Security

Server hardening strengthens security by enhancing various aspects, making your environment far more secure. Default configurations prioritize usability and functionality, not security.

A firewall is like a security guard for your server. It checks all network traffic against a list of rules to block unauthorized access.

Prevent legitimate messages from going to spam. Learn how to whitelist email addresses, domains, and IPs in Premium Business Email and webmail.

If you find that spam from certain senders, domains, or IP addresses is sneaking through the Premium Business Email spam filter, you can create a blacklist to block certain senders from being able to send you email.

Secure your CentOS 7 server with FirewallD. Learn how to easily start, stop, enable, disable, and check the status of this dynamic firewall via SSH.

Seeing a privacy error for cPanel, WHM, or Plesk? Your server is likely using a self-signed SSL certificate, which browsers don’t automatically trust.

Got a new phone? Learn how to transfer your Two-Factor Authentication (2FA) settings to a new device, even if you have lost access to your old phone.

Changing MySQL passwords to something new and secure is easy via the command line.

This article will show you how to change your FTP user passwords in Cloud Sites.

If you’ve added multiple users to your Linux server, you might eventually need to delete users, too. You can delete users in two ways, from cPanel and from the command line.

This article will show you how to change database user passwords in Cloud Sites.

Windows servers using Plesk can use firewall rules to manage help manage server traffic. You can also add firewall rules using Windows Firewall, but adding firewall rules in Plesk is a good first line of defense.