BunkerWeb Open Source WAF vs Solid Security (formerly iThemes Security)
Both BunkerWeb Open Source WAF and Solid Security (formerly iThemes Security) are capable WAF solutions. The right choice depends on your specific infrastructure, budget, and feature requirements.
Overview
BunkerWeb Open Source WAF and Solid Security (formerly iThemes Security) are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.
Next-generation open source WAF built on NGINX with ModSecurity integration, offering comprehensive web security with an intuitive web UI and extensive plugin system.
Comprehensive WordPress security plugin with Patchstack-powered firewall rules, virtual patching, two-factor authentication, and site scanning for proactive protection.
Quick Comparison
| Feature | BunkerWeb Open Source WAF | Solid Security (formerly iThemes Security) |
|---|---|---|
| Overall Rating | 4.0/5 | 4.1/5 |
| Free Tier | Yes | Yes |
| Pricing Model | Free (Open Source) / Pro Support | Freemium (Free tier + annual Pro license) |
| Ease of Use | 3.8/5 | 4.3/5 |
| Value for Money | 4.9/5 | 4.2/5 |
| Support | 3.2/5 | 4.0/5 |
| Open Source | Yes | Yes |
| Platforms | Linux, Docker, Docker Swarm, Kubernetes, any NGINX-compatible environment | WordPress (self-hosted) |
| Compliance | N/A (self-hosted, compliance depends on implementation) | Contact vendor |
Pricing Comparison
BunkerWeb Open Source WAF
Model: Free (Open Source) / Pro Support
Free Tier AvailableCommunity Edition
Free
Pro Support
Contact for pricing
Solid Security (formerly iThemes Security)
Model: Freemium (Free tier + annual Pro license)
Free Tier AvailableFree
$0
Pro (1 site)
$99/year (~$8.25/month)
Pro (multi-site)
From $199/year
Features Comparison
BunkerWeb Open Source WAF
-
ModSecurity Integration
Built-in ModSecurity WAF with OWASP Core Rule Set for comprehensive protection against web application attacks.
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Bot Protection
Block malicious bots with challenge-based verification using cookies, JavaScript tests, captchas, or third-party services.
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Rate Limiting & DDoS Protection
Limit connections and requests from clients, automatically ban suspicious activities triggering abnormal HTTP status codes.
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IP Reputation
Block known bad IPs using external blacklists and DNSBL integration.
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Web UI Management
User-friendly graphical interface for configuration and monitoring without command-line expertise.
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Plugin System
Extend functionality with official and community plugins including ClamAV antivirus, Coraza WAF, and notification integrations.
Solid Security (formerly iThemes Security)
-
Patchstack Firewall
Virtual patching rules powered by Patchstack that protect against known plugin and theme vulnerabilities automatically.
-
Two-Factor Authentication
Multiple 2FA methods including authenticator apps, email codes, and backup codes for all user roles.
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Passwordless Login
Login via passkeys and biometrics, eliminating password-based attacks entirely (Pro feature).
-
Site Scanner
Checks for known malware, vulnerabilities in plugins and themes, and blocklist status.
-
File Change Detection
Monitors WordPress core files and alerts when unexpected changes are detected.
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Security Dashboard
Unified dashboard showing security status, recent events, and actionable recommendations.
-
Trusted Devices
Recognizes trusted devices and restricts admin access from unknown devices (Pro feature).
Which One Is Right for You?
The best WAF depends on your specific requirements, infrastructure, and team expertise.
BunkerWeb Open Source WAF
- You need: Security-conscious organizations wanting data control, DevOps teams comfortable with self-hosting, budget-constrained projects, privacy-focused deployments
- You want to start with a free tier
- You prefer open-source solutions
- You're using: Linux, Docker, Docker Swarm, Kubernetes, any NGINX-compatible environment
Solid Security (formerly iThemes Security)
- You need: WordPress agencies managing multiple sites, users wanting modern authentication features like passkeys, sites needing automatic virtual patching for plugin vulnerabilities
- You want to start with a free tier
- You prefer open-source solutions
- You're using: WordPress (self-hosted)
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: BunkerWeb Open Source WAF or Solid Security (formerly iThemes Security)?
Both BunkerWeb Open Source WAF and Solid Security (formerly iThemes Security) offer free tiers, making them accessible for startups. Solid Security (formerly iThemes Security) scores higher for ease of use (4.3/5), which is valuable for smaller teams. Consider your immediate security needs and growth plans when choosing.
Which has better support: BunkerWeb Open Source WAF or Solid Security (formerly iThemes Security)?
Solid Security (formerly iThemes Security) has a higher support rating (4.0/5) compared to BunkerWeb Open Source WAF (3.2/5). 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: BunkerWeb Open Source WAF or Solid Security (formerly iThemes Security)?
Solid Security (formerly iThemes Security) scores higher for ease of use (4.3/5) versus BunkerWeb Open Source WAF (3.8/5). The actual implementation effort depends on your existing infrastructure and team expertise.
Which is more cost-effective: BunkerWeb Open Source WAF or Solid Security (formerly iThemes Security)?
Both providers offer free tiers, making it easy to start without commitment. BunkerWeb Open Source WAF scores higher for value (4.9/5). Total cost depends on your traffic volume, required features, and support level needs.
Which is better for WordPress: BunkerWeb Open Source WAF or Solid Security (formerly iThemes Security)?
Solid Security (formerly iThemes Security) explicitly supports WordPress while BunkerWeb Open Source WAF takes a more platform-agnostic approach. For WordPress-specific threats like plugin vulnerabilities and brute force attacks, look for providers with WordPress-specific rule sets.