ModSecurity WAF
In some areas of our operations we do utilized this tool. However, its implementation requires careful consideration, particularly when used with Content Management System (CMS) platforms such as WordPress and MediaWiki.
It's important to strike the right balance when configuring ModSecurity rules. Overly restrictive settings can lead to operational issues and potentially disrupt the normal functioning of these CMS platforms. a thoughtful approach to rule implementation is necessary to keep optimal security without compromising the performance and usability of the websites.
With that said....a WAF is a security tool that filters, monitors, and blocks HTTP traffic between a web application and the internet. They act as a protective barrier between web applications and the internet, filtering and monitoring HTTP traffic to defend against various cyber threats. Unlike traditional firewalls that operate at the network level, WAFs focus specifically on the application layer, making them effective at identifying and blocking sophisticated attacks targeting web applications.
ModSecurity is just one of many out there you can use.
Features
ModSecurity operates by intercepting HTTP requests before they reach the web application and inspecting them based on a set of predefined rules. These rules, often referred to as the Core Rule Set (CRS), are designed to identify and block malicious activities such as SQL injection attacks, cross-site scripting (XSS), and other common web application vulnerabilities. The CRS is regularly updated to address new and emerging threats, ensuring that ModSecurity remains effective against evolving attack vectors.