Top 10 Barracuda WAF-as-a-Service Alternatives

Azure Application Gateway is a web traffic load balancer that enables you to manage traffic to your web applications. Traditional load balancers operate at the transport layer (OSI layer 4 - TCP and UDP) and route traffic based on source IP address and port, to a destination IP address and port.

Azure Front Door provides external security filtering, global web application support, disaster recovery, load balancing, CDN services, and secure application access. It ensures efficient global traffic handling, network-level traffic inspection, SSL offloading, anomaly detection, stability, scalability, and ease of deployment. Improvements are needed in cloud vendor integration, user interface, and pricing.

AWS Web Application Firewall (WAF) is a firewall security system that monitors incoming and outgoing traffic for applications and websites based on your pre-defined web security rules. AWS WAF defends applications and websites from common Web attacks that could otherwise damage application performance and availability and compromise security.

F5 Advanced WAF is a web application security solution for financial and government sectors, e-commerce, and public-facing websites. It offers protection against various attacks, including botnets, web scraping, and foreign entities. The solution can be deployed on-premises or in the cloud and is often used with other security tools. Its most valuable features include DDoS and DNS attack protection, SSL uploading, anomaly detection, and the ability to input custom rules. 

Fortinet FortiWeb is a Web Application Firewall (WAF) that protects your web applications and APIs from attacks targeting known as well as unknown vulnerabilities. As the surface of your web applications evolves with each change of existing features and deployment of new features, your APIs are left exposed. Fortinet FortiWeb provides the board protection capabilities required to protect web applications without sacrificing performance or manageability.

Cloudflare Web Application Firewall's intuitive dashboard enables users to build powerful rules through easy clicks and also provides Terraform integration. Every request to the WAF is inspected against the rule engine and the threat intelligence curated from protecting over 27 Million websites. Suspicious requests can be blocked, challenged or logged as per the needs of the user while legitimate requests are routed to the destination, agnostic of whether it lives on-premise or in the cloud. Analytics and Cloudflare Logs enable visibility into actionable metrics for the user.

Azure Web Application Firewall (WAF) provides centralized protection of your web applications from common exploits and vulnerabilities. Web applications are increasingly targeted by malicious attacks that exploit commonly known vulnerabilities. SQL injection and cross-site scripting are among the most common attacks.