![]() The difference is that they work on layers 3 and 4 of the OSI model and take actions based on IP address and port number. ![]() You may have heard of other host-based firewalls like iptables, UFW, and Firewalld, etc. cPanel, the most widely used hosting control panel, includes ModSecurity as its WAF. It’s the world’s most widely deployed WAF, used by over a million websites. ![]() ModSecurity is originally created by Ivan Ristić in 2002, currently maintained by Trustwave SpiderLabs. It’s essential that you deploy a WAF on your web server, especially when you have old applications that don’t receive updates. If you are a WordPress admin, you probably hear news of hackers exploiting vulnerabilities in WordPress plugins and themes every once in a while. ![]() Web applications are inherently insecure. ModSecurity is the most well-known open-source web application firewall (WAF), providing comprehensive protection for your web applications (like WordPress, Nextcloud, Ghost etc) against a wide range of Layer 7 (HTTP) attacks, such as SQL injection, cross-site scripting, and local file inclusion. This tutorial is going to show you how to install and use ModSecurity with Apache on Debian/Ubuntu servers. ![]()
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