WAF comparison
Azure WAF vs AWS WAF
Compare Azure Web Application Firewall and AWS WAF for cloud-native application protection across Azure and AWS workloads.
Quick answer
Azure Web Application Firewall vs AWS WAF: bottom line
Choose Azure WAF for Azure Front Door or Application Gateway paths. Choose AWS WAF for CloudFront, ALB, API Gateway, AppSync, and AWS-native workloads.
- Azure Web Application Firewall
- Azure workloads
- AWS WAF
- AWS workloads
- Decision
- Best for cloud security teams comparing WAF options across Azure and AWS architectures.
| Area | Azure Web Application Firewall | AWS WAF | WAFWiki note |
|---|---|---|---|
| Cloud fit | Azure Front Door and Application Gateway | CloudFront, ALB, API Gateway, and AppSync | The strongest fit follows the cloud entry point. |
| Operations | Azure policy, diagnostics, and Microsoft tooling | AWS web ACLs, rule groups, sampled requests, and AWS logging | Choose the platform your security team can monitor well. |
| Multi-cloud use | Best for Azure-fronted traffic | Best for AWS-fronted traffic | A neutral edge WAF may be simpler for applications spanning several clouds. |
| Pricing model | Usage-based | Usage-based | Validate feature packaging, traffic volume, support, and required managed rules before comparing cost. |
| License and support | Commercial service | Commercial service | Support expectations can change the practical cost and rollout risk. |
| Integration surface | Azure Monitor / Application Gateway / Front Door | AWS Shield / AWS Firewall Manager / CloudWatch | Integration fit determines how quickly the WAF can be tested in the real traffic path. |
| Key controls | Managed rules / Custom rules / Bot protection options | Managed rule groups / Custom rules / Bot controls | Treat feature claims as test cases for the proof of concept. |
| Operations ownership | Managed service | Managed service | This determines who owns monitoring, upgrades, tuning, incident response, and rollback. |
| Best-fit workload | Azure workloads / Application Gateway users / Front Door deployments | AWS workloads / CloudFront apps / AWS-native teams | Shortlist the option that matches the team and architecture before deep tuning. |
| Source confidence | 5 source links tracked | 5 source links tracked | Prefer pages with current official documentation, repository, or product references. |
Workflow model
Read the comparison through a traffic-flow diagram.
Treat this as an application-entry and cloud-operating-model decision: Azure Front Door or Application Gateway versus CloudFront, ALB, API Gateway, or AppSync attachment.
- Client traffic
- Network entry point
- WAF inspection layer
- Policy decision
- Allowed request to origin
- Blocked request evidence
How to validate this choice
- Test Azure Web Application Firewall and AWS WAF behind the same staging hostname or protected route when the architecture allows it.
- Compare Azure Web Application Firewall's Azure Application Gateway / Azure Front Door path with AWS WAF's CloudFront / Application Load Balancer path before comparing feature lists.
- Replay clean login, upload, API, and admin workflows before using blocking actions.
- Record rule matches, false positives, latency, logging detail, ownership, and rollback steps for both options.
Scientific comparison rule
Compare native resource fit, policy-as-code, managed rules, diagnostics, cross-account operations, pricing inputs, and rollback in the actual cloud estate.
Azure Web Application Firewall
Azure Web Application Firewall is a managed WAF option for Azure-hosted and Azure-fronted applications, especially when teams already use Application Gateway or Azure Front Door.
Read Azure Web Application Firewall profileAWS WAF
AWS WAF is a managed web application firewall for protecting AWS-hosted applications and APIs with rule groups, managed rules, and AWS-native integrations.
Read AWS WAF profile