditional CRS processing.

  • WAF Profiles

    Customizable security profiles per application, allowing fine-tuned policies based on each app's unique traffic patterns. Minimizes false positives and alert fatigue for diverse application portfolios.

  • Bot Management

    Proprietary bot detection module with 100% local processing for low latency. Identifies and manages automated traffic using fingerprinting and behavioral analysis.

  • Global Rate Limiting

    Dynamic, cluster-wide rate limiting powered by the Global Profiling Engine. Tracks and enforces rate limits in real-time across distributed deployments.

  • HAProxy Fusion Control Plane

    Centralized management, monitoring, and automation of WAF policies across multi-cluster, multi-cloud, and multi-team deployments from a single dashboard.

  • DDoS Protection

    Full-spectrum DDoS mitigation via HAProxy Edge, protecting against volumetric, protocol, and application-layer attacks.

  • In-Process Architecture

    WAF runs in the same process as HAProxy, adding virtually zero latency and CPU overhead. No separate WAF appliance or proxy hop required.

  • Threat Intelligence

    Real-time threat intelligence from HAProxy Edge's global network, continuously updating the ML models that power the WAF engine.

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.

HAProxy Enterprise WAF

  • You need: High-traffic applications already using HAProxy for load balancing, organizations wanting integrated WAF and load balancing without separate appliances, teams that prioritize low latency and accuracy over rule customization, enterprises running multi-cloud or hybrid deployments
  • You're using: Linux (RHEL, Ubuntu, Debian, CentOS, Amazon Linux), Docker, Kubernetes, AWS, Azure, GCP, FreeBSD, virtual appliance
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: HAProxy Enterprise WAF or Sophos Firewall (XGS)?

Sophos Firewall (XGS) offers a free tier while HAProxy Enterprise WAF does not, making Sophos Firewall (XGS) more accessible for budget-conscious 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: HAProxy Enterprise WAF or Sophos Firewall (XGS)?

HAProxy Enterprise WAF has a higher support rating (4.5/5) compared to Sophos Firewall (XGS) (3.8/5). 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: HAProxy Enterprise WAF or Sophos Firewall (XGS)?

Sophos Firewall (XGS) scores higher for ease of use (3.9/5) versus HAProxy Enterprise WAF (3.8/5). The actual implementation effort depends on your existing infrastructure and team expertise.

Which is more cost-effective: HAProxy Enterprise WAF or Sophos Firewall (XGS)?

Sophos Firewall (XGS) offers a free tier while HAProxy Enterprise WAF requires a paid plan. Sophos Firewall (XGS) scores higher for value (4.0/5). Total cost depends on your traffic volume, required features, and support level needs.

Which works better with AWS: HAProxy Enterprise WAF or Sophos Firewall (XGS)?

Both HAProxy Enterprise WAF and Sophos Firewall (XGS) support AWS deployments. Consider whether native AWS integration or cross-cloud portability matters more for your use case.