ModSecurity - ModSecurity is an Open Source web application firewall developed by Trustwave's SpiderLabs.
Shadow Daemon - Shadow Daemon is a collection of tools to detect, record and prevent attacks on web applications.
AWS WAF - AWS WAF is a web application firewall that helps protect your web applications from common web exploits.
ironbee - Universal web application firewall engine
Cloudflare WAF - Whether you want automatic WAF protection from known vulnerabilities or have custom WAF rules, our real-time platform can do it.
Cloudbric - Cloudbric is a website security program that aims to block cyber attacks on your site. Security programs like Cloudbric are important for any large sites or any sites that handle money or secure information. Read more about Cloudbric.