Website Security
How to Fix Mixed Content in WordPress After Enabling SSL
Fix mixed content in WordPress after enabling SSL: find insecure addresses, run a safe WP-CLI search and replace, and clear the cache.
Website Security
Hardening servers and WordPress sites, spotting suspicious activity, and recovering after an incident.
10 articles
Website Security
How to Keep Your cPanel Account and Sites Secure
Lock down a cPanel account: turn on two-factor login, keep the computer you log in from clean, and remove the email, FTP, WordPress, plugin, theme and database access you no longer need.
Website Security
How to Set Up a UFW Firewall on Ubuntu
Set up UFW on Ubuntu without locking yourself out: allow SSH first, deny the rest, open only what you need, and cover Docker and IPv6.
Website Security
How to Set Up SSH Keys on Windows
Create an SSH key in PowerShell, copy it to your Linux server without ssh-copy-id, save your servers in a config file and switch off password logins.
Website Security
How to Set Up Free SSL on Nginx With Certbot
Install a free Let's Encrypt certificate on Nginx with Certbot, confirm automatic renewal with a dry run, and fix the errors that stop it working.
Website Security
What Does a Wildcard SSL Certificate Cover?
A wildcard for *.example.com covers one level of subdomains. Why the root domain usually works, why a.b.example.com never does, and how to check.
Website Security
How to Audit a New Ubuntu VPS for Security
Seven read-only commands that show whether a new Ubuntu VPS is secure: SSH logins, firewall, open ports, Fail2ban, updates, accounts and keys.
Website Security
How to Secure WordPress on cPanel Hosting: 8 Essential Steps
Secure your WordPress site on cPanel hosting in eight steps: updates, strong logins, backups, SSL, login limits, file permissions and a clean-up.
Website Security
How to Host Joomla, Drupal, Laravel and Custom PHP Apps on One cPanel Account Safely
Why the cPanel account is the real security boundary, how to lay out several PHP apps in one account, per-app hardening for Joomla, Drupal and Laravel, and when to split them up.