The best Firewall alternative to ModSecurity is Cloudflare, which is free. If that doesn't suit you, our users have ranked more than 10 alternatives to ModSecurity and three of them are Firewalls so hopefully you can find a suitable replacement. Other interesting Firewall alternatives to ModSecurity are SafeLine and CacheGuard Gateway.
Delivers SaaS transparent proxy to shield websites, integrating dynamic DNS, global CDN, and web application firewall; blocks DDoS and targeted attacks, optimizes traffic for speed, reduces server load, analyzes threats, supports flexible deployment, and caching features.
SafeLine is a docker-based, easy to use, self-hosted free web application firewall (WAF) that protects web apps by filtering and monitoring HTTP traffic between a web application and the Internet.
CacheGuard Gateway is a free and open-source Unified Threat Management (UTM) solution, a Web Application Firewall (WAF), and a Quality of Service (QoS) platform designed to optimize WAN traffic. To obtain a CacheGuard Gateway appliance, download CacheGuard-OS and install it on...
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