Azure Web Application Firewall vs BunkerWeb Open Source WAF

Azure Web Application Firewall and BunkerWeb Open Source WAF take different approaches to web application security. Consider your team's expertise and infrastructure preferences when evaluating these options.

View Azure Web Application Firewall Review View BunkerWeb Open Source WAF Review

Azure Web Application Firewall and BunkerWeb Open Source WAF take fundamentally different approaches to web application security. Understanding your infrastructure and team capabilities will help determine which approach fits your needs.

Overview

Azure Web Application Firewall and BunkerWeb Open Source 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.

Next-generation open source WAF built on NGINX with ModSecurity integration, offering comprehensive web security with an intuitive web UI and extensive plugin system.

Quick Comparison

Feature	Azure Web Application Firewall	BunkerWeb Open Source WAF
Overall Rating	4.2/5	4.0/5
Free Tier	No	Yes
Pricing Model	Pay-per-use (gateway hours + data processed)	Free (Open Source) / Pro Support
Ease of Use	3.5/5	3.8/5
Value for Money	3.8/5	4.9/5
Support	4.2/5	3.2/5
Open Source	No	Yes
Platforms	Azure Application Gateway, Azure Front Door, Azure CDN, Azure Spring Apps	Linux, Docker, Docker Swarm, Kubernetes, any NGINX-compatible environment
Compliance	SOC 1/2/3, PCI DSS, HIPAA, FedRAMP High, ISO 27001, ISO 27018	N/A (self-hosted, compliance depends on implementation)

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

View full pricing →

BunkerWeb Open Source WAF

Model: Free (Open Source) / Pro Support

Free Tier Available

Community Edition

Free

Pro Support

Contact for pricing

View full pricing →

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).
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.

BunkerWeb Open Source WAF

ModSecurity Integration
Built-in ModSecurity WAF with OWASP Core Rule Set for comprehensive protection against web application attacks.
Bot Protection
Block malicious bots with challenge-based verification using cookies, JavaScript tests, captchas, or third-party services.
Rate Limiting & DDoS Protection
Limit connections and requests from clients, automatically ban suspicious activities triggering abnormal HTTP status codes.
IP Reputation
Block known bad IPs using external blacklists and DNSBL integration.
Web UI Management
User-friendly graphical interface for configuration and monitoring without command-line expertise.
Plugin System
Extend functionality with official and community plugins including ClamAV antivirus, Coraza WAF, and notification integrations.

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

Learn more →

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

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: Azure Web Application Firewall or BunkerWeb Open Source WAF?

BunkerWeb Open Source WAF offers a free tier while Azure Web Application Firewall does not, making BunkerWeb Open Source WAF more accessible for budget-conscious startups. BunkerWeb Open Source WAF 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 BunkerWeb Open Source WAF?

Azure Web Application Firewall has a higher support rating (4.2/5) 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: Azure Web Application Firewall or BunkerWeb Open Source WAF?

BunkerWeb Open Source WAF 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 BunkerWeb Open Source WAF?

BunkerWeb Open Source WAF offers a free tier while Azure Web Application Firewall requires a paid plan. 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 enterprise: Azure Web Application Firewall or BunkerWeb Open Source WAF?

Azure Web Application Firewall is positioned for enterprise use cases, while BunkerWeb Open Source WAF may be more suited for small to mid-market organizations. Enterprise buyers should evaluate SLAs, support options, and integration capabilities.