ModSecurity vs Imperva
A detailed comparison to help you choose between ModSecurity and Imperva.
ModSecurity Open-source web application firewall for Apache, Nginx, and IIS | Imperva Enterprise WAF and DDoS protection | |
|---|---|---|
| Overview | ||
| Rating | 4.0 (250 reviews) | 4.0 (66 reviews)✓ |
| Pricing model | free | paid |
| Starting price | Free✓ | From €500/mo |
| Best for | DevOps teams and system administrators running self-managed web servers who need application-layer protection without managed WAF costs. | Enterprise companies in financial services needing best-in-class WAF and bot management |
| Tags | ||
| Tags | free tieropen sourceself hostable | ddos protectionteam featuressso |
| Visit ModSecurity → | Visit Imperva → | |
ModSecurity
Pros
- + Deploy on-premises with full control and visibility
- + Use industry-standard OWASP Core Rule Set or create custom rules
- + Inspect request/response payloads, headers, and cookies in real-time
- + Free and open-source with active community support
Cons
- - Requires server-level integration and maintenance expertise
- - Rule tuning needed to avoid false positives in production
- - No built-in DDoS rate-limiting or volumetric attack mitigation
Imperva
Pros
- + Enterprise-grade WAF with bot management
- + 6Tbps DDoS capacity
- + Advanced API security
Cons
- - Very expensive — enterprise pricing only
- - Complex to configure for maximum protection
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