A security administrator is hardening a Linux server that should only allow encrypted web traffic over HTTPS. Which of the following firewall-cmd
commands should the administrator execute to block unencrypted HTTP traffic on the standard port?
sudo firewall-cmd --permanent --add-port=80/tcp
sudo firewall-cmd --permanent --list-services
sudo firewall-cmd --permanent --remove-service=http
sudo firewall-cmd --permanent --add-service=http