open-appsec vs Azure Web Application Firewall

open-appsec8.9Visit Azure Web Application Firewall8.7Visit

Higher score open-appsec #5 in Web Application Firewall Software 8.9/10 Open source ✓ 3 of 4 features Visit open-appsec

vs

Azure Web Application Firewall #7 in Web Application Firewall Software 8.7/10 Paid ✓ 4 of 4 features Visit site

• open-appsec fits best

  Cloud-native teams wanting open-source ML protection

• Azure Web Application Firewall fits best

  Azure users needing low-cost managed WAF controls

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Side by side

Feature	open-appsec 8.9/10 Visit ↗	Azure Web Application Firewall 8.7/10 Visit ↗
At a glance
Editor score	8.9	8.7
Ranking	#5 in Web Application Firewall Software	#7 in Web Application Firewall Software
Best for	Cloud-native teams wanting open-source ML protection	Azure users needing low-cost managed WAF controls
Pricing model	Free	Paid
Starting price	Open source	$5/mo
Free plan	Not checked yet	—
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud
Platforms	Web, Linux	Web
Support	Docs	Docs, Community, Tickets
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features open-appsec 3/4 · Azure Web Application Firewall 4/4
Managed rule sets	Not checked yet	✓ (best)
API protection	✓	✓
Bot management	✓	✓
Rate limiting	✓	✓
Specs
Deployment model	Hybrid	Edge
Log retention	Not checked yet	Not checked yet
Our review
Pros	Machine-learning protection for OWASP Top 10 and zero-day threats API discovery, schema validation, anti-bot, and rate limiting Integrates with Kubernetes, proxies, gateways, and service meshes	Azure-managed rules cover common web attacks Custom rules, bot protection, rate limiting, and access controls Azure Monitor provides monitoring and logging
Cons	Requires proxy, gateway, ingress, or service-mesh integration Advanced capabilities may require more security configuration work Central SaaS management is optional rather than the only operating model	No free plan Pricing includes fixed and request-based charges Verified integrations are narrower than leading cloud alternatives
Our verdict	open-appsec is an open-source web application firewall and API security solution from Check Point Software Technologies Ltd. It is designed for teams protecting web applications and APIs across Kubernetes, Docker, or Linux environments.… Read the review →	Azure Web Application Firewall is a managed web application firewall for organizations running applications on Azure. It protects websites and APIs from common web exploits, including SQL injection and cross-site scripting. The service… Read the review →

Strengths and trade-offs

• open-appsec — where it wins

  • Machine-learning protection for OWASP Top 10 and zero-day threats
  • API discovery, schema validation, anti-bot, and rate limiting
  • Integrates with Kubernetes, proxies, gateways, and service meshes

  Where it doesn't

  • Requires proxy, gateway, ingress, or service-mesh integration
  • Advanced capabilities may require more security configuration work
  • Central SaaS management is optional rather than the only operating model

• Azure Web Application Firewall — where it wins

  • Azure-managed rules cover common web attacks
  • Custom rules, bot protection, rate limiting, and access controls
  • Azure Monitor provides monitoring and logging

  Where it doesn't

  • No free plan
  • Pricing includes fixed and request-based charges
  • Verified integrations are narrower than leading cloud alternatives

• open-appsec8.9/10 · Open source

  A flexible open-source WAF for cloud-native web applications and APIs.

  Visit open-appsecFull verdict →
• Azure Web Application Firewall8.7/10 · Paid

  A low-cost managed WAF for Azure applications, APIs, and edge traffic.

  Visit siteFull verdict →