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This article offers a detailed guide on installing and configuring IPTables on an Ubuntu VPS. IPTables is a powerful firewall tool that helps secure your server by controlling inbound and outbound traffic. Learn how to set up rules for traffic filtering, configure basic security policies, and apply custom rules to protect your VPS.

This article offers a comprehensive guide on installing and configuring ModSecurity, a powerful web application firewall (WAF), on an Ubuntu VPS. Learn how to secure your server by filtering and monitoring HTTP requests, set up ModSecurity with Nginx or Apache, and apply rules to protect against common web attacks.

This article provides a comprehensive guide on installing and configuring PHP-FPM (FastCGI Process Manager) on an Ubuntu VPS. Learn how to optimize PHP performance for your web applications by configuring PHP-FPM with Nginx or Apache, managing pools, and fine-tuning settings for efficient processing of PHP scripts.

This guide walks you through the installation and configuration of Varnish, a high-performance caching HTTP accelerator, on an Ubuntu VPS. Learn how to set up Varnish with web servers like Apache or Nginx, manage cache, and optimize your website for faster content delivery and improved server performance.

OpenVAS (Open Vulnerability Assessment System) is an open-source vulnerability scanning tool that helps identify security risks in your systems. This guide explains how to install OpenVAS on an Ubuntu VPS, configure it for security scanning, and provides an example of how to use it to detect vulnerabilities.

SELinux (Security-Enhanced Linux) is a mandatory access control (MAC) mechanism that enforces strict security policies on Linux systems. This guide covers the installation and configuration of SELinux on an Ubuntu VPS, along with a step-by-step example of how to implement security policies to protect applications from potential threats.