sudo ufw deny from PRINTER_IP to any
sudo ufw reload
sudo ufw deny from PRINTER_IP to any
sudo ufw reload
sudo firewall-cmd --permanent \
--add-rich-rule='rule family="ipv4" source address="PRINTER_IP/32" reject'
sudo firewall-cmd --reload
sudo firewall-cmd --permanent \
--add-rich-rule='rule family="ipv4" source address="PRINTER_IP/32" reject'
sudo firewall-cmd --reload