http://www.modsecurity.org/
ModSecurity is an open source, cross-platform web application firewall (WAF) module. Known as the "Swiss Army Knife" of WAFs, it enables web application defenders to gain visibility into HTTP(S) traffic and provides a power rules language and API to implement advanced protections.
ModSecurity is an open source, cross-platform web application firewall (WAF) module.
原文：https://www.cnblogs.com/rgqancy/p/8880941.html