Introduction ConfigServer Security & Firewall (CSF) is an advanced iptables-based firewall used to secure Linux servers. One of CSF’s powerful features is the ability to control traffic based on a visitor’s country using GeoIP lookups. This article explains how to configure country-based IP allowance using CSF. 📝 Note: This guide assumes CSF is already installed
Introduction This article guides you through how to change the server timezone in WHM. Setting the correct timezone ensures that server logs, scheduled tasks (cron jobs), and account activities reflect the accurate local time. Prerequisites Root access to WHM (Web Host Manager). Basic familiarity with WHM interface. Steps to Change Server Timezone in WHM
Introduction This article guides you through how to perform a graceful server reboot using WHM. A graceful reboot ensures that all services and processes are properly stopped before the server restarts, reducing the risk of data corruption. Prerequisites Root access to WHM (Web Host Manager). Basic familiarity with WHM interface. Steps to Perform a Graceful
Introduction This article guides you through how to enable outgoing mail scanning with Apache SpamAssassin in WHM. Enabling this feature allows the server to scan outgoing emails for spam and reject them if they exceed the configured spam score. This helps prevent compromised accounts from sending spam and protects your server’s reputation. Prerequisites Root access
Introduction Web Host Manager (WHM) allows server administrators to manage cPanel user accounts efficiently. This includes modifying account settings, changing passwords, adjusting resource limits, and suspending or terminating accounts. In this guide, we will go through the steps to manage cPanel user accounts in WHM. Prerequisites WHM Root or Reseller Access Basic familiarity with WHM
Introduction This article guides you through how to increase the maximum image upload size for signatures in Roundcube on a cPanel server via the command-line interface (CLI). By default, Roundcube limits the size of images that can be added to HTML signatures. Increasing this limit allows users to upload larger images for their email signatures
Introduction This article guides you through how to manually ban an IP address in Fail2Ban on a Linux server via the command-line interface (CLI). This is useful if you need to immediately block a suspicious IP without waiting for Fail2Ban’s automatic detection rules. We will use the fail2ban-client command, which is part of the Fail2Ban
Introduction The Quick Unblock feature in WHM’s ConfigServer Security & Firewall (CSF) allows administrators to remove an IP address from both temporary and permanent blocks. This is particularly useful when a legitimate user is accidentally blocked due to repeated failed login attempts or triggered firewall rules. Prerequisites Root or administrative access to WHM The IP
Introduction This guide explains how to set or change the default domain in your DirectAdmin control panel using the Evolution Skin.The default domain is the primary web address for your hosting account and is used by various features (e.g., file manager defaults, some web app installers, and service references). Updating it is helpful when rebranding
Introduction This article guides you through how to check successful and failed login attempts on a Linux server via the command-line interface (CLI). Monitoring login history is important for security auditing, detecting unauthorized access attempts, and troubleshooting login issues. We will use the last and lastb commands, along with system logs, to view both successful