AWS Web Application Firewall vs Modshield SB
Both AWS Web Application Firewall and Modshield SB are capable WAF solutions. The right choice depends on your specific infrastructure, budget, and feature requirements.
Overview
AWS Web Application Firewall and Modshield SB are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.
Native AWS security service providing scalable WAF protection for applications hosted on AWS infrastructure with pay-per-use pricing.
ModSecurity-based web application firewall with an intuitive management UI, offering IP reputation filtering, geo-blocking, SIEM integration, and built-in load balancing in a self-hosted virtual appliance.
Quick Comparison
| Feature | AWS Web Application Firewall | Modshield SB |
|---|---|---|
| Overall Rating | 4.3/5 | 3.5/5 |
| Free Tier | No | No |
| Pricing Model | Pay-per-use (rules + requests) | Subscription-based, per appliance |
| Ease of Use | 3.5/5 | 3.8/5 |
| Value for Money | 4.0/5 | 3.5/5 |
| Support | 4.0/5 | 3.3/5 |
| Platforms | AWS CloudFront, ALB, API Gateway, AppSync, Cognito, App Runner, Verified Access | Any web application (deployed as reverse proxy VM) |
| Compliance | SOC 1/2/3, PCI DSS, HIPAA, FedRAMP, ISO 27001 | OWASP Top 10 coverage, PCI DSS support |
Pricing Comparison
AWS Web Application Firewall
Model: Pay-per-use (rules + requests)
Small (1 ACL, 10 rules)
$15/month + $0.60/M requests
Medium (2 ACL, 25 rules)
$35/month + $0.60/M requests
Large (5 ACL, 50 rules)
$75/month + $0.60/M requests
Modshield SB
Model: Subscription-based, per appliance
Standard
Contact for pricing
Enterprise
Contact for pricing
Features Comparison
AWS Web Application Firewall
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AWS Managed Rules
Pre-configured rule groups maintained by AWS and AWS Marketplace sellers for common threats.
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Custom Rules
Build your own rules using conditions like IP addresses, HTTP headers, URI strings, and more.
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Rate-Based Rules
Automatically block IPs that exceed defined request thresholds.
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Bot Control
Managed rule group for detecting and managing bot traffic (additional cost).
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Fraud Control
Account takeover prevention and creation fraud detection for login/signup pages.
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Firewall Manager Integration
Centrally configure and manage WAF rules across multiple AWS accounts.
Modshield SB
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ModSecurity Engine
Built on the proven ModSecurity WAF engine with full OWASP Core Rule Set compatibility.
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IP Reputation Filtering
Automatically block traffic from known malicious IP addresses using continuously updated threat intelligence feeds.
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Geo-Blocking
Country-level blacklisting and whitelisting to restrict access based on geographic origin.
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SIEM Integration
Forward security logs to external SIEM systems like Splunk and Elasticsearch for centralized monitoring.
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Built-in Load Balancer
Integrated load balancing distributes traffic across multiple backend servers without additional infrastructure.
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Compliance Metrics
Built-in compliance reporting and dashboards to help meet regulatory requirements.
Which One Is Right for You?
The best WAF depends on your specific requirements, infrastructure, and team expertise.
AWS Web Application Firewall
- You need: AWS-native applications, organizations already invested in AWS ecosystem, variable traffic workloads, multi-account AWS environments
- You're using: AWS CloudFront, ALB, API Gateway, AppSync, Cognito, App Runner, Verified Access
Modshield SB
- You need: Organizations wanting managed ModSecurity with a GUI, self-hosted WAF requirements, compliance-focused deployments
- You're using: Any web application (deployed as reverse proxy VM)
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 has better support: AWS Web Application Firewall or Modshield SB?
AWS Web Application Firewall has a higher support rating (4.0/5) compared to Modshield SB (3.3/5). 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: AWS Web Application Firewall or Modshield SB?
Modshield SB scores higher for ease of use (3.8/5) versus AWS Web Application Firewall (3.5/5). The actual implementation effort depends on your existing infrastructure and team expertise.
Which is more cost-effective: AWS Web Application Firewall or Modshield SB?
Neither provider offers a completely free tier. AWS Web Application Firewall scores higher for value (4.0/5). Total cost depends on your traffic volume, required features, and support level needs.
Which works better with AWS: AWS Web Application Firewall or Modshield SB?
AWS Web Application Firewall is AWS's native WAF solution, offering the tightest integration with AWS services like CloudFront, ALB, and API Gateway. Modshield SB can also protect AWS workloads but requires additional configuration. Consider whether native AWS integration or cross-cloud portability matters more for your use case.