Same-subcategory comparison

Azure Web Application FirewallvsBarracuda Web Application Firewall

Compare buyer fit, pricing, capability depth, and purchase constraints within one buying category. A higher score is not a universal winner.

Comparison summary

How to choose

These conclusions apply to this subcategory and the buyer conditions shown here. They do not make one product universally better.

Azure Web Application Firewall

Consider when
  • Azure-centered organizations protecting regional web applications and REST APIs through Application Gateway WAF v2
  • Kubernetes platform teams using Application Gateway for Containers and Gateway API resources
Check before choosing
  • Buyers requiring a standalone flat-price WAF with one public monthly amount
  • Teams seeking a full API discovery, posture, schema-governance, and testing platform
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Barracuda Web Application Firewall

Consider when
  • Mid-market and enterprise teams needing a customer-operated appliance WAF
  • Hybrid estates that need consistent hardware, virtual, AWS, and Azure deployment
Check before choosing
  • Buyers seeking the separate vendor-operated WAF-as-a-Service experience
  • Teams requiring public all-in appliance pricing before configuration
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DimensionAzure Web Application FirewallBarracuda Web Application Firewall
Pricing and trial
  • Azure WAF with Application Gateway v2
    • Amount unverified — check official pricing
  • Azure WAF with Application Gateway for Containers
    • Amount unverified — check official pricing

The two exact core offers are usage-metered Azure services, but their current numeric regional rates were not exposed in the public pricing state and are therefore omitted. Azure Front Door is a broader delivery-service route: Standard supports custom WAF rules, while Premium includes full WAF capabilities and managed rule sets. Its verified North America USD route meters are retained only in purchasePaths. Agreement, region, traffic, logging, and connected-service charges can change the total cost.

  • Azure Front Door Standard or Premium: Azure Front Door is a broader content-delivery and global application-delivery service. Standard provides custom WAF rules without an extra WAF fee; Premium includes managed WAF rule sets, bot protection, threat intelligence, security analytics, and Private Link. The retained offers are Front Door route charges, not standalone Azure WAF prices.
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  • Physical Appliance
    • Amount unverified — check official pricing
  • Virtual Appliance
    • Amount unverified — check official pricing

Physical and virtual appliance pricing is configured through Barracuda and authorized channel partners. Physical software is licensed for an agreed monthly or multi-month or multi-year period, while Vx capacity is licensed by CPU cores. AWS provides separate BYOL, hourly PAYG, and throughput-metered routes; only currently visible instance-bound PAYG rates are retained below. Energize Updates is required, while Advanced Threat Protection, Advanced Bot Protection, and Active DDoS Prevention are separate subscriptions.

  • Barracuda authorized channel partner: Barracuda's current product description states that end customers purchase the physical or virtual appliance product through authorized channel partners. Public numeric appliance and Vx prices were not verified.
  • AWS Marketplace PAYG: A current AWS Marketplace route deploys the exact virtual appliance as an AMI and charges hourly by EC2 instance dimension. The listing still uses the former CloudGen WAF name; Barracuda version 12.2 documentation says public-cloud images are now branded Web Application Firewall. AWS infrastructure costs may apply separately.
  • AWS Marketplace BYOL and metered: Barracuda documents BYOL and throughput-metered AWS licensing in addition to PAYG. BYOL requires a separately obtained Barracuda token and leaves AWS infrastructure charges; metered pricing depends on total bandwidth. No current bound numeric rate was retained for either route.
  • Microsoft Azure Marketplace: The current virtual appliance is deployable in a customer Azure tenant through PAYG or BYOL images. No current bound public Azure amount was verified.
  • Barracuda WAF-as-a-Service: A vendor-operated SaaS WAF with its own Advanced and Premium license plans. It can import appliance configuration, but it is not the physical or virtual appliance edition evaluated here.
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Best for
  • Azure-centered organizations protecting regional web applications and REST APIs through Application Gateway WAF v2
  • Kubernetes platform teams using Application Gateway for Containers and Gateway API resources
  • Global applications that can acquire WAF through Azure Front Door Premium
  • Mid-market and enterprise teams needing a customer-operated appliance WAF
  • Hybrid estates that need consistent hardware, virtual, AWS, and Azure deployment
  • Application teams needing WAF, access control, and application-delivery functions together
Not for
  • Buyers requiring a standalone flat-price WAF with one public monthly amount
  • Teams seeking a full API discovery, posture, schema-governance, and testing platform
  • Organizations expecting automated per-application learning and false-positive tuning without operational review
  • Buyers seeking the separate vendor-operated WAF-as-a-Service experience
  • Teams requiring public all-in appliance pricing before configuration
  • Buyers expecting Advanced Bot Protection, Advanced Threat Protection, or Active DDoS Prevention in the core license
Source check98/10097/100
Key features
  • Regional dedicated WAF through Application Gateway v2
  • Kubernetes ingress WAF through Application Gateway for Containers
  • Global edge WAF through Azure Front Door Standard custom rules or Premium managed protection
  • Azure-managed Default Rule Set and supported Core Rule Set versions
  • Anomaly scoring, detection mode, prevention mode, custom rules, exclusions, and rule overrides
  • Reverse-proxy protection for web applications, REST APIs, XML, JSON, and mobile backends
  • Smart Signatures, positive security, anomaly detection, adaptive profiling, and application learning
  • Virtual patching through Barracuda and third-party vulnerability-scanner integrations
  • Application-layer DoS, rate limiting, CAPTCHA, IP reputation, and basic bot controls
  • Outbound data-leak inspection, masking, file controls, and server cloaking
Cons
  • Exact Application Gateway WAF v2 and Containers WAF numeric rates were not exposed in the public pricing state
  • Total cost depends on deployment resources, capacity, requests, data transfer, regions, logs, and connected Azure services
  • Front Door Premium is a broader service purchase, not a standalone WAF license
  • No universal public numeric appliance or Vx price was verified.
  • Energize Updates is required for current updates
  • separate subscriptions add cost for advanced bot, threat, and volumetric DDoS protection.
Category buying score
78
79Higher category-fit score
Rank#4#2
ContextSecurity & Privacy / Web Application Firewall (WAF) SoftwareSecurity & Privacy / Web Application Firewall (WAF) Software
Protection efficacy
80Delivers foundational defense via managed rulesets, anomaly scoring, and custom rules, but requires continuous operational review to maintain performance without false positives.
82The appliance blocks application-layer threats using dual positive and negative security models and prevents data loss via outbound masking, though advanced threat protection requires an optional add-on.
Policy accuracy and tuning
76The presence of managed rules, custom rules, exclusions, and version-specific features supports accurate policy expression, but the need for testing and false-positive tuning on managed rules limits the score.
78Automated application learning and vulnerability scanner integrations simplify virtual patching and improve policy accuracy, though manual policy verification is still needed during staging.
Application and API coverage
81Protects up to 40 websites per gateway instance and supports regional, Kubernetes, and edge routes, but lacks comprehensive api auto-discovery or schema governance.
86The product explicitly protects web applications, REST APIs, XML, JSON, and mobile backends, which gives it broad application and API coverage, although the facts do not add container-native enforcement as a core appliance edition.
Security operations
79Facilitates security workflows with Sentinel and infrastructure-as-code tools, but lacks Security Copilot support on container-based gateways and requires separate services for multi-policy management.
80The product includes REST API, infrastructure automation, dashboards, log export, and SIEM integrations, which supports operational workflows for security teams, but the facts do not establish built-in response orchestration beyond those interfaces.
Performance and reliability
80The platform has route options with autoscaling, zone redundancy, and global edge delivery, which supports reliability planning; the score is moderated because the facts do not provide measured reliability results or service guarantees across all routes.
75The product offers physical, virtual, AWS, and Azure deployment options, plus load balancing, caching, and compression, which can support reliability planning, but capacity is bounded by appliance model or purchased CPU cores rather than an unlimited scaling model.
Deployment and integrations
84Azure WAF integrates with Azure-native deployment patterns, including Application Gateway, Kubernetes Gateway API resources, Azure Monitor, Event Hubs, Sentinel workflows, and Defender for Cloud, which makes it fit well for Azure-centric environments.
86The platform offers flexible customer-controlled physical, virtual, and public-cloud deployment paths, including AWS and Azure, but lacks standard integrations for direct SaaS-managed Kubernetes environments.
Support and total cost
62The product is usage-metered, can accumulate extra charges from transfer, logs, and connected services, and does not publish exact current numeric rates in the supplied facts, which makes cost planning materially less predictable.
62Commercial terms are quote-based with no verified public numeric starting price; Energize Updates is required and Advanced Bot Protection, Advanced Threat Protection, and Active DDoS Prevention add separate subscription cost.
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Comparison summary

Most material score differences

These are the stored dimension rationales returned with each score. They explain the buyer conditions behind the gap without speculating about hidden model reasoning.

Application and API coverage

5 pts
Azure Web Application Firewall · 81/100
Protects up to 40 websites per gateway instance and supports regional, Kubernetes, and edge routes, but lacks comprehensive api auto-discovery or schema governance.
Barracuda Web Application Firewall · 86/100
The product explicitly protects web applications, REST APIs, XML, JSON, and mobile backends, which gives it broad application and API coverage, although the facts do not add container-native enforcement as a core appliance edition.

Performance and reliability

5 pts
Azure Web Application Firewall · 80/100
The platform has route options with autoscaling, zone redundancy, and global edge delivery, which supports reliability planning; the score is moderated because the facts do not provide measured reliability results or service guarantees across all routes.
Barracuda Web Application Firewall · 75/100
The product offers physical, virtual, AWS, and Azure deployment options, plus load balancing, caching, and compression, which can support reliability planning, but capacity is bounded by appliance model or purchased CPU cores rather than an unlimited scaling model.

Protection efficacy

2 pts
Azure Web Application Firewall · 80/100
Delivers foundational defense via managed rulesets, anomaly scoring, and custom rules, but requires continuous operational review to maintain performance without false positives.
Barracuda Web Application Firewall · 82/100
The appliance blocks application-layer threats using dual positive and negative security models and prevents data loss via outbound masking, though advanced threat protection requires an optional add-on.

Research basis

Research basis

This page uses stored product facts, official evidence, and category scoring rationales. It is not an account-based hands-on test, and third-party user ratings are not folded into the category buying score.

Azure Web Application Firewall
Fact confidence: 98% · Fact checked: 2026-08-12
Barracuda Web Application Firewall
Fact confidence: 97% · Fact checked: 2026-08-12

More tools

Web Application Firewall (WAF) Software

Add more tools from the same subcategory to this comparison. The page keeps up to 6 tools.

#1

Fortinet FortiWeb

Fortinet FortiWeb is a self-managed web application and API firewall delivered as hardware, virtual, container, and public-cloud appliances, with machine-learning detection, API discovery and schema controls, bot mitigation, and Fortinet Security Fabric integrations.

81
#2

Barracuda Web Application Firewall

Barracuda Web Application Firewall is a customer-operated web application and API firewall available as a physical appliance or virtual appliance for on-premises, private-cloud, AWS, and Azure deployment.

79Compared
#3

Fastly Next-Gen WAF

Fastly Next-Gen WAF is a hybrid web application and API firewall that uses contextual request detection, shared threat intelligence, signals, rules, thresholds, and centralized visibility across edge, Fastly-hosted cloud, and customer-managed deployments.

79
#4

Azure Web Application Firewall

Azure Web Application Firewall provides managed and custom web-traffic protection through Application Gateway WAF v2, Application Gateway for Containers WAF, and Azure Front Door WAF deployment routes, with deployment-specific rules, scaling, monitoring, and pricing meters.

78Compared
#5

Google Cloud Armor

Google Cloud Armor is Google Cloud's edge security service for applying WAF, access-control, rate-limiting, and DDoS protections to supported load-balanced applications, APIs, CDN origins, and selected network endpoints.

77
#6

Cloudflare Web Application Firewall

Cloudflare Web Application Firewall is a cloud-delivered edge WAF that filters web and API requests with managed rulesets, custom rules, rate limiting, analytics, and plan-dependent security controls.

76
#7

F5 Distributed Cloud WAF

F5 Distributed Cloud WAF is a SaaS-delivered web application firewall that combines attack signatures, behavioral analysis, threat campaigns, signature-based bot controls, AI risk scoring, automatic signature tuning, policy controls, and centralized observability.

75
#8

Akamai App & API Protector

Akamai App & API Protector is a cloud-delivered web application and API protection service that combines an adaptive WAF, Layer 7 DDoS defense, API discovery, basic bot controls, security analytics, and DevOps automation at Akamai's edge.

74
#9

AWS WAF

AWS WAF is a cloud-native web application firewall for CloudFront and supported regional AWS resources, priced by web ACLs, rules or attached rule groups, and inspected requests, with separately charged intelligent threat-mitigation features.

73
#10

Imperva Web Application Firewall

Imperva Web Application Firewall is a WAF product family with SaaS Cloud WAF, locally managed WAF Gateway, and Kubernetes-based Elastic WAF deployment offers for protecting web applications and API traffic.

72

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