NSFOCUS Web Application Firewall vs Sophos Firewall (XGS)

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

View NSFOCUS Web Application Firewall Review View Sophos Firewall (XGS) Review

Overview

NSFOCUS 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.

Enterprise-grade next-gen WAF from Chinese cybersecurity leader NSFOCUS, offering comprehensive web and API protection with flexible cloud, on-premises, and hybrid deployment options.

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 NSFOCUS Web Application Firewall Sophos Firewall (XGS)
Overall Rating 3.8/5 3.8/5
Free Tier No Yes
Pricing Model Custom / Quote-based Appliance plus subscription (varies by appliance and subscription bundle)
Ease of Use 3.2/5 3.9/5
Value for Money 3.5/5 4.0/5
Support 4.0/5 3.8/5
Platforms Any web application, AWS, Azure, GCP, Alibaba Cloud, Tencent Cloud, KVM, VMware ESXi, on-premises XGS Series hardware appliances, virtual (VMware, Hyper-V, KVM), software/Home Edition, and cloud (Firewall in AWS and Azure)
Compliance ISO 27001, PCI DSS Common Criteria, FIPS-validated cryptography (model dependent)

Pricing Comparison

NSFOCUS Web Application Firewall

Model: Custom / Quote-based

Standard

Custom pricing

Advanced

Custom pricing

Enterprise

Custom pricing

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

NSFOCUS Web Application Firewall

  • Semantic Analysis Engine

    Uses semantic analysis to understand and detect complex web attacks beyond simple pattern matching, reducing false positives and catching evasion attempts.

  • API Security

    Comprehensive API asset management with real-time shadow API discovery, parameter oversight, and sensitive data identification across regional deployments.

  • Dynamic Bot Traffic Protection

    Distinguishes between human and machine traffic using dynamic tokens to prevent replay attacks, unauthorized access, and information scraping.

  • Virtual Patching

    Virtually patch vulnerabilities in web applications without requiring the application to be updated, providing immediate protection for known CVEs.

  • Threat Intelligence Integration

    Deep integration with NSFOCUS Threat Intelligence (NTI) for real-time threat feeds and actionable intelligence to protect against emerging attacks.

  • Layered Detection System

    Multi-layered defense with traffic pre-filtering, customizable detection criteria, and sophisticated logical combinations for precise rule enforcement.

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.

NSFOCUS Web Application Firewall

  • You need: Enterprise organizations, companies with multi-cloud or hybrid infrastructure, Asia-Pacific businesses, organizations needing flexible on-premises and cloud deployment
  • You're using: Any web application, AWS, Azure, GCP, Alibaba Cloud, Tencent Cloud, KVM, VMware ESXi, on-premises
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: NSFOCUS Web Application Firewall or Sophos Firewall (XGS)?

Sophos Firewall (XGS) offers a free tier while NSFOCUS Web Application Firewall 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: NSFOCUS Web Application Firewall or Sophos Firewall (XGS)?

NSFOCUS Web Application Firewall has a higher support rating (4.0/5) 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: NSFOCUS Web Application Firewall or Sophos Firewall (XGS)?

Sophos Firewall (XGS) scores higher for ease of use (3.9/5) versus NSFOCUS Web Application Firewall (3.2/5). The actual implementation effort depends on your existing infrastructure and team expertise.

Which is more cost-effective: NSFOCUS Web Application Firewall or Sophos Firewall (XGS)?

Sophos Firewall (XGS) offers a free tier while NSFOCUS Web Application Firewall 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: NSFOCUS Web Application Firewall or Sophos Firewall (XGS)?

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