FAQ: Wildcard SSL Certificates

FAQ

FAQ: Wildcard SSL Certificates   What does a wildcard SSL certificate cover? If you purchased a wildcard SSL certificate for *.yourdomain.com.my. The SSL will secure all first-level subdomains of yourdomain.com.my. For example: sub.yourdomain.com.my api.yourdomain.com.my mail.yourdomain.com.my   However, it will not secure (second-level subdomains): www.sub.yourdomain.com.my domain.sub.yourdomain.com.my   Why doesn’t yourdomain.com.my work with my wildcard certificate? The

How to solve “Proxmox: VM is Locked (backup) (500)”

Introduction Proxmox is a powerful virtualization platform, but occasionally you may encounter issues where a VM becomes locked due to a backup process. This can prevent users from rebooting or making any changes to the VM, resulting in the error message “VM is locked (backup) (500)”. This guide will walk you through the steps to

How to export SSL certificate in cPanel

Introduction This article provides a step-by-step guide to exporting an SSL certificate from cPanel. Exporting a certificate is essential when migrating to a new server while retaining your SSL configuration, installing the certificate on multiple servers, or keeping a secure backup of your SSL files. This guide is intended for cPanel users and administrators looking

How to export SSL certificate in DirectAdmin (Enhanced Skin)

Introduction This article explains how to export an SSL certificate from DirectAdmin. Exporting a certificate is essential if you want to migrate to a new server while retaining your existing SSL configuration, use the same SSL certificate on multiple servers, or keep a backup of your certificate files. This guide is designed for administrators or

How to upgrade SmarterMail on Windows

Introduction This guide will walk you through the process of upgrading SmarterMail on a Windows server. This process is essential for administrators who want to leverage the latest features, security patches, and performance improvements offered by the SmarterMail platform. This article covers all necessary steps, including pre-upgrade checks, downloading the latest version, backing up your

How MTU (Maximum Transmitted Unit) affecting server connectivity

Introduction This article explains how the Maximum Transmission Unit (MTU) affects server connectivity and provides steps for diagnosing and resolving MTU-related issues. The MTU defines the largest packet size that can be transmitted over a network without fragmentation. If two devices on a network have mismatched MTU sizes, it can lead to problems like packet

Resolving dataskq high CPU usage in DirectAdmin

Introduction This article will guide you through the steps to troubleshoot and resolve issues when the dataskq process in DirectAdmin is causing 100% CPU usage. Dataskq handles tasks such as user tallying, processing logs, and updating statistics. If it is consuming too many system resources, it can severely impact server performance. This guide will help

How to enforce password strengthen policy in SmarterMail

Introduction This guide explains how to enforce a password strength policy in SmarterMail to enhance account security. A password strength policy helps ensure that users create strong, secure passwords that meet specific complexity requirements. By configuring these settings, administrators can protect user accounts and prevent unauthorized access. This article is intended for administrators managing SmarterMail.