ModSecurity is cPanel’s built-in web application firewall — and it’s one of the most effective ways to block common attacks before they reach your site. Here’s how to enable it, pick the right rule set, and avoid the false-positive headaches that trip most people up.
Email bounces and delivery failures in WHM usually come down to a handful of repeatable causes — bad DNS records, a blocked IP, or a misconfigured Exim. This guide walks you through diagnosing and fixing them step by step.
A corrupted MySQL table can take down your entire site with little warning. This guide walks you through diagnosing and repairing table corruption using the command line, phpMyAdmin, and mysqlcheck — whichever fits your setup.
Running out of disk space on a Linux server is one of those problems that causes cascading failures fast — MySQL crashes, emails bounce, WordPress throws errors. Here’s how to find what’s eating your disk and deal with it.
Hotlinking drains your bandwidth budget silently — and most people don’t notice until they get an overage bill. Here’s how to block it in cPanel in under five minutes.
MySQL replication lets you automatically copy data from one server to another in near real-time — useful for read scaling, failover, and backups. This guide walks through setting up master-slave replication on Linux from scratch, including the gotchas that trip most people up the first time.
Picking the wrong OS for your VPS is an easy mistake that can cost you time and money to fix later. Here’s a practical breakdown of Linux VPS vs Windows VPS — what each one actually does well, where each falls short, and how to make the right call for your project.
WordPress multisite lets you run multiple sites from a single WordPress install, but your hosting environment needs to meet specific requirements first. This article covers what you actually need — server-side and WordPress-side — before you enable network mode.
WHM SSL certificate installation failures are frustratingly common, and the error messages don’t always point you to the actual problem. This article covers the most frequent causes — certificate chain issues, domain mismatches, key mismatches — and exactly how to fix them.
Getting hammered by a suspicious IP or bot traffic? The cPanel IP Blocker lets you cut off access to your site in under a minute — no server-level access required. Here’s exactly how to use it, and where it falls short.