Sep 29, 2023 · open-appsec is an open-source security solution that provides ML-based threat protection for web apps & APIs. It is the only WAF that preemptively blocked Log4Shell, Text4Shell, Spring4Shell, and WAF bypass attacks. Unlike competitors that are signature-dependent, open-appsec blocks zero-day attacks preemptively without signatures.

Jul 24, 2024 · WAF stands for Web Application Firewall. Unlike traditional firewalls, WAF operates at the application layer and provides better protection for web systems based on HTTP/HTTPS protocols,...

ModSecurity is the standard open-source web application firewall (WAF) engine. Originally designed as a module for the Apache HTTP Server, it has evolved to provide HTTP request and response filtering capabilities across a number of different platforms including Apache HTTP Server, Microsoft IIS and Nginx.

Mar 18, 2025 · Sometimes, open-source firewall code is outdated or lacks documentation and community support. Other times, the firewall has compatibility issues. To help you overcome these challenges, I have researched 20+ popular solutions and shortlisted the top 11 open-source firewalls in this post.

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.

Jul 10, 2024 · Are you looking for an open source WAF to protect your web server or application? See the top ones that are still being maintained and used.

Apr 16, 2024 · Web application firewalls detect requests from common scanning and hacking tools like Nikto, SAINT, and Nessus based on header agent information. They can also block scanning tools by detecting a frequent number of security violations in a specific time period. WAFs therefore reduce the risk of attackers discovering vulnerabilities in a site.

GitHub - owasp-modsecurity/ModSecurity: ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. It has a robust event-based programming language which provides protection from a range of attacks against web applications and allows for HTTP traffic monitoring, logging and real-time analysis.

Apr 3, 2023 · Are you looking for an open-source web application firewall? ModSecurity, IronBee, NAXSI, WebKnight, and Shadow Daemon are the best open-source WAF. They are capable of protecting your web apps from malicious requests, bot attacks, and many other web threats.

Jul 29, 2022 · Through this article, the pros and cons of using open source WAF solutions, the best open source WAF solutions, must-have WAF solution features, and security concerns with open source WAF solutions will all be covered. Figure 1. What is a Web Application Firewall (WAF)? What are the Best Open Source WAFs?