AWS Web Application Firewall vs Zscaler Internet Access (ZIA) WAF
Both AWS Web Application Firewall and Zscaler Internet Access (ZIA) WAF are capable WAF solutions. The right choice depends on your specific infrastructure, budget, and feature requirements.
Overview
AWS Web Application Firewall and Zscaler Internet Access (ZIA) 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.
Native AWS security service providing scalable WAF protection for applications hosted on AWS infrastructure with pay-per-use pricing.
Enterprise zero trust security platform with integrated cloud WAF capabilities as part of Zscaler Internet Access. Inspects all traffic including encrypted SSL/TLS at cloud scale.
Quick Comparison
| Feature | AWS Web Application Firewall | Zscaler Internet Access (ZIA) WAF |
|---|---|---|
| Overall Rating | 4.3/5 | 3.8/5 |
| Free Tier | No | No |
| Pricing Model | Pay-per-use (rules + requests) | Per user / Annual subscription |
| Ease of Use | 3.5/5 | 3.2/5 |
| Value for Money | 4.0/5 | 3.0/5 |
| Support | 4.0/5 | 4.0/5 |
| Platforms | AWS CloudFront, ALB, API Gateway, AppSync, Cognito, App Runner, Verified Access | Cloud (SaaS) |
| Compliance | SOC 1/2/3, PCI DSS, HIPAA, FedRAMP, ISO 27001 | SOC 2, ISO 27001, FedRAMP, HIPAA, PCI DSS, GDPR |
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
Zscaler Internet Access (ZIA) WAF
Model: Per user / Annual subscription
ZIA Business
Custom pricing
ZIA Transformation
Custom 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.
Zscaler Internet Access (ZIA) WAF
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Inline WAF Protection
Inspects web traffic inline for OWASP Top 10 threats as part of the broader ZIA security stack.
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Full SSL/TLS Inspection
Decrypts, inspects, and re-encrypts all encrypted traffic at cloud scale without performance degradation.
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AI-Powered Threat Detection
Machine learning models analyze traffic patterns to detect zero-day threats and advanced attacks.
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Cloud Firewall
Stateful inspection firewall for all ports and protocols, extending protection beyond HTTP/S traffic.
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Centralized Policy Management
Single console for global security policy enforcement across 150+ data centers.
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Zero Trust Architecture
Identity-based access control ensuring users only reach authorized applications regardless of location.
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
Zscaler Internet Access (ZIA) WAF
- You need: Large enterprises adopting zero trust, organizations wanting a single vendor for all web security, companies with distributed workforces needing consistent global security policy
- You're using: Cloud (SaaS)
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 Zscaler Internet Access (ZIA) WAF?
Zscaler Internet Access (ZIA) WAF has a higher support rating (4.0/5) compared to AWS Web Application Firewall (4.0/5). 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 Zscaler Internet Access (ZIA) WAF?
AWS Web Application Firewall scores higher for ease of use (3.5/5) versus Zscaler Internet Access (ZIA) WAF (3.2/5). The actual implementation effort depends on your existing infrastructure and team expertise.
Which is more cost-effective: AWS Web Application Firewall or Zscaler Internet Access (ZIA) WAF?
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 Zscaler Internet Access (ZIA) WAF?
AWS Web Application Firewall is AWS's native WAF solution, offering the tightest integration with AWS services like CloudFront, ALB, and API Gateway. Zscaler Internet Access (ZIA) WAF can also protect AWS workloads but requires additional configuration. Consider whether native AWS integration or cross-cloud portability matters more for your use case.
Which is better for enterprise: AWS Web Application Firewall or Zscaler Internet Access (ZIA) WAF?
Zscaler Internet Access (ZIA) WAF is positioned for enterprise use cases, while AWS Web Application Firewall may be more suited for small to mid-market organizations. Both offer compliance certifications important for enterprise. Enterprise buyers should evaluate SLAs, support options, and integration capabilities.