How to Set Up ModSecurity WAF with Apache on RHEL 7 ModSecurity is the most widely deployed open-source Web Application Firewall (WAF), and it integrates natively with Apache as a dynamic module. When paired with the OWASP Core Rule Set (CRS), ModSecurity can detect and block a broad range of web attacks including SQL injection, […]
How to Install and Configure Caddy Web Server on RHEL 7 Caddy is a modern, open-source web server written in Go that sets itself apart from traditional servers like Apache and Nginx through its automatic HTTPS provisioning, minimal configuration syntax, and zero-dependency binary distribution. On RHEL 7, where the standard repositories do not include Caddy, […]
How to Configure Nginx Load Balancing on RHEL 7 As web applications grow in traffic, a single backend server eventually becomes a bottleneck. Nginx’s upstream module provides built-in load balancing that distributes incoming requests across multiple backend servers, improving throughput, redundancy, and fault tolerance. Unlike Nginx Plus, the open-source version included in RHEL 7’s EPEL […]
How to Enable HTTP/2 with Nginx on RHEL 7 HTTP/2 is the major revision of the HTTP network protocol that brings multiplexed streams, header compression, and server push to web traffic. Compared to HTTP/1.1, HTTP/2 dramatically reduces page load times on sites with many assets by eliminating head-of-line blocking and reducing the overhead of repeated […]
How to Configure Apache mod_proxy as a Reverse Proxy on RHEL 7 Apache’s mod_proxy module transforms your existing Apache web server into a fully capable reverse proxy without requiring any additional software. On RHEL 7, Apache is the default web server and is frequently already running for other purposes. Rather than installing a second web […]
How to Configure Nginx as a Reverse Proxy on RHEL 7 A reverse proxy sits in front of one or more backend application servers, forwarding incoming client requests and returning the backend responses. Nginx is exceptionally well-suited for this role due to its event-driven architecture and low memory footprint. On RHEL 7, a common pattern […]
How to Secure Apache with Let’s Encrypt and Certbot on RHEL 7 Running your Apache web server over plain HTTP exposes your users to traffic interception and degrades trust in modern browsers. Let’s Encrypt provides free, trusted TLS certificates that can be automated entirely on the command line. Certbot is the official Let’s Encrypt client […]
How to Secure Nginx with Let’s Encrypt and Certbot on RHEL 7 Let’s Encrypt is a free, automated, and open Certificate Authority (CA) that provides SSL/TLS certificates to enable HTTPS on your web server. Certbot is the official client tool for obtaining and renewing Let’s Encrypt certificates. On RHEL 7, Certbot is available through the […]
How to Configure Apache Virtual Hosts on RHEL 7 Apache virtual hosts allow a single Apache HTTP Server instance to serve multiple websites on the same server, distinguishing between sites based on the incoming domain name (name-based virtual hosting) or IP address. This is the standard approach for hosting multiple websites on a shared server. […]
How to Configure Nginx Server Blocks (Virtual Hosts) on RHEL 7 Nginx server blocks — the equivalent of Apache virtual hosts — allow a single Nginx instance to serve multiple websites on the same server by routing requests based on the domain name or IP address. This is one of the most common Nginx configurations […]
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