Azure Web Application Firewall vs LiteSpeed Web Server WAF
Both Azure Web Application Firewall and LiteSpeed Web Server WAF are capable WAF solutions. The right choice depends on your specific infrastructure, budget, and feature requirements.
Overview
Azure Web Application Firewall and LiteSpeed Web Server WAF are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.
Microsoft's cloud-native WAF integrated with Azure Application Gateway and Front Door, offering enterprise-grade protection with deep Azure ecosystem integration.
Built-in WAF module for LiteSpeed Web Server providing ModSecurity-compatible protection with high performance and low resource usage.
Quick Comparison
| Feature | Azure Web Application Firewall | LiteSpeed Web Server WAF |
|---|---|---|
| Overall Rating | 4.2/5 | 3.8/5 |
| Free Tier | No | Yes |
| Pricing Model | Pay-per-use (gateway hours + data processed) | Per-server license |
| Ease of Use | 3.5/5 | 4.0/5 |
| Value for Money | 3.8/5 | 4.5/5 |
| Support | 4.2/5 | 3.5/5 |
| Platforms | Azure Application Gateway, Azure Front Door, Azure CDN, Azure Spring Apps | Linux servers |
| Compliance | SOC 1/2/3, PCI DSS, HIPAA, FedRAMP High, ISO 27001, ISO 27018 | PCI DSS (with proper configuration) |
Pricing Comparison
Azure Web Application Firewall
Model: Pay-per-use (gateway hours + data processed)
Application Gateway WAF v2
~$0.443/hour + $0.008/GB
Front Door Standard
$35/month base + usage
Front Door Premium
$330/month base + usage
LiteSpeed Web Server WAF
Model: Per-server license
Free Tier AvailableOpenLiteSpeed
Free
LiteSpeed Enterprise
From $0 (1-worker) to $92/month
Features Comparison
Azure Web Application Firewall
-
OWASP Core Rule Set
Pre-configured protection against OWASP Top 10 vulnerabilities with regularly updated rule sets.
-
Custom Rules
Create custom rules based on geo-location, IP address, request attributes, and rate limiting.
-
Bot Protection
Managed bot protection ruleset to detect and mitigate malicious bot traffic (Premium tier).
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Per-Site Policies
Apply different WAF policies to different sites behind the same gateway.
-
Exclusion Lists
Fine-tune rules by excluding specific request attributes to reduce false positives.
-
Geo-Filtering
Allow or block traffic based on country/region of origin.
LiteSpeed Web Server WAF
-
ModSecurity Compatibility
Supports ModSecurity rules with significantly better performance than Apache mod_security.
-
Built-In WAF
WAF integrated directly into the web server for minimal overhead.
-
OWASP CRS Support
Compatible with the OWASP Core Rule Set; CRS must be enabled and the rule set installed, it is not active by default.
Which One Is Right for You?
The best WAF depends on your specific requirements, infrastructure, and team expertise.
Azure Web Application Firewall
- You need: Azure-native applications, Microsoft enterprise customers, government and regulated industries, global applications needing edge protection
- You're using: Azure Application Gateway, Azure Front Door, Azure CDN, Azure Spring Apps
LiteSpeed Web Server WAF
- You need: Hosting providers, WordPress sites on LiteSpeed, organizations wanting server-level WAF
- You want to start with a free tier
- You're using: Linux servers
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: Azure Web Application Firewall or LiteSpeed Web Server WAF?
LiteSpeed Web Server WAF offers a free tier while Azure Web Application Firewall does not, making LiteSpeed Web Server WAF more accessible for budget-conscious startups. LiteSpeed Web Server WAF scores higher for ease of use (4.0/5), which is valuable for smaller teams. Consider your immediate security needs and growth plans when choosing.
Which has better support: Azure Web Application Firewall or LiteSpeed Web Server WAF?
Azure Web Application Firewall has a higher support rating (4.2/5) compared to LiteSpeed Web Server WAF (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: Azure Web Application Firewall or LiteSpeed Web Server WAF?
LiteSpeed Web Server WAF scores higher for ease of use (4.0/5) versus Azure Web Application Firewall (3.5/5). The actual implementation effort depends on your existing infrastructure and team expertise.
Which is more cost-effective: Azure Web Application Firewall or LiteSpeed Web Server WAF?
LiteSpeed Web Server WAF offers a free tier while Azure Web Application Firewall requires a paid plan. LiteSpeed Web Server WAF scores higher for value (4.5/5). Total cost depends on your traffic volume, required features, and support level needs.
Which is better for enterprise: Azure Web Application Firewall or LiteSpeed Web Server WAF?
Azure Web Application Firewall is positioned for enterprise use cases, while LiteSpeed Web Server WAF may be more suited for small to mid-market organizations. Enterprise buyers should evaluate SLAs, support options, and integration capabilities.