firewall

This guide details configuring Apache to support IPv6, starting with verifying Apache version compatibility and involves steps such as adjusting the server to listen on IPv6 addresses, configuring virtual hosts, updating firewalls, and testing the new settings to ensure Apache handles IPv6 requests efficiently and securely.

Learn how to change Apache's default port from 80 to 8080 on Linux, enhancing flexibility for handling multiple websites, firewall configurations, and restrictive network policies. This guide details Apache installation, configuration adjustments, firewall rule modifications, and testing the new setup to ensure effective management of network traffic and security.

Learn to install Apache on CentOS/RHEL using `yum` (CentOS 7) or `dnf` (CentOS 8, RHEL 8+). The guide includes steps for system updates, installation, service initiation, and firewall configuration, ensuring a robust setup for web hosting.

The article guides on using IPTables for rate limiting in Linux, outlining its role as a firewall tool to control network traffic and enhance security. It details the use of the `limit` module to manage connection rates, such as limiting SSH to three per minute, and includes script examples for setup and configuration. This ensures effective traffic management and protects against service abuse and DDoS attacks.

This guide compares key Linux firewall tools—iptables, ufw, and firewalld—highlighting their features and suitability for different network security needs. Iptables offers detailed control for complex networks, ufw simplifies iptables’ management for beginners, and firewalld provides dynamic, zone-based control ideal for changing network conditions.

Firewalld is a dynamic and flexible firewall management tool for Linux, offering powerful, zone-based security without requiring reboots for updates. This article explains how to install and configure firewalld across various distributions using apt, dnf, and zypper and highlights its key features like dynamic updates and service-specific rules for enhanced network management. Ideal for Linux users seeking advanced security solutions.

Discover the essentials of UFW, an accessible firewall manager for Linux systems that simplifies security setup through a user-friendly command-line interface. Ideal for users of all skill levels and used widely on distributions like Ubuntu, Debian, and Fedora, this guide covers the installation and configuration steps to safeguard your systems efficiently. From basic rule implementation to advanced settings, learn to manage and operate UFW with ease.

Discover the benefits of `nftables`, the advanced successor to `iptables` for Linux network management, offering improved performance and a unified framework for IPv4 and IPv6. This article guides you on transitioning from `iptables`, installing `nftables` using popular package managers, and provides practical examples on configuring and managing your network security efficiently.

This blog serves as a comprehensive guide to iptables, a key Linux firewall utility. It covers installation across different Linux distributions, provides essential commands for configuring firewall rules, and shares best practices for rule management to ensure effective network security. The article aims to enhance users' skills in using iptables for robust network protection.

This guide on LinuxBash.sh details the setup and management of UFW, an intuitive tool for configuring iptables on Linux. Originally designed for Ubuntu, UFW is compatible with multiple distributions, using managers like apt, dnf, and zypper. The article offers step-by-step instructions on installing UFW, setting default policies, managing ports and services, utilizing application profiles, and logging, providing a straightforward approach to securing Linux systems.