Best Web Application Firewalls (WAF) - Page 2
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Compare the Top Web Application Firewalls (WAF) as of October 2025 - Page 2
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1
Azure Web Application Firewall
Microsoft
Azure Web Application Firewall is a cloud-native service that protects web apps from common web-hacking techniques such as SQL injection and security vulnerabilities such as cross-site scripting. Deploy the service in minutes to get complete visibility into your environment and block malicious attacks. Protect your web applications in just a few minutes with the latest managed and preconfigured rule sets. The Azure Web Application Firewall detection engine combined with updated rule sets increases security, reduces false positives, and improves performance. Use Azure Policy to help enforce organizational standards and assess compliance at scale for Web Application Firewall resources. Get an aggregated view to evaluate the overall state of your environment.Starting Price: $0.443 per gateway per hour -
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WEDOS Protection
WEDOS Group SA
WEDOS Protection is a modern security solution combining powerful DDoS mitigation, CDN acceleration, and intelligent traffic filtering — designed for high availability, stability, and optimal web performance. It protects serious online businesses against volumetric and sophisticated application-layer attacks, including botnets and L7 exploits. Our global infrastructure WEDOS Global uses edge servers distributed worldwide to analyze and control traffic in real time. The service provides DNS protection, an advanced Web Application Firewall (WAF), HTTPS proxy, smart caching, anti-bot filters, and multiple protection layers that together form a robust security and performance ecosystem. ✅ Effective L3–L7 DDoS mitigation ✅ Global content acceleration via proprietary network ✅ Easy to implement – no code changes needed ✅ High availability and low latency even during attacks An ideal choice for high-traffic websites, ecommerce projects, agencies, and hosting providers.Starting Price: $1 -
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A10 Thunder ADC
A10 Networks
High-performance advanced load balancing solution that enables your applications to be highly available, accelerated, and secure. Ensure efficient and reliable application delivery across multiple datacenters and cloud. Minimize latency and downtime, and enhance end-user experience. Increase application security with advanced SSL/TLS offload, single sign-on (SSO), DDoS protection and Web Application Firewall (WAF) capabilities. Complete full-proxy Layer 4 load balancer and Layer 7 load balancer with flexible aFleX® scripting and customizable server health checks. -
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Alert Logic
Fortra
Alert Logic is the only managed detection and response (MDR) provider that delivers comprehensive coverage for public clouds, SaaS, on-premises, and hybrid environments. Since no level of investment prevents or blocks 100% of attacks, you need to continuously identify and address breaches or gaps before they cause real damage. With limited expertise and a cloudcentric strategy, this level of security can seem out of reach. Our cloud-native technology and white-glove team of security experts protect your organization 24/7 and ensure you have the most effective response to resolve whatever threats may come. Founded in 2002, Alert Logic is headquartered in Houston, Texas and has business operations, team members, and channel partners located worldwide. Learn more at alertlogic.com. Alert Logic – unrivaled security for your cloud journey. -
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R&S Web Application Firewall
Rohde & Schwarz Cybersecurity
R&S®Web Application Firewall (WAF) in combination with a network firewall significantly increases the security level of your company. This keeps you up to date with the requirements of a modern and resilient IT infrastructure. With decades of development and practical experience, our web application firewall solution effectively protects the corporate network against widespread attacks such as zero-day exploits, SQL injections, cross site scripting or Distributed Denial of Service (DDoS) attacks at the application level. Our web application firewall ensures optimal protection of critical enterprise applications, including legacy applications and custom APIs, against complex attacks while considering data protection regulations. As the business world becomes increasingly web-based, web applications play a growing role in enterprises. Cybercriminals are increasingly taking advantage of vulnerabilities in these web applications. -
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Barracuda Web Application Firewall
Barracuda
Application security is increasingly complex. Barracuda makes it simple. Barracuda Web Application Firewall is a part of Barracuda Cloud Application Protection, an integrated platform that brings a comprehensive set of interoperable solutions and capabilities together to ensure complete application security. Barracuda Web Application Firewall protects applications, APIs, and mobile app backends against a variety of attacks including the OWASP Top 10, zero-day threats, data leakage, and application-layer denial of service (DoS) attacks. By combining signature-based policies and positive security with robust anomaly-detection capabilities, Barracuda Web Application Firewall can defeat today’s most sophisticated attacks targeting your web applications. Barracuda Active DDoS Prevention, an add-on service for the Barracuda Web Application Firewall, filters out volumetric DDoS attacks before they ever reach your network and harm your apps. -
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ThreatSign Website Anti Malware
Quttera
ThreatSign Web Protection: Your Digital Fortification Adaptive Intelligence: Dynamic algorithms learn from patterns, anticipate threats, and adapt. No static defenses—ThreatSign evolves with the threat landscape. Zero-Day Shielding: Proactively neutralize vulnerabilities before they strike. Sleep soundly knowing your assets are fortified. Advanced WAF: Impenetrable barrier filters malicious traffic without hindering user experience. Swift Incident Response: Minimal downtime, maximum peace of mind. Your business continuity is our priority. Customized Defense: Tailored to your unique needs, whether e-commerce or financial. Financial Sector Ready: Compliance, data protection, trust. 24/7 Vigilance: Real-time monitoring, expert support. Blocklist Resolution: We meticulously analyze the issue, identify the root cause, and work tirelessly to remove your site from blocklists like Google Safe Browsing and other authorities. Elevate your security. Defend your domain.Starting Price: $10 per month -
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WAPPLES SA
Penta Security Systems, Inc.
WAPPLES SA (software appliance) is a virtual web application firewall (WAF) that can be seamlessly integrated with cloud systems and other virtual environments. It is a great solution for enterprise customers such as data centers and hosting providers as well as SMBs such as managed security service providers and private cloud business infrastructures. WAPPLES SA has support for popular hypervisors including KVM, Citrix Hypervisor, and vSphere Hypervisor. WAPPLES SA (Software Appliance) generally provides all the capabilities of the hardware WAPPLES appliance with the added ability to scale as your business grows. Based on the same award-winning WAPPLES technology, WAPPLES SA can detect and block known, modified, and zero-day attacks with its Contents Classification and Evaluation Processing (COCEP™) engine. -
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Reblaze
Reblaze
Reblaze is the leading provider of cloud-native web application and API protection, providing a fully managed security platform. Reblaze’s all-in-one solution supports flexible deployment options (cloud, multi-cloud, hybrid, data center and service mesh), deployed in minutes and includes state-of-the-art Bot Management, API Security, next-gen WAF, DDoS protection, advanced rate limiting, session profiling, and more. Unprecedented real time traffic visibility as well as highly granular policies enables full control of your web traffic. Machine learning provides accurate, adaptive threat detection, while dedicated VPC deployment ensures maximum privacy, performance and protection while minimizing overhead costs. Reblaze customers include Fortune 500 companies and innovative organizations across the globe. -
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K2 Security Platform
K2 Cyber Security
Complete Protection for Applications and Container Workloads. Real-time Zero Day Attack Prevention. The K2 Security Platform is highly effective at detecting increasingly sophisticated attacks targeting applications that often go undetected by network and end point security solutions such as web application firewall (WAF) and endpoint detection and response (EDR). K2’s easy to deploy non-invasive agent installs in minutes. Using a deterministic technique of optimized control flow integrity (OCFI) the K2 Platform automatically creates a DNA map of each application at runtime which are used to determine the application is executing correctly. This results in extremely accurate attack detection that eliminates almost all false alerts. K2’s Platform can be deployed in cloud, on premise or in hybrid environments and protects web applications, container workloads and Kubernetes. OWASP Top 10 and other sophisticated attack type coverage. -
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Ivanti vADC
Ivanti
Delight your users with faster, more reliable applications, with no compromise on performance or security. More than just a software load balancer, Ivanti vADC drives more transactions, even at peak load conditions, ensuring continuous uptime and real-time security monitoring of application traffic. Enhance your customer experience and grow your business with more attractive and responsive services. Increase systems efficiency and boost the throughput of application servers and security by up to 50%. Reduce costs with flexible capacity-based licensing. Ivanti vADC is natively designed for virtualization and cloud portability. Ivanti vADC provides unprecedented scale and flexibility to enhance the performance and security of applications across the widest range of environments, from physical and virtual data centers to public and hybrid clouds. -
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Azure Front Door
Microsoft
Scalable and secure entry point for fast delivery of your global applications. Easily join your distributed microservice architectures into a single global application using HTTP load balancing and path-based routing rules. Automate turning up new regions and scale-out with API-driven global actions, and independent fault-tolerance to your back end microservices in Azure—or anywhere. Deliver and protect your global application close to your end users with a "battle-tested" service built on world-class Microsoft Global Network infrastructure. Always keep your traffic on the best path to your app, improve your service scale, reduce latency, and increase throughput for your global users with edge load balancing and application acceleration. Easily manage domain mapping and traffic to your microservice backends using one central, global dashboard. -
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DDoS-GUARD
DDoS-GUARD
DDoS-GUARD is one of the leading service providers on the global DDoS protection and content delivery markets since 2011. Unlike most of other companies, we provide services using our own network of scrubbing centers having sufficient channel and computing capacities to process high volumes of traffic. We do not resell other companies' services claiming them as our own. Today's digital world shows us ever-increasing number of cyber threats. Abreast of the latest trends, the number of DDoS attack types is increasing too. Besides, the attacks themselves become more volumetric, complex and varied. Realizing that, we are constantly modifying traffic scrubbing algorithms, increasing channel capacity, add computational resources to traffic processing centers. It allows us not only provide protection against all known DDoS attack types to our customers, but also detect and block any previously unknown anomalous network activity.Starting Price: $30/month -
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Bekchy
Bekchy
Provides protection of websites, works in front of web application servers, creates firewalls and blocks incoming attacks. Protect Your Website. 7/24 provides protection against SQL Injection, XSS, File Upload, JS Injection, Tamper Data and many other attack methods. Instant Reporting and Easy Management. You can access BEKCHY Panel smoothly from your computer, tablet and smartphone and you can check your website’s current situation. Protects all `input` fields (login, password forgotten, coupon code etc.) you want to protect through Smart Brute Force. Protect against single-use emails, blacklisted IPs, fake redirects, and all fraud methods. Through 67 different antivirus software(readymade codes, JavaScripts, etc.) Bekchy detects bad codes injected into your website. Protection againist any kind of penetration intended to deceive your website’s visitors and search engine bots. You can access BEKCHY Panel smoothly from your computer, tablet and smartphone.Starting Price: $9.99 per month -
15
Qualys WAF
Qualys
Qualys Web Application Firewall (WAF) is a virtual appliance-based service that reduces the operational cost and complexity of application security. Leveraging a unified platform, it continuously detects attacks using inhouse inspection logics and rulesets, and virtually patches web application vulnerabilities if needed. Its simple, scalable and adaptive approach lets you quickly block web application attacks, prevent disclosure of sensitive information, and control when and where your applications are accessed. Qualys WAF can be used alone, or paired with Qualys Web Application Scanning (WAS). Together, they make identifying and mitigating web application risks seamless – whether you have a dozen apps or thousands. You scan your web applications using Qualys WAS, deploy one-click virtual patches for detected vulnerabilities in WAF and manage it all from a centralized cloud-based portal. Qualys WAF can be deployed in minutes, supports SSL/TLS. -
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Sangfor Athena NGFW
Sangfor Technologies
Sangfor Athena NGFW is a next-generation firewall that provides comprehensive protection for network perimeters using AI-powered threat detection. It blocks over 99% of external threats in real time through cloud-delivered AI and integrates network and web application security into a single appliance. The firewall includes a built-in SOC Lite module for rapid threat assessment and incident response. Sangfor’s solution connects with a holistic security ecosystem, including endpoint protection, secure web gateways, and extended detection and response tools. Recognized for its proven security effectiveness, Athena NGFW holds top ratings in independent cybersecurity tests. It is trusted by enterprises across industries to safeguard valuable data and maintain stable network performance. -
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Imperva WAF
Imperva
Web application attacks prevent important transactions and steal sensitive data. Imperva Web Application Firewall (WAF) analyzes traffic to your applications to stop these attacks and ensure uninterrupted business operations. A noisy WAF forces you to choose between blocking legitimate traffic or manually containing attacks your WAF let through. Imperva Research Labs ensure accuracy to WAF customers as the threat landscape changes. Automatic policy creation and fast rule propagation empower your security teams to use third-party code without risk while working at the pace of DevOps. Imperva WAF is a key component of a comprehensive Web Application and API Protection (WAAP) stack that secures from edge to database, so the traffic you receive is only the traffic you want. We provide the best website protection in the industry – PCI-compliant, automated security that integrates analytics to go beyond OWASP Top 10 coverage, and reduces the risks created by third-party code. -
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Huawei WAF
Huawei Cloud
Web Application Firewall (WAF) keeps your web applications safe and secure. Powered by Huawei's deep machine learning technology, WAF intelligently identifies malicious traffic and prevents attacks, strengthening defense in depth for your network. You can configure a wide range of rules to detect and defend against threats, ensuring the safety of your web applications. You can anonymize sensitive data and configure the minimum TLS version and cipher suite to safeguard your web applications. You can count on WAF to defend against the latest zero-day vulnerabilities. Professional security teams provide you with 24/7 monitoring. WAF fully complies with the PCI DSS requirements. With WAF as an integral part of your defense strategy, you can apply for and obtain PCI DSS certification. You can configure WAF to detect malicious code injected into web servers and ensure secure visits to web pages.Starting Price: $615 per month -
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Greypanel
Greypanel
Greypanel CDN is an independently-researched and developed dispatching system that intelligently distributes globally-located acceleration nodes to users based on their access location. By assigning the nearest resources to users, GreypanelCDN improves web services capacity, network access quality, download speeds and reduces response time, providing in smoother user experience. Targeted at portals and e-commerce sites, GreypanelCDN caches static content such as web pages, HTML, CSS, JS, images and files onto the nodes to accelerate the distribution process. Visitors will be able to access the content from the nearest node and load complex content in seconds, significantly improving web access speeds and reducing site response time, leading to better user experience. Enjoy a fast, stable and secure dynamic request acceleration with our extensive network of acceleration nodes, a large reserve of direct connections and an intelligent scheduling system. -
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open-appsec
open-appsec
automatic web application & API security using machine learning open-appsec is an open-source initiative that builds on machine learning to provide pre-emptive web app & API threat protection against OWASP-Top-10 and zero-day attacks. It can be deployed as add-on to Kubernetes Ingress, NGINX, Envoy and API Gateways. open-oppsec simplifies maintenance as there is no threat signature upkeep and exception handling, like common in many WAF solutions. -
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Fastly Next-Gen WAF
Fastly
The Fastly Next-Gen WAF provides advanced protection for your applications, APIs, and microservices, wherever they live, from a single unified solution. Reporting and alerting feedback loops provide Layer 7 visibility across your entire app and API footprint. Integrations with your DevOps and security toolchains encourage the sharing and correlation of data and help simplify automation, both decreasing security risks and speeding up CI/CD. Our Next-Gen WAF uses SmartParse, a highly accurate detection method, to evaluate the context of each request and how it would execute, to determine if there are malicious or anomalous payloads in requests. SmartParse enables near-zero tuning and the ability to start detecting threats immediately. Block account takeover (ATO) attacks by inspecting web requests and correlating anomalous activity with malicious intent. -
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Tencent EdgeOne
Tencent
Tencent EdgeOne is a next-generation Edge Services provider that delivers unparalleled speed, dependable protection, and the extremely flexible programmable platform for your global services, regardless of scale. Tencent EdgeOne provides an acceleration and security solution based on Tencent edge nodes to safeguard diverse industries such as e-commerce, retail, finance service, content and news, and gaming and improve their user experience.Starting Price: $1.40 per month -
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A containerized environment for continuous web app protection, BIG-IP Next WAF ensures superior security with simplified management. Advanced capabilities make it easy to identify and mitigate threats efficiently. Save time and clicks when completing configuration workflows, reduce the initial tuning phase, and quickly be ready for blocking mode. Simplify detection and response to threats with actionable incident dashboards across multiple policies. Maintain consistent app security policies across environments, in the data center, the edge, or the public cloud. Purchase additional licenses via a simple platform mechanism to increase security coverage. Defend against common attack vectors, including known vulnerabilities (CVEs). Automatically mitigate active attack campaigns with intelligent updates by expert threat researchers at F5. Deliver key contextual awareness by identifying and blocking the sources of known bad IP addresses.
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WebOrion Protector
cloudsineAI
WebOrion Protector is an enterprise-grade web application firewall (WAF) designed to deliver unmatched protection using the OWASP Core Rule Set (CRS). Built on the advice of the global OWASP community's leading experts in web application security, it leverages an intelligent anomaly-scoring, heuristics, and signature-based engine to defend against threats and exploits covered by the OWASP top 10 web application security risks. Rapidly respond to zero-day threats with seamless virtual patching and a powerful user interface built to streamline monitoring, analytics, and fine-tuning, with both entry-level and advanced users in mind. WebOrion Protector also comes equipped with specialized rulesets to protect login pages, WordPress sites, and more. It inspects all incoming and outgoing web traffic for your website with minimal performance impact. -
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Atomic ModSecurity Rules
Atomicorp
Atomic ModSecurity Rules is a comprehensive WAF rule set with hundreds of ModSecurity WAF rules to protect applications against web attacks and is fully backed by expert support. WAF Rules to Strengthen ModSecurity Against: - SQL injection - Cross-site scripting - Cross-site request forgery - Encoding abuse - Protocol abuse - Unicode and UTF-8 attacks - HTTP smuggling - Path recursion - Web spam - Shells - And much more * Atomicorp developed the first ModSecurity rule set and maintains the largest number of active WAF rules that support server types from Tomcat and Nginx to IIS, LightSpeed and Apache. * Atomic ModSecurity Rules are the most comprehensive WAF rule set in the industry, have the highest level of quality and are fully backed by expert support. ****** More info: https://www.atomicorp.com/atomic-modsecurity-rules/ ******* -
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NetScaler
Cloud Software Group
Application delivery at scale can be complex. Make it simpler with NetScaler. Firmly on-prem. All-in on cloud. Good with hybrid. Whichever you choose, NetScaler works the same across them all. NetScaler is built with a single code base using a software-based architecture, so no matter which ADC form factor you choose — hardware, virtual machine, bare metal, or container — the behavior will be the same. Whether you are delivering applications to hundreds of millions of consumers, hundreds of thousands of employees, or both, NetScaler helps you do it reliably and securely. NetScaler is the application delivery and security platform of choice for the world’s largest companies. Thousands of organizations worldwide — and more than 90 percent of the Fortune 500 — rely on NetScaler for high-performance application delivery, comprehensive application and API security, and end-to-end observability. -
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SonicWall Next Generation Firewall
SonicWall
Advanced threat protection, from small businesses to global enterprises and cloud environments. Discover network security made boundless. Whether you’re a small business or a large enterprise, whether in your home or in the cloud, SonicWall next-generation firewalls (NGFW) provide the security, control and visibility you need to maintain an effective cybersecurity posture. SonicWall’s award-winning hardware and advanced technology are built into each firewall to give you the edge on evolving threats. With solutions designed for networks of all sizes, SonicWall firewalls are designed to meet your specific security and usability needs, all at a cost that will protect your budget while securing your network. The SonicWall NSv Series virtual firewall offers you all the security advantages of a physical firewall with the operational and economic benefits of virtualization, including system scalability and agility, speed of system provisioning, simple management and cost reduction. -
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Smoothwall Firewall
Smoothwall
Smoothwall Firewall features anti-malware protection, HTTPS inspection, anonymous proxy detection & blocking, and intrusion detection & prevention, to provide you with a complete all-in-one protection package. Combines with Smoothwall Filter for a complete all in one protection package. Can be purchased independently or combined to offer a unified threat management solution. Combines Layer 7 application control with perimeter firewall and stateful packet inspection to provide Next-Generation firewall functionality. Smoothwall is an eligible firewall service provider for Category 2 E-Rate funding. Combines with Smoothwall Filter - the only fully content-aware web filter in US education. You can choose which Filter deployment method works for you. Our US-based customer support team are education specialists and available to help whenever you need them. -
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AWS WAF
Amazon
AWS WAF is a web application firewall that helps protect your web applications or APIs against common web exploits that may affect availability, compromise security, or consume excessive resources. AWS WAF gives you control over how traffic reaches your applications by enabling you to create security rules that block common attack patterns, such as SQL injection or cross-site scripting, and rules that filter out specific traffic patterns you define. You can get started quickly using Managed Rules for AWS WAF, a pre-configured set of rules managed by AWS or AWS Marketplace Sellers. The Managed Rules for WAF address issues like the OWASP Top 10 security risks. These rules are regularly updated as new issues emerge. AWS WAF includes a full-featured API that you can use to automate the creation, deployment, and maintenance of security rules. With AWS WAF, you pay only for what you use. The pricing is based on how many rules you deploy and how many web requests your application receives. -
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ArvanCloud
ArvanCloud
ArvanCloud CDN comprises tens of PoP sites in important locations all around the world to deliver online content to the users, from the closest geographical point at the highest speed and quality. With ArvanCloud Cloud Computing infrastructure, you are just a few clicks away from creating unlimited cloud servers on demand. You can create several cloud storage disks for each server and easily manage your cloud data center communications using Firewall and private and public networks. ArvanCloud allows you to save any kind of data on Cloud Storage in a completely encrypted format. You can have stable access to a reliable storage system from all around the world, without worrying about data loss. With ArvanCloud container-based Platform as a Service, which conforms to Kubernetes standards, you are just a few commands in CLI away from an operational product.
