Azure Web Application Firewall vs Blackwall
Azure Web Application Firewall and Blackwall serve different market segments. Your organization's size, budget, and security requirements will determine which is the better fit.
Note: Azure Web Application Firewall and Blackwall target different market segments. This comparison highlights the trade-offs between solutions designed for different organizational sizes.
Overview
Azure Web Application Firewall and Blackwall 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.
Bot protection and WAF platform formerly known as BotGuard. Two products, BotGuard (website protection for SMBs) and GateKeeper (distributed reverse proxy with WAF for hosting providers). B2B2C model targeting hosting providers who bundle security for their customers. Free monitoring mode available. CloudFest Diamond sponsor.
Quick Comparison
| Feature | Azure Web Application Firewall | Blackwall |
|---|---|---|
| Overall Rating | 4.2/5 | 3.4/5 |
| Free Tier | No | Yes |
| Pricing Model | Pay-per-use (gateway hours + data processed) | Custom (contact sales) |
| Ease of Use | 3.5/5 | 3.8/5 |
| Value for Money | 3.8/5 | 3.2/5 |
| Support | 4.2/5 | 3.5/5 |
| Platforms | Azure Application Gateway, Azure Front Door, Azure CDN, Azure Spring Apps | Any web server (Apache, Nginx, LiteSpeed) for BotGuard. Any hosting provider infrastructure for GateKeeper. Compatible with shared hosting, VPS, dedicated servers, and cloud environments. |
| Compliance | SOC 1/2/3, PCI DSS, HIPAA, FedRAMP High, ISO 27001, ISO 27018 | GDPR compliant |
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
Blackwall
Model: Custom (contact sales)
Free Tier AvailableBotGuard (Free Monitoring)
Free
BotGuard (Active Protection)
Custom
GateKeeper (Hosting Providers)
Custom
Features Comparison
Azure Web Application Firewall
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OWASP Core Rule Set
Pre-configured protection against OWASP Top 10 vulnerabilities with regularly updated rule sets.
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Custom Rules
Create custom rules based on geo-location, IP address, request attributes, and rate limiting.
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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.
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Exclusion Lists
Fine-tune rules by excluding specific request attributes to reduce false positives.
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Geo-Filtering
Allow or block traffic based on country/region of origin.
Blackwall
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BotGuard Web Protection
Cloud-based bot detection and mitigation for individual websites. Integrates at the web server level without DNS redirect. Behavioral analysis distinguishes legitimate crawlers from malicious bots.
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GateKeeper Reverse Proxy
Distributed reverse proxy cluster for hosting providers. Sits in front of all hosted websites, providing transparent security without per-site configuration. Scales with hosting provider infrastructure.
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HTTP/3 QUIC Support
GateKeeper supports HTTP/3 with QUIC protocol, providing better performance on high-latency and lossy connections. Automatic protocol negotiation for browsers that support it.
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Automatic SSL Management
GateKeeper handles TLS 1.3 certificates automatically. SSL certificates are provisioned and renewed without manual intervention, reducing operational burden for hosting providers managing thousands of domains.
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WAF with OWASP Top 10
Rule-based WAF protecting against SQL injection, XSS, CSRF, and other OWASP Top 10 attack vectors. Rules updated by the Blackwall security team.
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Behavioral Bot Detection
Uses behavioral analysis to classify traffic as human, good bot (search engine crawlers), or malicious bot. Goes beyond simple user-agent checking to analyze request patterns and behavior.
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Rate Limiting
Configurable rate limiting to mitigate brute force attacks, credential stuffing, and application-level DDoS. Can be applied per IP, per endpoint, or globally.
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CDN Caching Layer
GateKeeper includes a caching layer that absorbs traffic spikes and reduces load on origin servers. Static content is served from the proxy layer, improving response times.
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Free Monitoring Mode
Observe bot traffic and threat patterns without blocking anything. Useful for evaluation and traffic profiling. Available for both BotGuard and GateKeeper deployments.
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
Blackwall
- You need: Web hosting providers wanting to bundle bot protection and WAF for their customers. Hosting companies managing large numbers of domains that need automated SSL and transparent security. SMBs wanting bot protection without DNS changes.
- You want to start with a free tier
- You're using: Any web server (Apache, Nginx, LiteSpeed) for BotGuard. Any hosting provider infrastructure for GateKeeper. Compatible with shared hosting, VPS, dedicated servers, and cloud environments.
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 Blackwall?
Blackwall offers a free tier while Azure Web Application Firewall does not, making Blackwall more accessible for budget-conscious startups. Blackwall scores higher for ease of use (3.8/5), 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 Blackwall?
Azure Web Application Firewall has a higher support rating (4.2/5) compared to Blackwall (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 Blackwall?
Blackwall scores higher for ease of use (3.8/5) 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 Blackwall?
Blackwall offers a free tier while Azure Web Application Firewall requires a paid plan. Azure Web Application Firewall scores higher for value (3.8/5). Total cost depends on your traffic volume, required features, and support level needs.
Which is better for enterprise: Azure Web Application Firewall or Blackwall?
Azure Web Application Firewall is positioned for enterprise use cases, while Blackwall may be more suited for small to mid-market organizations. Enterprise buyers should evaluate SLAs, support options, and integration capabilities.