Best Web Application Firewalls (WAF) for Windows of 2025

CacheGuard product line is based on a core product called CacheGuard-OS. Once installed on a bare metal or virtual machine, CacheGuard-OS transforms that machine into a powerful network appliance . The resulted appliance can then be implemented as different types of Gateways to Secure & Optimize your network. See below a brief description of all CacheGuard appliances. - Web Gateway: gain control over the Web traffic in your organization & filter unwanted Web traffic in your organization. - UTM (Unified Threat Management) : secure your networks against all kind of threats coming from the internet with a Firewall, an Antivirus at the Gateway, a VPN server and a Filtering proxy. - WAF (Web Application Firewall): block malicious requests on your critical Web applications and protect your business. The WAF integrates OWASP rules with the possibility to design your own custom rules. In addition, an IP reputation based filtering allows you to block IPs listed in real time blacklists. - WAN Optimizer : prioritize your critical network traffic, save your precious bandwidth and get High Availability for your internet access through multiple ISP.

Fortinet, a global leader of cybersecurity solutions, is known for its integrated and comprehensive approach to safeguarding digital devices, networks, and applications. Fortinet was founded in 2000 and offers a variety of products and solutions, including firewalls and endpoint protection systems, intrusion prevention and secure access. Fortinet Security Fabric is at the core of the company's offerings. It is a unified platform which seamlessly integrates security tools in order to deliver visibility, automate, and real-time intelligence about threats across the network. Fortinet is trusted by businesses, governments and service providers around the world. It emphasizes innovation, performance and scalability to ensure robust defense against evolving cyber-threats while supporting digital transformation.

Our engineers are specialists at working in sectors where zero downtime is critical. Since 2003, we’ve been building a reputation for delivering ultra-reliable, easy to deploy and effortlessly scalable applications that are trusted by solution partners, system integrators and end-users alike. Our focus on forming long-lasting partnerships with industry-leading solution providers in healthcare, storage and print, requires an in-depth understanding of both our partners and their clients’ technical and business practices. The result: unprecedented levels of uptime.

We offer the most user-friendly technology without sacrificing performance or features. We back it up with exceptional support and care delivered under a fair, cost-effective pricing model Our technology is used by small startups with big ideas, small budgets, and global enterprises. We love them all! Easy to use Load balancing, WAF, GSLB and SSO/Pre-Authentication. It is also the only true ADP Application Delivery Platform that allows for the enhancement of functionality and longevity using the app store or apps you create in-house.

MyDiamo was developed by Penta Security Systems (APAC leader in encryption technology) and is available to all for noncommercial use. Enterprises and organizations who require additional features can obtain a commercial license. Index searching is possible with column-level encryption or partial encryption - Minimal system performance changes guaranteed - Compatible with open-source DBMS such as MySQL, MariaDB and Percona - GDPR/PCI DSS/HIPAA compliant - Code modification is not required, it works parallel at the engine level

WAPPLES SA (software appliances) is a virtual web app firewall (WAF), that can be seamlessly integrated into cloud systems and other virtual environments. It is ideal for enterprises such as hosting providers and data centers, as well as SMBs such managed security service providers or private cloud business infrastructures. WAPPLES SA supports popular hypervisors such as XenServer and KVM.

Protect your web applications from common web vulnerabilities like SQL injection and cross-site Scripting. You can monitor your web applications with custom rules and rule groups that meet your needs and eliminate false positives. To build a highly available and scalable web front end in Azure, you can get application-level load-balancing and routing. Autoscaling allows for flexibility by automatically scaling Application Gateway instances according to your web application traffic load. Application Gateway integrates with many Azure services. Azure Traffic Manager supports multiple-region redirection and automatic failover. It also provides zero-downtime maintenance. Azure Virtual Machines, virtual machines scale sets, and the Web Apps feature from Azure App Service can be used in your back-end pool. Azure Security Center and Azure Monitor provide central monitoring and alerting as well as a dashboard for application health. Key Vault provides central management and automatic renewal SSL certificates.

Secure and scalable entry point for rapid delivery of global applications. You can easily join your distributed microservices architectures into one global application by using HTTP load balancing, path-based routing rules, and path-based routing. Automate scaling out and turning up new regions with API-driven global actions. You can also have independent fault tolerance to your back end microservices anywhere in Azure. A "battle-tested service" built on the Microsoft Global Network infrastructure will deliver and protect your global app to your users. Edge load balancing and application acceleration will ensure that your traffic is always on the best path to your app. This will help you increase your service scale, reduce latency and increase throughput for global users. One global dashboard allows you to manage domain mapping and traffic to microservice backends.

It can be difficult to deliver applications at scale. NetScaler simplifies the process. On-premise is the way to go. Cloud is the future. Hybrid is good. NetScaler will work the same on any platform. NetScaler uses a software-based architectural design, which means that it will behave the same regardless of the ADC form factor. NetScaler can help you deliver applications to hundreds or millions of users, whether they are consumers, employees, or both. NetScaler has become the platform of choice by the world's biggest companies for application delivery and security. NetScaler is used by thousands of organizations around the world, including more than 90 percent Fortune 500 companies, for high-performance app delivery, comprehensive API and application security, and end to end observability.