Best WAF for AWS
Find the best WAF solutions for protecting applications hosted on Amazon Web Services, from native AWS WAF to third-party alternatives.
AWS Web Application Firewall
AWS WAF is the natural choice for AWS environments, offering seamless integration with CloudFront, ALB, and API Gateway, plus access to AWS Managed Rules and the vast AWS ecosystem.
Amazon Web Services (AWS) hosts millions of applications and websites, each needing protection from web-based attacks. While AWS offers its native WAF service, third-party solutions can provide additional features, easier management, or better value depending on your needs.
This guide compares the best WAF options for AWS deployments, whether you're running on EC2, ECS, Lambda, or using services like CloudFront and Application Load Balancer.
Quick Comparison
| Provider | Rating | Free Tier | Best For |
|---|---|---|---|
|
1
AWS Web Application Firewall
Native Integration
|
4.3/5 | - | AWS-native applications, organizations already in… |
|
2
Cloudflare Web Application Firewall
Best CDN + WAF
|
4.5/5 | Small to medium websites, WordPress sites, develo… | |
|
3
Imperva Web Application Firewall
Enterprise Grade
|
4.4/5 | - | Large enterprises, organizations with sophisticat… |
Our Top Picks for AWS
AWS Web Application Firewall
Native IntegrationAWS WAF integrates natively with AWS services, allowing you to protect resources without routing traffic outside your VPC. Managed rules, automatic scaling, and pay-per-use pricing make it ideal for most AWS workloads.
Key Benefits:
- Native CloudFront and ALB integration
- AWS Managed Rules for common threats
- Seamless VPC integration
- Pay only for what you use
Cloudflare Web Application Firewall
Best CDN + WAFCloudflare provides a powerful WAF with global CDN, offering additional performance benefits and protection at the edge before traffic reaches your AWS infrastructure.
Key Benefits:
- Global CDN for better performance
- Easy setup via DNS
- DDoS protection included
- Free tier available
Imperva Web Application Firewall
Enterprise GradeImperva offers enterprise-level protection with advanced bot management, API security, and compliance features ideal for large-scale AWS deployments.
Key Benefits:
- Advanced bot management
- API security features
- Compliance certifications
- 24/7 SOC support
How We Selected These Providers
We evaluated AWS WAF solutions on:
- AWS integration: Compatibility with AWS services and infrastructure
- Rule management: Ease of creating and managing security rules
- Scalability: Ability to handle traffic spikes and scale automatically
- Cost efficiency: Value for money at different traffic levels
- Logging and monitoring: Integration with AWS CloudWatch and other tools
What to Look For in a WAF for AWS
Key features for AWS WAF protection:
- CloudFront/ALB support: Native integration with your AWS edge services
- Managed rule sets: Pre-built rules for common attack patterns
- Rate limiting: Protection against DDoS and brute force attacks
- IP reputation: Block known malicious IP addresses
- Logging: Detailed request logging for analysis
Frequently Asked Questions
Should I use AWS WAF or a third-party solution?
AWS WAF is ideal if you want native integration and pay-per-use pricing. Third-party solutions like Cloudflare or Imperva are better if you need global CDN, more advanced bot protection, or prefer a single vendor across multiple cloud providers.
Can I use AWS WAF with Lambda and API Gateway?
Yes, AWS WAF integrates directly with API Gateway to protect your Lambda-based APIs. You can apply managed rules, custom rules, and rate limiting to your API endpoints.
Final Thoughts
For most AWS deployments, AWS WAF is the recommended choice due to its native integration and flexible pricing. For applications needing global CDN or multi-cloud support, Cloudflare provides excellent value.