Security

Secure Shell (SSH) enables secure computer connections through public-key cryptography, facilitating safe file transfers and remote computer access.

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

Although the Premium Business Email has a constantly updated spam filter, legitimate messages may occasionally be mistaken for spam! If you find legitimate messages in your spam folder, you can whitelist (or safelist) the address, domain, or IP address so that email will be delivered to your inbox.

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.

FirewallD provides protection by using firewall zones with varying degrees of trust defined in your zone profiles. FirewallD allows for changes to be made without having to restart the entire firewall, though it is important to make sure that the daemon and the firewall in kernel are in sync.

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.

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.

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.

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.